94 #define PLATFORM_MUTEX_INIT(m)   argument
95 #define PLATFORM_MUTEX_LOCK(m)   argument
96 #define PLATFORM_MUTEX_UNLOCK(m)   argument
97 #define PLATFORM_MUTEX_DESTROY(m)   argument
105 #define PLATFORM_MUTEX_INIT(m) InitializeCriticalSection(m)  argument
106 #define PLATFORM_MUTEX_LOCK(m) EnterCriticalSection(m)  argument
107 #define PLATFORM_MUTEX_UNLOCK(m) LeaveCriticalSection(m)  argument
108 #define PLATFORM_MUTEX_DESTROY(m) DeleteCriticalSection(m)  argument
115 #define PLATFORM_MUTEX_INIT(m) pthread_mutex_init(m, NULL)  argument
116 #define PLATFORM_MUTEX_LOCK(m) pthread_mutex_lock(m)  argument
117 #define PLATFORM_MUTEX_UNLOCK(m) pthread_mutex_unlock(m)  argument
118 #define PLATFORM_MUTEX_DESTROY(m) pthread_mutex_destroy(m)  argument
132 #define PLATFORM_MUTEX_INIT(m)   argument
133 #define PLATFORM_MUTEX_LOCK(m)  argument
134 #define PLATFORM_MUTEX_UNLOCK(m)   argument
135 #define PLATFORM_MUTEX_DESTROY(m)   argument
217     ICUMutex *m;  in umtx_lock()  local
222     m = (ICUMutex *)*mutex;  in umtx_lock()
223     if (m == NULL) {  in umtx_lock()
228         m = (ICUMutex *)*mutex;  in umtx_lock()
230     U_ASSERT(m->owner == mutex);  in umtx_lock()
233         (*pMutexLockFn)(gMutexContext, &m->userMutex);  in umtx_lock()
235         PLATFORM_MUTEX_LOCK(&m->platformMutex);  in umtx_lock()
239     m->recursionCount++;              /* Recursion causes deadlock on Unixes.               */  in umtx_lock()
240     U_ASSERT(m->recursionCount == 1); /* Recursion detection works on Windows.              */  in umtx_lock()
254     ICUMutex *m;  in umtx_unlock()  local
258     m = (ICUMutex *)*mutex;  in umtx_unlock()
259     if (m == NULL) {  in umtx_unlock()
263     U_ASSERT(m->owner == mutex);  in umtx_unlock()
266     m->recursionCount--;  in umtx_unlock()
267     U_ASSERT(m->recursionCount == 0);  /* Detect unlock of an already unlocked mutex */  in umtx_unlock()
271         (*pMutexUnlockFn)(gMutexContext, &m->userMutex);  in umtx_unlock()
273         PLATFORM_MUTEX_UNLOCK(&m->platformMutex);  in umtx_unlock()
281 static ICUMutex *umtx_ct(ICUMutex *m) {  in umtx_ct()  argument
282     if (m == NULL) {  in umtx_ct()
283         m = (ICUMutex *)uprv_malloc(sizeof(ICUMutex));  in umtx_ct()
284         m->heapAllocated = TRUE;  in umtx_ct()
286     m->next = NULL;    /* List of mutexes is maintained at a higher level.  */  in umtx_ct()
287     m->recursionCount = 0;  in umtx_ct()
288     m->userMutex = NULL;  in umtx_ct()
291         (*pMutexInitFn)(gMutexContext, &m->userMutex, &status);  in umtx_ct()
294         PLATFORM_MUTEX_INIT(&m->platformMutex);  in umtx_ct()
296     return m;  in umtx_ct()
303 static void umtx_dt(ICUMutex *m) {  in umtx_dt()  argument
305         (*pMutexDestroyFn)(gMutexContext, &m->userMutex);  in umtx_dt()
306         m->userMutex = NULL;  in umtx_dt()
308         PLATFORM_MUTEX_DESTROY(&m->platformMutex);  in umtx_dt()
311     if (m->heapAllocated) {  in umtx_dt()
312         uprv_free(m);  in umtx_dt()
319     ICUMutex *m = NULL;  in umtx_init()  local
330         m = &globalMutex;  in umtx_init()
334     m = umtx_ct(m);  in umtx_init()
335     originalValue = SYNC_COMPARE_AND_SWAP(mutex, NULL, m);  in umtx_init()
337         umtx_dt(m);  in umtx_init()
341     m->owner = mutex;  in umtx_init()
348     m->next = mutexListHead;  in umtx_init()
349     mutexListHead = m;  in umtx_init()
364     ICUMutex *m;  in umtx_destroy()  local
374     m = (ICUMutex *)*mutex;  in umtx_destroy()
375     if (m == NULL) {  /* Mutex not initialized, or already destroyed.  */  in umtx_destroy()
379     U_ASSERT(m->owner == mutex);  in umtx_destroy()
380     if (m->owner != mutex) {  in umtx_destroy()
386     if (mutexListHead == m) {  in umtx_destroy()
387         mutexListHead = m->next;  in umtx_destroy()
390         for (prev = mutexListHead; prev!=NULL && prev->next!=m; prev = prev->next);  in umtx_destroy()
393             prev->next = m->next;  in umtx_destroy()
398     umtx_dt(m);        /* Delete the internal ICUMutex   */  in umtx_destroy()