191 lines
4.4 KiB
C
191 lines
4.4 KiB
C
/*
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Copyright (c) 2004-2008 Jay Sorg
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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thread calls
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*/
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#if defined(_WIN32)
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#include <windows.h>
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#else
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#include <pthread.h>
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#include <semaphore.h>
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#endif
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#include "arch.h"
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#include "thread_calls.h"
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#include "os_calls.h"
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/*****************************************************************************/
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/* returns error */
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#if defined(_WIN32)
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int APP_CC
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tc_thread_create(unsigned long (__stdcall * start_routine)(void*), void* arg)
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{
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DWORD thread_id;
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HANDLE thread;
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int rv;
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/* CreateThread returns handle or zero on error */
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thread = CreateThread(0, 0, start_routine, arg, 0, &thread_id);
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rv = !thread;
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CloseHandle(thread);
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return rv;
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}
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#else
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int APP_CC
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tc_thread_create(void* (* start_routine)(void*), void* arg)
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{
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pthread_t thread;
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int rv;
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/* pthread_create returns error */
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rv = pthread_create(&thread, 0, start_routine, arg);
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pthread_detach(thread);
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return rv;
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}
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#endif
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/*****************************************************************************/
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tbus APP_CC
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tc_get_threadid(void)
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{
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#if defined(_WIN32)
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return (tbus)GetCurrentThreadId();
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#else
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return (tbus)pthread_self();
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#endif
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}
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/*****************************************************************************/
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tbus APP_CC
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tc_mutex_create(void)
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{
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#if defined(_WIN32)
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return (tbus)CreateMutex(0, 0, 0);
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#else
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pthread_mutex_t* lmutex;
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lmutex = (pthread_mutex_t*)g_malloc(sizeof(pthread_mutex_t), 0);
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pthread_mutex_init(lmutex, 0);
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return (tbus)lmutex;
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#endif
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}
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/*****************************************************************************/
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void APP_CC
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tc_mutex_delete(tbus mutex)
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{
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#if defined(_WIN32)
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CloseHandle((HANDLE)mutex);
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#else
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pthread_mutex_t* lmutex;
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lmutex = (pthread_mutex_t*)mutex;
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pthread_mutex_destroy(lmutex);
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g_free(lmutex);
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#endif
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}
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/*****************************************************************************/
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int APP_CC
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tc_mutex_lock(tbus mutex)
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{
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#if defined(_WIN32)
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WaitForSingleObject((HANDLE)mutex, INFINITE);
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return 0;
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#else
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pthread_mutex_lock((pthread_mutex_t*)mutex);
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return 0;
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#endif
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}
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/*****************************************************************************/
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int APP_CC
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tc_mutex_unlock(tbus mutex)
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{
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#if defined(_WIN32)
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ReleaseMutex((HANDLE)mutex);
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return 0;
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#else
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pthread_mutex_unlock((pthread_mutex_t*)mutex);
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return 0;
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#endif
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}
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/*****************************************************************************/
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tbus APP_CC
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tc_sem_create(int init_count)
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{
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#if defined(_WIN32)
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HANDLE sem;
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sem = CreateSemaphore(0, init_count, init_count + 10, 0);
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return (tbus)sem;
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#else
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sem_t* sem;
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sem = g_malloc(sizeof(sem_t), 0);
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sem_init(sem, 0, init_count);
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return (tbus)sem;
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#endif
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}
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/*****************************************************************************/
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void APP_CC
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tc_sem_delete(tbus sem)
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{
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#if defined(_WIN32)
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CloseHandle((HANDLE)sem);
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#else
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sem_t* lsem;
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lsem = (sem_t*)sem;
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sem_destroy(lsem);
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g_free(lsem);
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#endif
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}
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/*****************************************************************************/
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int APP_CC
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tc_sem_dec(tbus sem)
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{
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#if defined(_WIN32)
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WaitForSingleObject((HANDLE)sem, INFINITE);
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return 0;
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#else
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sem_wait((sem_t*)sem);
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return 0;
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#endif
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}
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/*****************************************************************************/
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int APP_CC
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tc_sem_inc(tbus sem)
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{
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#if defined(_WIN32)
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ReleaseSemaphore((HANDLE)sem, 1, 0);
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return 0;
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#else
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sem_post((sem_t*)sem);
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return 0;
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#endif
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}
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