00001 #ifndef _WIN32
00002
00003 #include <pthread.h>
00004 #include "code.h"
00005
00006 void* naNewLock()
00007 {
00008 pthread_mutex_t* lock = naAlloc(sizeof(pthread_mutex_t));
00009 pthread_mutex_init(lock, 0);
00010 return lock;
00011 }
00012
00013 void naFreeLock(void* lock)
00014 {
00015 pthread_mutex_destroy(lock);
00016 naFree(lock);
00017 }
00018
00019 void naLock(void* lock)
00020 {
00021 pthread_mutex_lock((pthread_mutex_t*)lock);
00022 }
00023
00024 void naUnlock(void* lock)
00025 {
00026 pthread_mutex_unlock((pthread_mutex_t*)lock);
00027 }
00028
00029 struct naSem {
00030 pthread_mutex_t lock;
00031 pthread_cond_t cvar;
00032 int count;
00033 };
00034
00035 void* naNewSem()
00036 {
00037 struct naSem* sem = naAlloc(sizeof(struct naSem));
00038 pthread_mutex_init(&sem->lock , 0);
00039 pthread_cond_init(&sem->cvar, 0);
00040 sem->count = 0;
00041 return sem;
00042 }
00043
00044 void naFreeSem(void* p)
00045 {
00046 struct naSem* sem = p;
00047 pthread_mutex_destroy(&sem->lock);
00048 pthread_cond_destroy(&sem->cvar);
00049 naFree(sem);
00050 }
00051
00052 void naSemDown(void* sh)
00053 {
00054 struct naSem* sem = (struct naSem*)sh;
00055 pthread_mutex_lock(&sem->lock);
00056 while(sem->count <= 0)
00057 pthread_cond_wait(&sem->cvar, &sem->lock);
00058 sem->count--;
00059 pthread_mutex_unlock(&sem->lock);
00060 }
00061
00062 void naSemUp(void* sh, int count)
00063 {
00064 struct naSem* sem = (struct naSem*)sh;
00065 pthread_mutex_lock(&sem->lock);
00066 sem->count += count;
00067 pthread_cond_broadcast(&sem->cvar);
00068 pthread_mutex_unlock(&sem->lock);
00069 }
00070
00071 #endif
00072
00073 extern int GccWarningWorkaround_IsoCForbidsAnEmptySourceFile;
