85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/* Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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See file, 'COPYING', for details.
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*/
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#include <common/cmdlib.h>
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#include <light/threads.h>
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#ifdef __alpha
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static pthread_mutex_t *my_mutex;
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int numthreads = 4;
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#else
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int numthreads = 1;
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#endif
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void
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InitThreads(void)
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{
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#ifdef __alpha
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pthread_mutexattr_t mattrib;
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my_mutex = malloc(sizeof(*my_mutex));
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if (pthread_mutexattr_create(&mattrib) == -1)
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Error("pthread_mutex_attr_create failed");
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if (pthread_mutexattr_setkind_np(&mattrib, MUTEX_FAST_NP) == -1)
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Error("pthread_mutexattr_setkind_np failed");
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if (pthread_mutex_init(my_mutex, mattrib) == -1)
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Error("pthread_mutex_init failed");
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#endif
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}
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/*
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* ===============
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* RunThreadsOn
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* ===============
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*/
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void
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RunThreadsOn(threadfunc_t func)
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{
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#ifdef __alpha
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pthread_t work_threads[256];
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pthread_addr_t status;
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pthread_attr_t attrib;
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int i;
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if (numthreads == 1) {
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func(NULL);
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return;
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}
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if (pthread_attr_create(&attrib) == -1)
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Error("pthread_attr_create failed");
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if (pthread_attr_setstacksize(&attrib, 0x100000) == -1)
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Error("pthread_attr_setstacksize failed");
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for (i = 0; i < numthreads; i++) {
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if (pthread_create(&work_threads[i], attrib,
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(pthread_startroutine_t) func,
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(pthread_addr_t) i) == -1)
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Error("pthread_create failed");
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}
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for (i = 0; i < numthreads; i++) {
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if (pthread_join(work_threads[i], &status) == -1)
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Error("pthread_join failed");
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}
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#else
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func(NULL);
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#endif
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}
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