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https://github.com/UberGames/lilium-voyager.git
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1510 lines
38 KiB
C
1510 lines
38 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "l_cmd.h"
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#include "l_threads.h"
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#include "l_log.h"
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#include "l_mem.h"
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#define MAX_THREADS 64
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//#define THREAD_DEBUG
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int dispatch;
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int workcount;
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int oldf;
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qboolean pacifier;
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qboolean threaded;
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void (*workfunction) (int);
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int GetThreadWork(void)
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{
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int r;
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int f;
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ThreadLock();
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if (dispatch == workcount)
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{
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ThreadUnlock ();
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return -1;
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}
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f = 10*dispatch / workcount;
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if (f != oldf)
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{
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oldf = f;
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if (pacifier)
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printf ("%i...", f);
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} //end if
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r = dispatch;
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dispatch++;
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ThreadUnlock ();
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return r;
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} //end of the function GetThreadWork
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadWorkerFunction(int threadnum)
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{
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int work;
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while(1)
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{
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work = GetThreadWork ();
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if (work == -1)
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break;
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//printf ("thread %i, work %i\n", threadnum, work);
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workfunction(work);
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} //end while
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} //end of the function ThreadWorkerFunction
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void RunThreadsOnIndividual (int workcnt, qboolean showpacifier, void(*func)(int))
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{
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if (numthreads == -1)
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ThreadSetDefault ();
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workfunction = func;
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RunThreadsOn (workcnt, showpacifier, ThreadWorkerFunction);
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} //end of the function RunThreadsOnIndividual
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//===================================================================
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//
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// WIN32
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//
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//===================================================================
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#if defined(WIN32) || defined(_WIN32)
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#define USED
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#include <windows.h>
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typedef struct thread_s
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{
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HANDLE handle;
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int threadid;
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int id;
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struct thread_s *next;
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} thread_t;
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thread_t *firstthread;
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thread_t *lastthread;
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int currentnumthreads;
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int currentthreadid;
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int numthreads = 1;
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CRITICAL_SECTION crit;
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HANDLE semaphore;
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static int enter;
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static int numwaitingthreads = 0;
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadSetDefault(void)
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{
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SYSTEM_INFO info;
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if (numthreads == -1) // not set manually
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{
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GetSystemInfo (&info);
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numthreads = info.dwNumberOfProcessors;
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if (numthreads < 1 || numthreads > 32)
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numthreads = 1;
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} //end if
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qprintf ("%i threads\n", numthreads);
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} //end of the function ThreadSetDefault
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadLock(void)
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{
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if (!threaded)
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{
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Error("ThreadLock: !threaded");
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return;
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} //end if
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EnterCriticalSection(&crit);
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if (enter)
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Error("Recursive ThreadLock\n");
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enter = 1;
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} //end of the function ThreadLock
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadUnlock (void)
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{
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if (!threaded)
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{
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Error("ThreadUnlock: !threaded");
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return;
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} //end if
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if (!enter)
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Error("ThreadUnlock without lock\n");
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enter = 0;
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LeaveCriticalSection(&crit);
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} //end of the function ThreadUnlock
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadSetupLock(void)
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{
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Log_Print("Win32 multi-threading\n");
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InitializeCriticalSection(&crit);
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threaded = true; //Stupid me... forgot this!!!
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currentnumthreads = 0;
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currentthreadid = 0;
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} //end of the function ThreadInitLock
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadShutdownLock(void)
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{
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DeleteCriticalSection(&crit);
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threaded = false; //Stupid me... forgot this!!!
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} //end of the function ThreadShutdownLock
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadSetupSemaphore(void)
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{
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semaphore = CreateSemaphore(NULL, 0, 99999999, "bspc");
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} //end of the function ThreadSetupSemaphore
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadShutdownSemaphore(void)
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{
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} //end of the function ThreadShutdownSemaphore
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadSemaphoreWait(void)
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{
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WaitForSingleObject(semaphore, INFINITE);
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} //end of the function ThreadSemaphoreWait
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadSemaphoreIncrease(int count)
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{
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ReleaseSemaphore(semaphore, count, NULL);
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} //end of the function ThreadSemaphoreIncrease
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void RunThreadsOn(int workcnt, qboolean showpacifier, void(*func)(int))
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{
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int threadid[MAX_THREADS];
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HANDLE threadhandle[MAX_THREADS];
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int i;
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int start, end;
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Log_Print("Win32 multi-threading\n");
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start = I_FloatTime ();
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dispatch = 0;
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workcount = workcnt;
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oldf = -1;
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pacifier = showpacifier;
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threaded = true;
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if (numthreads == -1)
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ThreadSetDefault ();
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if (numthreads < 1 || numthreads > MAX_THREADS) numthreads = 1;
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//
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// run threads in parallel
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//
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InitializeCriticalSection (&crit);
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numwaitingthreads = 0;
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if (numthreads == 1)
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{ // use same thread
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func (0);
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} //end if
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else
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{
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// printf("starting %d threads\n", numthreads);
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for (i = 0; i < numthreads; i++)
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{
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threadhandle[i] = CreateThread(
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NULL, // LPSECURITY_ATTRIBUTES lpsa,
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0, // DWORD cbStack,
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(LPTHREAD_START_ROUTINE)func, // LPTHREAD_START_ROUTINE lpStartAddr,
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(LPVOID)i, // LPVOID lpvThreadParm,
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0, // DWORD fdwCreate,
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&threadid[i]);
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// printf("started thread %d\n", i);
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} //end for
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for (i = 0; i < numthreads; i++)
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WaitForSingleObject (threadhandle[i], INFINITE);
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} //end else
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DeleteCriticalSection (&crit);
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threaded = false;
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end = I_FloatTime ();
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if (pacifier) printf (" (%i)\n", end-start);
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} //end of the function RunThreadsOn
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AddThread(void (*func)(int))
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{
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thread_t *thread;
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if (numthreads == 1)
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{
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if (currentnumthreads >= numthreads) return;
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currentnumthreads++;
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func(-1);
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currentnumthreads--;
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} //end if
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else
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{
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ThreadLock();
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if (currentnumthreads >= numthreads)
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{
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ThreadUnlock();
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return;
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} //end if
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//allocate new thread
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thread = GetMemory(sizeof(thread_t));
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if (!thread) Error("can't allocate memory for thread\n");
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//
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thread->threadid = currentthreadid;
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thread->handle = CreateThread(
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NULL, // LPSECURITY_ATTRIBUTES lpsa,
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0, // DWORD cbStack,
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(LPTHREAD_START_ROUTINE)func, // LPTHREAD_START_ROUTINE lpStartAddr,
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(LPVOID) thread->threadid, // LPVOID lpvThreadParm,
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0, // DWORD fdwCreate,
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&thread->id);
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//add the thread to the end of the list
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thread->next = NULL;
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if (lastthread) lastthread->next = thread;
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else firstthread = thread;
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lastthread = thread;
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//
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#ifdef THREAD_DEBUG
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qprintf("added thread with id %d\n", thread->threadid);
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#endif //THREAD_DEBUG
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//
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currentnumthreads++;
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currentthreadid++;
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//
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ThreadUnlock();
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} //end else
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} //end of the function AddThread
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void RemoveThread(int threadid)
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{
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thread_t *thread, *last;
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//if a single thread
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if (threadid == -1) return;
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//
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ThreadLock();
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last = NULL;
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for (thread = firstthread; thread; thread = thread->next)
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{
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if (thread->threadid == threadid)
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{
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if (last) last->next = thread->next;
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else firstthread = thread->next;
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if (!thread->next) lastthread = last;
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//
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FreeMemory(thread);
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currentnumthreads--;
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#ifdef THREAD_DEBUG
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qprintf("removed thread with id %d\n", threadid);
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#endif //THREAD_DEBUG
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break;
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} //end if
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last = thread;
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} //end if
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if (!thread) Error("couldn't find thread with id %d", threadid);
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ThreadUnlock();
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} //end of the function RemoveThread
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void WaitForAllThreadsFinished(void)
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{
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HANDLE handle;
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ThreadLock();
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while(firstthread)
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{
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handle = firstthread->handle;
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ThreadUnlock();
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WaitForSingleObject(handle, INFINITE);
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ThreadLock();
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} //end while
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ThreadUnlock();
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} //end of the function WaitForAllThreadsFinished
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int GetNumThreads(void)
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{
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return currentnumthreads;
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} //end of the function GetNumThreads
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#endif
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//===================================================================
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//
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// OSF1
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//
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//===================================================================
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#if defined(__osf__)
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#define USED
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#include <pthread.h>
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typedef struct thread_s
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{
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pthread_t thread;
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int threadid;
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int id;
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struct thread_s *next;
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} thread_t;
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thread_t *firstthread;
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thread_t *lastthread;
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int currentnumthreads;
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int currentthreadid;
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int numthreads = 1;
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pthread_mutex_t my_mutex;
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pthread_attr_t attrib;
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static int enter;
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static int numwaitingthreads = 0;
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|
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadSetDefault(void)
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{
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if (numthreads == -1) // not set manually
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{
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numthreads = 1;
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} //end if
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qprintf("%i threads\n", numthreads);
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} //end of the function ThreadSetDefault
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void ThreadLock(void)
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{
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if (!threaded)
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{
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Error("ThreadLock: !threaded");
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return;
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} //end if
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if (my_mutex)
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{
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pthread_mutex_lock(my_mutex);
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} //end if
|
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if (enter)
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Error("Recursive ThreadLock\n");
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enter = 1;
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} //end of the function ThreadLock
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//===========================================================================
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|
//
|
|
// Parameter: -
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|
// Returns: -
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|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadUnlock(void)
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{
|
|
if (!threaded)
|
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{
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|
Error("ThreadUnlock: !threaded");
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return;
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} //end if
|
|
if (!enter)
|
|
Error("ThreadUnlock without lock\n");
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enter = 0;
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if (my_mutex)
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{
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pthread_mutex_unlock(my_mutex);
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} //end if
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} //end of the function ThreadUnlock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
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|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSetupLock(void)
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|
{
|
|
pthread_mutexattr_t mattrib;
|
|
|
|
Log_Print("pthread multi-threading\n");
|
|
|
|
if (!my_mutex)
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{
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|
my_mutex = GetMemory(sizeof(*my_mutex));
|
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if (pthread_mutexattr_create (&mattrib) == -1)
|
|
Error ("pthread_mutex_attr_create failed");
|
|
if (pthread_mutexattr_setkind_np (&mattrib, MUTEX_FAST_NP) == -1)
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Error ("pthread_mutexattr_setkind_np failed");
|
|
if (pthread_mutex_init (my_mutex, mattrib) == -1)
|
|
Error ("pthread_mutex_init failed");
|
|
}
|
|
|
|
if (pthread_attr_create (&attrib) == -1)
|
|
Error ("pthread_attr_create failed");
|
|
if (pthread_attr_setstacksize (&attrib, 0x100000) == -1)
|
|
Error ("pthread_attr_setstacksize failed");
|
|
|
|
threaded = true;
|
|
currentnumthreads = 0;
|
|
currentthreadid = 0;
|
|
} //end of the function ThreadInitLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadShutdownLock(void)
|
|
{
|
|
threaded = false;
|
|
} //end of the function ThreadShutdownLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void RunThreadsOn(int workcnt, qboolean showpacifier, void(*func)(int))
|
|
{
|
|
int i;
|
|
pthread_t work_threads[MAX_THREADS];
|
|
pthread_addr_t status;
|
|
pthread_attr_t attrib;
|
|
pthread_mutexattr_t mattrib;
|
|
int start, end;
|
|
|
|
Log_Print("pthread multi-threading\n");
|
|
|
|
start = I_FloatTime ();
|
|
dispatch = 0;
|
|
workcount = workcnt;
|
|
oldf = -1;
|
|
pacifier = showpacifier;
|
|
threaded = true;
|
|
|
|
if (numthreads < 1 || numthreads > MAX_THREADS) numthreads = 1;
|
|
|
|
if (pacifier)
|
|
setbuf (stdout, NULL);
|
|
|
|
if (!my_mutex)
|
|
{
|
|
my_mutex = GetMemory(sizeof(*my_mutex));
|
|
if (pthread_mutexattr_create (&mattrib) == -1)
|
|
Error ("pthread_mutex_attr_create failed");
|
|
if (pthread_mutexattr_setkind_np (&mattrib, MUTEX_FAST_NP) == -1)
|
|
Error ("pthread_mutexattr_setkind_np failed");
|
|
if (pthread_mutex_init (my_mutex, mattrib) == -1)
|
|
Error ("pthread_mutex_init failed");
|
|
}
|
|
|
|
if (pthread_attr_create (&attrib) == -1)
|
|
Error ("pthread_attr_create failed");
|
|
if (pthread_attr_setstacksize (&attrib, 0x100000) == -1)
|
|
Error ("pthread_attr_setstacksize failed");
|
|
|
|
for (i=0 ; i<numthreads ; i++)
|
|
{
|
|
if (pthread_create(&work_threads[i], attrib
|
|
, (pthread_startroutine_t)func, (pthread_addr_t)i) == -1)
|
|
Error ("pthread_create failed");
|
|
}
|
|
|
|
for (i=0 ; i<numthreads ; i++)
|
|
{
|
|
if (pthread_join (work_threads[i], &status) == -1)
|
|
Error ("pthread_join failed");
|
|
}
|
|
|
|
threaded = false;
|
|
|
|
end = I_FloatTime ();
|
|
if (pacifier)
|
|
printf (" (%i)\n", end-start);
|
|
} //end of the function RunThreadsOn
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AddThread(void (*func)(int))
|
|
{
|
|
thread_t *thread;
|
|
|
|
if (numthreads == 1)
|
|
{
|
|
if (currentnumthreads >= numthreads) return;
|
|
currentnumthreads++;
|
|
func(-1);
|
|
currentnumthreads--;
|
|
} //end if
|
|
else
|
|
{
|
|
ThreadLock();
|
|
if (currentnumthreads >= numthreads)
|
|
{
|
|
ThreadUnlock();
|
|
return;
|
|
} //end if
|
|
//allocate new thread
|
|
thread = GetMemory(sizeof(thread_t));
|
|
if (!thread) Error("can't allocate memory for thread\n");
|
|
//
|
|
thread->threadid = currentthreadid;
|
|
|
|
if (pthread_create(&thread->thread, attrib, (pthread_startroutine_t)func, (pthread_addr_t)thread->threadid) == -1)
|
|
Error ("pthread_create failed");
|
|
|
|
//add the thread to the end of the list
|
|
thread->next = NULL;
|
|
if (lastthread) lastthread->next = thread;
|
|
else firstthread = thread;
|
|
lastthread = thread;
|
|
//
|
|
#ifdef THREAD_DEBUG
|
|
qprintf("added thread with id %d\n", thread->threadid);
|
|
#endif //THREAD_DEBUG
|
|
//
|
|
currentnumthreads++;
|
|
currentthreadid++;
|
|
//
|
|
ThreadUnlock();
|
|
} //end else
|
|
} //end of the function AddThread
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void RemoveThread(int threadid)
|
|
{
|
|
thread_t *thread, *last;
|
|
|
|
//if a single thread
|
|
if (threadid == -1) return;
|
|
//
|
|
ThreadLock();
|
|
last = NULL;
|
|
for (thread = firstthread; thread; thread = thread->next)
|
|
{
|
|
if (thread->threadid == threadid)
|
|
{
|
|
if (last) last->next = thread->next;
|
|
else firstthread = thread->next;
|
|
if (!thread->next) lastthread = last;
|
|
//
|
|
FreeMemory(thread);
|
|
currentnumthreads--;
|
|
#ifdef THREAD_DEBUG
|
|
qprintf("removed thread with id %d\n", threadid);
|
|
#endif //THREAD_DEBUG
|
|
break;
|
|
} //end if
|
|
last = thread;
|
|
} //end if
|
|
if (!thread) Error("couldn't find thread with id %d", threadid);
|
|
ThreadUnlock();
|
|
} //end of the function RemoveThread
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void WaitForAllThreadsFinished(void)
|
|
{
|
|
pthread_t *thread;
|
|
pthread_addr_t status;
|
|
|
|
ThreadLock();
|
|
while(firstthread)
|
|
{
|
|
thread = &firstthread->thread;
|
|
ThreadUnlock();
|
|
|
|
if (pthread_join(*thread, &status) == -1)
|
|
Error("pthread_join failed");
|
|
|
|
ThreadLock();
|
|
} //end while
|
|
ThreadUnlock();
|
|
} //end of the function WaitForAllThreadsFinished
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
int GetNumThreads(void)
|
|
{
|
|
return currentnumthreads;
|
|
} //end of the function GetNumThreads
|
|
|
|
#endif
|
|
|
|
//===================================================================
|
|
//
|
|
// LINUX
|
|
//
|
|
//===================================================================
|
|
|
|
#if defined(LINUX)
|
|
|
|
#define USED
|
|
|
|
#include <pthread.h>
|
|
#include <semaphore.h>
|
|
|
|
typedef struct thread_s
|
|
{
|
|
pthread_t thread;
|
|
int threadid;
|
|
int id;
|
|
struct thread_s *next;
|
|
} thread_t;
|
|
|
|
thread_t *firstthread;
|
|
thread_t *lastthread;
|
|
int currentnumthreads;
|
|
int currentthreadid;
|
|
|
|
int numthreads = 1;
|
|
pthread_mutex_t my_mutex = PTHREAD_MUTEX_INITIALIZER;
|
|
pthread_attr_t attrib;
|
|
sem_t semaphore;
|
|
static int enter;
|
|
static int numwaitingthreads = 0;
|
|
|
|
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSetDefault(void)
|
|
{
|
|
if (numthreads == -1) // not set manually
|
|
{
|
|
numthreads = 1;
|
|
} //end if
|
|
qprintf("%i threads\n", numthreads);
|
|
} //end of the function ThreadSetDefault
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadLock(void)
|
|
{
|
|
if (!threaded)
|
|
{
|
|
Error("ThreadLock: !threaded");
|
|
return;
|
|
} //end if
|
|
pthread_mutex_lock(&my_mutex);
|
|
if (enter)
|
|
Error("Recursive ThreadLock\n");
|
|
enter = 1;
|
|
} //end of the function ThreadLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadUnlock(void)
|
|
{
|
|
if (!threaded)
|
|
{
|
|
Error("ThreadUnlock: !threaded");
|
|
return;
|
|
} //end if
|
|
if (!enter)
|
|
Error("ThreadUnlock without lock\n");
|
|
enter = 0;
|
|
pthread_mutex_unlock(&my_mutex);
|
|
} //end of the function ThreadUnlock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSetupLock(void)
|
|
{
|
|
pthread_mutexattr_t mattrib;
|
|
|
|
Log_Print("pthread multi-threading\n");
|
|
|
|
threaded = true;
|
|
currentnumthreads = 0;
|
|
currentthreadid = 0;
|
|
} //end of the function ThreadInitLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadShutdownLock(void)
|
|
{
|
|
threaded = false;
|
|
} //end of the function ThreadShutdownLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSetupSemaphore(void)
|
|
{
|
|
sem_init(&semaphore, 0, 0);
|
|
} //end of the function ThreadSetupSemaphore
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadShutdownSemaphore(void)
|
|
{
|
|
sem_destroy(&semaphore);
|
|
} //end of the function ThreadShutdownSemaphore
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSemaphoreWait(void)
|
|
{
|
|
sem_wait(&semaphore);
|
|
} //end of the function ThreadSemaphoreWait
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSemaphoreIncrease(int count)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
sem_post(&semaphore);
|
|
} //end for
|
|
} //end of the function ThreadSemaphoreIncrease
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void RunThreadsOn(int workcnt, qboolean showpacifier, void(*func)(int))
|
|
{
|
|
int i;
|
|
pthread_t work_threads[MAX_THREADS];
|
|
void *pthread_return;
|
|
pthread_attr_t attrib;
|
|
pthread_mutexattr_t mattrib;
|
|
int start, end;
|
|
|
|
Log_Print("pthread multi-threading\n");
|
|
|
|
start = I_FloatTime ();
|
|
dispatch = 0;
|
|
workcount = workcnt;
|
|
oldf = -1;
|
|
pacifier = showpacifier;
|
|
threaded = true;
|
|
|
|
if (numthreads < 1 || numthreads > MAX_THREADS) numthreads = 1;
|
|
|
|
if (pacifier)
|
|
setbuf (stdout, NULL);
|
|
|
|
for (i=0 ; i<numthreads ; i++)
|
|
{
|
|
if (pthread_create(&work_threads[i], NULL, (void *)func, (void *)i) == -1)
|
|
Error ("pthread_create failed");
|
|
}
|
|
|
|
for (i=0 ; i<numthreads ; i++)
|
|
{
|
|
if (pthread_join(work_threads[i], &pthread_return) == -1)
|
|
Error ("pthread_join failed");
|
|
}
|
|
|
|
threaded = false;
|
|
|
|
end = I_FloatTime ();
|
|
if (pacifier)
|
|
printf (" (%i)\n", end-start);
|
|
} //end of the function RunThreadsOn
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AddThread(void (*func)(int))
|
|
{
|
|
thread_t *thread;
|
|
|
|
if (numthreads == 1)
|
|
{
|
|
if (currentnumthreads >= numthreads) return;
|
|
currentnumthreads++;
|
|
func(-1);
|
|
currentnumthreads--;
|
|
} //end if
|
|
else
|
|
{
|
|
ThreadLock();
|
|
if (currentnumthreads >= numthreads)
|
|
{
|
|
ThreadUnlock();
|
|
return;
|
|
} //end if
|
|
//allocate new thread
|
|
thread = GetMemory(sizeof(thread_t));
|
|
if (!thread) Error("can't allocate memory for thread\n");
|
|
//
|
|
thread->threadid = currentthreadid;
|
|
|
|
if (pthread_create(&thread->thread, NULL, (void *)func, (void *)thread->threadid) == -1)
|
|
Error ("pthread_create failed");
|
|
|
|
//add the thread to the end of the list
|
|
thread->next = NULL;
|
|
if (lastthread) lastthread->next = thread;
|
|
else firstthread = thread;
|
|
lastthread = thread;
|
|
//
|
|
#ifdef THREAD_DEBUG
|
|
qprintf("added thread with id %d\n", thread->threadid);
|
|
#endif //THREAD_DEBUG
|
|
//
|
|
currentnumthreads++;
|
|
currentthreadid++;
|
|
//
|
|
ThreadUnlock();
|
|
} //end else
|
|
} //end of the function AddThread
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void RemoveThread(int threadid)
|
|
{
|
|
thread_t *thread, *last;
|
|
|
|
//if a single thread
|
|
if (threadid == -1) return;
|
|
//
|
|
ThreadLock();
|
|
last = NULL;
|
|
for (thread = firstthread; thread; thread = thread->next)
|
|
{
|
|
if (thread->threadid == threadid)
|
|
{
|
|
if (last) last->next = thread->next;
|
|
else firstthread = thread->next;
|
|
if (!thread->next) lastthread = last;
|
|
//
|
|
FreeMemory(thread);
|
|
currentnumthreads--;
|
|
#ifdef THREAD_DEBUG
|
|
qprintf("removed thread with id %d\n", threadid);
|
|
#endif //THREAD_DEBUG
|
|
break;
|
|
} //end if
|
|
last = thread;
|
|
} //end if
|
|
if (!thread) Error("couldn't find thread with id %d", threadid);
|
|
ThreadUnlock();
|
|
} //end of the function RemoveThread
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void WaitForAllThreadsFinished(void)
|
|
{
|
|
pthread_t *thread;
|
|
void *pthread_return;
|
|
|
|
ThreadLock();
|
|
while(firstthread)
|
|
{
|
|
thread = &firstthread->thread;
|
|
ThreadUnlock();
|
|
|
|
if (pthread_join(*thread, &pthread_return) == -1)
|
|
Error("pthread_join failed");
|
|
|
|
ThreadLock();
|
|
} //end while
|
|
ThreadUnlock();
|
|
} //end of the function WaitForAllThreadsFinished
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
int GetNumThreads(void)
|
|
{
|
|
return currentnumthreads;
|
|
} //end of the function GetNumThreads
|
|
|
|
#endif //LINUX
|
|
|
|
|
|
//===================================================================
|
|
//
|
|
// IRIX
|
|
//
|
|
//===================================================================
|
|
|
|
#ifdef _MIPS_ISA
|
|
|
|
#define USED
|
|
|
|
#include <task.h>
|
|
#include <abi_mutex.h>
|
|
#include <sys/types.h>
|
|
#include <sys/prctl.h>
|
|
|
|
typedef struct thread_s
|
|
{
|
|
int threadid;
|
|
int id;
|
|
struct thread_s *next;
|
|
} thread_t;
|
|
|
|
thread_t *firstthread;
|
|
thread_t *lastthread;
|
|
int currentnumthreads;
|
|
int currentthreadid;
|
|
|
|
int numthreads = 1;
|
|
static int enter;
|
|
static int numwaitingthreads = 0;
|
|
|
|
abilock_t lck;
|
|
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSetDefault (void)
|
|
{
|
|
if (numthreads == -1)
|
|
numthreads = prctl(PR_MAXPPROCS);
|
|
printf ("%i threads\n", numthreads);
|
|
//@@
|
|
usconfig (CONF_INITUSERS, numthreads);
|
|
} //end of the function ThreadSetDefault
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadLock (void)
|
|
{
|
|
spin_lock (&lck);
|
|
} //end of the function ThreadLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadUnlock (void)
|
|
{
|
|
release_lock(&lck);
|
|
} //end of the function ThreadUnlock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSetupLock(void)
|
|
{
|
|
init_lock (&lck);
|
|
|
|
Log_Print("IRIX multi-threading\n");
|
|
|
|
threaded = true;
|
|
currentnumthreads = 0;
|
|
currentthreadid = 0;
|
|
} //end of the function ThreadInitLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadShutdownLock(void)
|
|
{
|
|
threaded = false;
|
|
} //end of the function ThreadShutdownLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void RunThreadsOn (int workcnt, qboolean showpacifier, void(*func)(int))
|
|
{
|
|
int i;
|
|
int pid[MAX_THREADS];
|
|
int start, end;
|
|
|
|
start = I_FloatTime ();
|
|
dispatch = 0;
|
|
workcount = workcnt;
|
|
oldf = -1;
|
|
pacifier = showpacifier;
|
|
threaded = true;
|
|
|
|
if (numthreads < 1 || numthreads > MAX_THREADS) numthreads = 1;
|
|
|
|
if (pacifier)
|
|
setbuf (stdout, NULL);
|
|
|
|
init_lock (&lck);
|
|
|
|
for (i=0 ; i<numthreads-1 ; i++)
|
|
{
|
|
pid[i] = sprocsp ( (void (*)(void *, size_t))func, PR_SALL, (void *)i
|
|
, NULL, 0x100000);
|
|
// pid[i] = sprocsp ( (void (*)(void *, size_t))func, PR_SALL, (void *)i
|
|
// , NULL, 0x80000);
|
|
if (pid[i] == -1)
|
|
{
|
|
perror ("sproc");
|
|
Error ("sproc failed");
|
|
}
|
|
}
|
|
|
|
func(i);
|
|
|
|
for (i=0 ; i<numthreads-1 ; i++)
|
|
wait (NULL);
|
|
|
|
threaded = false;
|
|
|
|
end = I_FloatTime ();
|
|
if (pacifier)
|
|
printf (" (%i)\n", end-start);
|
|
} //end of the function RunThreadsOn
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AddThread(void (*func)(int))
|
|
{
|
|
thread_t *thread;
|
|
|
|
if (numthreads == 1)
|
|
{
|
|
if (currentnumthreads >= numthreads) return;
|
|
currentnumthreads++;
|
|
func(-1);
|
|
currentnumthreads--;
|
|
} //end if
|
|
else
|
|
{
|
|
ThreadLock();
|
|
if (currentnumthreads >= numthreads)
|
|
{
|
|
ThreadUnlock();
|
|
return;
|
|
} //end if
|
|
//allocate new thread
|
|
thread = GetMemory(sizeof(thread_t));
|
|
if (!thread) Error("can't allocate memory for thread\n");
|
|
//
|
|
thread->threadid = currentthreadid;
|
|
|
|
thread->id = sprocsp ( (void (*)(void *, size_t))func, PR_SALL, (void *)thread->threadid, NULL, 0x100000);
|
|
if (thread->id == -1)
|
|
{
|
|
perror ("sproc");
|
|
Error ("sproc failed");
|
|
}
|
|
|
|
//add the thread to the end of the list
|
|
thread->next = NULL;
|
|
if (lastthread) lastthread->next = thread;
|
|
else firstthread = thread;
|
|
lastthread = thread;
|
|
//
|
|
#ifdef THREAD_DEBUG
|
|
qprintf("added thread with id %d\n", thread->threadid);
|
|
#endif //THREAD_DEBUG
|
|
//
|
|
currentnumthreads++;
|
|
currentthreadid++;
|
|
//
|
|
ThreadUnlock();
|
|
} //end else
|
|
} //end of the function AddThread
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void RemoveThread(int threadid)
|
|
{
|
|
thread_t *thread, *last;
|
|
|
|
//if a single thread
|
|
if (threadid == -1) return;
|
|
//
|
|
ThreadLock();
|
|
last = NULL;
|
|
for (thread = firstthread; thread; thread = thread->next)
|
|
{
|
|
if (thread->threadid == threadid)
|
|
{
|
|
if (last) last->next = thread->next;
|
|
else firstthread = thread->next;
|
|
if (!thread->next) lastthread = last;
|
|
//
|
|
FreeMemory(thread);
|
|
currentnumthreads--;
|
|
#ifdef THREAD_DEBUG
|
|
qprintf("removed thread with id %d\n", threadid);
|
|
#endif //THREAD_DEBUG
|
|
break;
|
|
} //end if
|
|
last = thread;
|
|
} //end if
|
|
if (!thread) Error("couldn't find thread with id %d", threadid);
|
|
ThreadUnlock();
|
|
} //end of the function RemoveThread
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void WaitForAllThreadsFinished(void)
|
|
{
|
|
ThreadLock();
|
|
while(firstthread)
|
|
{
|
|
ThreadUnlock();
|
|
|
|
//wait (NULL);
|
|
|
|
ThreadLock();
|
|
} //end while
|
|
ThreadUnlock();
|
|
} //end of the function WaitForAllThreadsFinished
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
int GetNumThreads(void)
|
|
{
|
|
return currentnumthreads;
|
|
} //end of the function GetNumThreads
|
|
|
|
#endif //_MIPS_ISA
|
|
|
|
|
|
//=======================================================================
|
|
//
|
|
// SINGLE THREAD
|
|
//
|
|
//=======================================================================
|
|
|
|
#ifndef USED
|
|
|
|
int numthreads = 1;
|
|
int currentnumthreads = 0;
|
|
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSetDefault(void)
|
|
{
|
|
numthreads = 1;
|
|
} //end of the function ThreadSetDefault
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadLock(void)
|
|
{
|
|
} //end of the function ThreadLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadUnlock(void)
|
|
{
|
|
} //end of the function ThreadUnlock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSetupLock(void)
|
|
{
|
|
Log_Print("no multi-threading\n");
|
|
} //end of the function ThreadInitLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadShutdownLock(void)
|
|
{
|
|
} //end of the function ThreadShutdownLock
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSetupSemaphore(void)
|
|
{
|
|
} //end of the function ThreadSetupSemaphore
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadShutdownSemaphore(void)
|
|
{
|
|
} //end of the function ThreadShutdownSemaphore
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSemaphoreWait(void)
|
|
{
|
|
} //end of the function ThreadSemaphoreWait
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void ThreadSemaphoreIncrease(int count)
|
|
{
|
|
} //end of the function ThreadSemaphoreIncrease
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void RunThreadsOn(int workcnt, qboolean showpacifier, void(*func)(int))
|
|
{
|
|
int start, end;
|
|
|
|
Log_Print("no multi-threading\n");
|
|
dispatch = 0;
|
|
workcount = workcnt;
|
|
oldf = -1;
|
|
pacifier = showpacifier;
|
|
start = I_FloatTime ();
|
|
#ifdef NeXT
|
|
if (pacifier)
|
|
setbuf (stdout, NULL);
|
|
#endif
|
|
func(0);
|
|
|
|
end = I_FloatTime ();
|
|
if (pacifier)
|
|
printf (" (%i)\n", end-start);
|
|
} //end of the function RunThreadsOn
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AddThread(void (*func)(int))
|
|
{
|
|
if (currentnumthreads >= numthreads) return;
|
|
currentnumthreads++;
|
|
func(-1);
|
|
currentnumthreads--;
|
|
} //end of the function AddThread
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void RemoveThread(int threadid)
|
|
{
|
|
} //end of the function RemoveThread
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void WaitForAllThreadsFinished(void)
|
|
{
|
|
} //end of the function WaitForAllThreadsFinished
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
int GetNumThreads(void)
|
|
{
|
|
return currentnumthreads;
|
|
} //end of the function GetNumThreads
|
|
|
|
#endif //USED
|