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Add some infrastructure for better thread-safety.

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This commit is contained in:
David Reid
2016-10-19 21:42:43 +10:00
parent 9698068d3e
commit 59feeafc03
1 changed files with 99 additions and 0 deletions
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mini_al.h
+99
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@@ -98,9 +98,11 @@ typedef void* mal_ptr;
#ifdef MAL_WIN32
typedef mal_handle mal_thread;
typedef mal_handle mal_mutex;
typedef mal_handle mal_event;
#else
typedef pthread_t mal_thread;
typedef pthread_mutex_t mal_mutex;
typedef struct
{
pthread_mutex_t mutex;
@@ -209,6 +211,7 @@ struct mal_device
mal_send_proc onSend;
mal_log_proc onLog;
void* pUserData; // Application defined data.
mal_mutex lock;
mal_event wakeupEvent;
mal_event startEvent;
mal_event stopEvent;
@@ -763,6 +766,32 @@ void mal_sleep__win32(mal_uint32 milliseconds)
}
mal_bool32 mal_mutex_create__win32(mal_mutex* pMutex)
{
*pMutex = CreateEventA(NULL, FALSE, TRUE, NULL);
if (*pMutex == NULL) {
return DR_FALSE;
}
return DR_TRUE;
}
void mal_mutex_delete__win32(mal_mutex* pMutex)
{
CloseHandle(*pMutex);
}
void mal_mutex_lock__win32(mal_mutex* pMutex)
{
WaitForSingleObject(*pMutex, INFINITE);
}
void mal_mutex_unlock__win32(mal_mutex* pMutex)
{
SetEvent(*pMutex);
}
mal_bool32 mal_event_create__win32(mal_event* pEvent)
{
*pEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
@@ -807,6 +836,27 @@ void mal_sleep__posix(mal_uint32 milliseconds)
}
mal_bool32 mal_mutex_create__posix(mal_mutex* pMutex)
{
return pthread_mutex_init(pMutex, NULL) == 0;
}
void mal_mutex_delete__posix(mal_mutex* pMutex)
{
pthread_mutex_destroy(pMutex);
}
void mal_mutex_lock__posix(mal_mutex* pMutex)
{
pthread_mutex_lock(pMutex);
}
void mal_mutex_unlock__posix(mal_mutex* pMutex)
{
pthread_mutex_unlock(pMutex);
}
mal_bool32 mal_event_create__posix(mal_event* pEvent)
{
if (pthread_mutex_init(&pEvent->mutex, NULL) != 0) {
@@ -890,6 +940,55 @@ void mal_sleep(mal_uint32 milliseconds)
}
mal_bool32 mal_mutex_create(mal_mutex* pMutex)
{
if (pMutex == NULL) return MAL_FALSE;
#ifdef MAL_WIN32
return mal_mutex_create__win32(pMutex);
#endif
#ifdef MAL_POSIX
return mal_mutex_create__posix(pMutex);
#endif
}
void mal_mutex_delete(mal_mutex* pMutex)
{
if (pMutex == NULL) return;
#ifdef MAL_WIN32
mal_mutex_delete__win32(pMutex);
#endif
#ifdef MAL_POSIX
mal_mutex_delete__posix(pMutex);
#endif
}
void mal_mutex_lock(mal_mutex* pMutex)
{
if (pMutex == NULL) return;
#ifdef MAL_WIN32
mal_mutex_lock__win32(pMutex);
#endif
#ifdef MAL_POSIX
mal_mutex_lock__posix(pMutex);
#endif
}
void mal_mutex_unlock(mal_mutex* pMutex)
{
if (pMutex == NULL) return;
#ifdef MAL_WIN32
mal_mutex_unlock__win32(pMutex);
#endif
#ifdef MAL_POSIX
mal_mutex_unlock__posix(pMutex);
#endif
}
mal_bool32 mal_event_create(mal_event* pEvent)
{
if (pEvent == NULL) return MAL_FALSE;