107 lines
2.4 KiB
C
107 lines
2.4 KiB
C
|
/*
|
||
|
|
trace.c
|
||
|
|
|
||
|
|
(description)
|
||
|
|
|
||
|
|
Copyright (C) 2002 Colin Thompson
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU General Public License
|
||
|
|
as published by the Free Software Foundation; either version 2
|
||
|
|
of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||
|
|
|
||
|
|
See the GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program; if not, write to:
|
||
|
|
|
||
|
|
Free Software Foundation, Inc.
|
||
|
|
59 Temple Place - Suite 330
|
||
|
|
Boston, MA 02111-1307, USA
|
||
|
|
|
||
|
|
*/
|
||
|
|
static const char rcsid[] = "$Id$";
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
# include "config.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef HAVE_UNISTD_H
|
||
|
|
# include <unistd.h>
|
||
|
|
#endif
|
||
|
|
#ifdef HAVE_IO_H
|
||
|
|
# include <io.h>
|
||
|
|
#endif
|
||
|
|
#ifdef HAVE_STRING_H
|
||
|
|
# include <string.h>
|
||
|
|
#endif
|
||
|
|
#ifdef HAVE_STRINGS_H
|
||
|
|
# include <strings.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "QF/qtypes.h"
|
||
|
|
#include "QF/qendian.h"
|
||
|
|
#include "threads.h"
|
||
|
|
|
||
|
|
#ifdef __alpha
|
||
|
|
int numthreads = 4;
|
||
|
|
pthread_mutex_t *my_mutex;
|
||
|
|
#else
|
||
|
|
int numthreads = 1;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
void
|
||
|
|
InitThreads (void)
|
||
|
|
{
|
||
|
|
#ifdef __alpha
|
||
|
|
pthread_mutexattr_t mattrib;
|
||
|
|
|
||
|
|
my_mutex = malloc (sizeof (*my_mutex));
|
||
|
|
if (pthread_mutexattr_create (&mattrib) == -1)
|
||
|
|
fprintf (stderr, "pthread_mutex_attr_create failed");
|
||
|
|
if (pthread_mutexattr_setkind_np (&mattrib, MUTEX_FAST_NP) == -1)
|
||
|
|
fprintf (stderr, "pthread_mutexattr_setkind_np failed");
|
||
|
|
if (pthread_mutex_init (my_mutex, mattrib) == -1)
|
||
|
|
fprintf (stderr, "pthread_mutex_init failed");
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
RunThreadsOn (threadfunc_t func)
|
||
|
|
{
|
||
|
|
#ifdef __alpha
|
||
|
|
pthread_t work_threads[256];
|
||
|
|
pthread_addr_t status;
|
||
|
|
pthread_attr_t attrib;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
|
||
|
|
if (numthreads == 1) {
|
||
|
|
func (NULL);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pthread_attr_create (&attrib) == -1)
|
||
|
|
fprintf (stderr, "pthread_attr_create failed");
|
||
|
|
if (pthread_attr_setstacksize (&attrib, 0x100000) == -1)
|
||
|
|
fprintf (stderr, "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)
|
||
|
|
fprintf (stderr, "pthread_create failed");
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < numthreads; i++) {
|
||
|
|
if (pthread_join (work_threads[i], &status) == -1)
|
||
|
|
fprintf (stderr, "pthread_join failed");
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
func (NULL);
|
||
|
|
#endif
|
||
|
|
}
|