diff options
Diffstat (limited to 'Alc/ALc.c')
-rw-r--r-- | Alc/ALc.c | 90 |
1 files changed, 50 insertions, 40 deletions
@@ -411,6 +411,7 @@ static pthread_once_t alc_config_once = PTHREAD_ONCE_INIT; /////////////////////////////////////////////////////// // ALC Related helper functions static void ReleaseALC(ALCboolean doclose); +static void ReleaseThreadCtx(void *ptr); static void alc_initconfig(void); #define DO_INITCONFIG() pthread_once(&alc_config_once, alc_initconfig) @@ -499,7 +500,7 @@ static void alc_init(void) if(str && (strcasecmp(str, "true") == 0 || strtol(str, NULL, 0) == 1)) ZScale = -1.0; - pthread_key_create(&LocalContext, NULL); + pthread_key_create(&LocalContext, ReleaseThreadCtx); InitializeCriticalSection(&ListLock); ThunkInit(); } @@ -1307,24 +1308,21 @@ ALCvoid UnlockContext(ALCcontext *context) */ ALCcontext *GetLockedContext(void) { - ALCcontext *pContext = NULL; + ALCcontext *context = NULL; - LockLists(); - - pContext = pthread_getspecific(LocalContext); - if(pContext && !IsContext(pContext)) + context = pthread_getspecific(LocalContext); + if(context) + LockContext(context); + else { - pthread_setspecific(LocalContext, NULL); - pContext = NULL; + LockLists(); + context = GlobalContext; + if(context) + LockContext(context); + UnlockLists(); } - if(!pContext) - pContext = GlobalContext; - if(pContext) - LockContext(pContext); - UnlockLists(); - - return pContext; + return context; } @@ -1406,10 +1404,24 @@ static ALCvoid FreeContext(ALCcontext *context) free(context); } +static void ALCcontext_IncRef(ALCcontext *context) +{ + RefCount ref; + ref = IncrementRef(&context->ref); + TRACE("%p refcount increment to %d\n", context, ref); +} + static void ALCcontext_DecRef(ALCcontext *context) { - if(DecrementRef(&context->ref) == 0) - FreeContext(context); + RefCount ref; + ref = DecrementRef(&context->ref); + TRACE("%p refcount decrement to %d\n", context, ref); + if(ref == 0) FreeContext(context); +} + +static void ReleaseThreadCtx(void *ptr) +{ + ALCcontext_DecRef(ptr); } /////////////////////////////////////////////////////// @@ -2140,16 +2152,13 @@ ALC_API ALCcontext* ALC_APIENTRY alcGetCurrentContext(ALCvoid) { ALCcontext *Context; - LockLists(); Context = pthread_getspecific(LocalContext); - if(Context && !IsContext(Context)) - { - pthread_setspecific(LocalContext, NULL); - Context = NULL; - } if(!Context) + { + LockLists(); Context = GlobalContext; - UnlockLists(); + UnlockLists(); + } return Context; } @@ -2161,20 +2170,9 @@ ALC_API ALCcontext* ALC_APIENTRY alcGetCurrentContext(ALCvoid) */ ALC_API ALCcontext* ALC_APIENTRY alcGetThreadContext(void) { - ALCcontext *pContext = NULL; - - LockLists(); - - pContext = pthread_getspecific(LocalContext); - if(pContext && !IsContext(pContext)) - { - pthread_setspecific(LocalContext, NULL); - pContext = NULL; - } - - UnlockLists(); - - return pContext; + ALCcontext *Context; + Context = pthread_getspecific(LocalContext); + return Context; } @@ -2213,7 +2211,11 @@ ALC_API ALCboolean ALC_APIENTRY alcMakeContextCurrent(ALCcontext *context) if(context == NULL || IsContext(context)) { GlobalContext = context; - pthread_setspecific(LocalContext, NULL); + if((context=pthread_getspecific(LocalContext)) != NULL) + { + pthread_setspecific(LocalContext, NULL); + ALCcontext_DecRef(context); + } } else { @@ -2239,7 +2241,15 @@ ALC_API ALCboolean ALC_APIENTRY alcSetThreadContext(ALCcontext *context) // context must be a valid Context or NULL if(context == NULL || IsContext(context)) - pthread_setspecific(LocalContext, context); + { + ALCcontext *old = pthread_getspecific(LocalContext); + if(old != context) + { + if(context) ALCcontext_IncRef(context); + pthread_setspecific(LocalContext, context); + if(old) ALCcontext_DecRef(old); + } + } else { alcSetError(NULL, ALC_INVALID_CONTEXT); |