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61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
#ifdef SYSTEM_WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#endif
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#include "cmdlib.h"
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#include "messages.h"
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#include "log.h"
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#include "blockmem.h"
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#include "resourcelock.h"
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#ifdef SYSTEM_WIN32
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typedef struct
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{
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HANDLE Mutex;
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}
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ResourceLock_t;
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void* CreateResourceLock(int LockNumber)
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{
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char lockname[_MAX_PATH];
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char mapname[_MAX_PATH];
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ResourceLock_t* lock = (ResourceLock_t*)Alloc(sizeof(ResourceLock_t));
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ExtractFile(g_Mapname, mapname);
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safe_snprintf(lockname, _MAX_PATH, "%d%s", LockNumber, mapname);
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lock->Mutex = CreateMutex(NULL, FALSE, lockname);
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if (lock->Mutex == NULL)
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{
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LPVOID lpMsgBuf;
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Log("lock->Mutex is NULL! [%s]", lockname);
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) & lpMsgBuf, 0, NULL);
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Error((LPCTSTR)lpMsgBuf);
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}
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WaitForSingleObject(lock->Mutex, INFINITE);
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return lock;
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}
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void ReleaseResourceLock(void** lock)
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{
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ResourceLock_t* lockTmp = (ResourceLock_t*)*lock;
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if (!ReleaseMutex(lockTmp->Mutex))
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{
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Error("Failed to release mutex");
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}
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Free(lockTmp);
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*lock = NULL;
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}
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#endif
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