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Migrate to lightweight mutexes

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This commit is contained in:
Ivan Epifanov 2021-04-24 10:16:21 +03:00 committed by Sam Lantinga
parent f1ad942a11
commit e3ea5b6468
1 changed files with 12 additions and 10 deletions
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22
src/thread/vita/SDL_sysmutex.c
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@ -30,28 +30,30 @@
struct SDL_mutex struct SDL_mutex
{ {
SceUID uid; SceKernelLwMutexWork lock;
}; };
/* Create a mutex */ /* Create a mutex */
SDL_mutex * SDL_mutex *
SDL_CreateMutex(void) SDL_CreateMutex(void)
{ {
SDL_mutex *mutex; SDL_mutex *mutex = NULL;
SceInt32 res = 0;
/* Allocate mutex memory */ /* Allocate mutex memory */
mutex = (SDL_mutex *) SDL_malloc(sizeof(*mutex)); mutex = (SDL_mutex *) SDL_malloc(sizeof(*mutex));
if (mutex) { if (mutex) {
mutex->uid = sceKernelCreateMutex("SDL mutex", res = sceKernelCreateLwMutex(
&mutex->lock,
"SDL mutex",
SCE_KERNEL_MUTEX_ATTR_RECURSIVE, SCE_KERNEL_MUTEX_ATTR_RECURSIVE,
0, 0,
NULL NULL
); );
if (mutex->uid <= 0) { if (res < 0) {
printf("Error creating mutex: %x\n", mutex->uid); SDL_SetError("Error trying to create mutex: %x", res);
SDL_OutOfMemory(); // TODO: proper error
} }
} else { } else {
SDL_OutOfMemory(); SDL_OutOfMemory();
@ -64,7 +66,7 @@ void
SDL_DestroyMutex(SDL_mutex * mutex) SDL_DestroyMutex(SDL_mutex * mutex)
{ {
if (mutex) { if (mutex) {
sceKernelDeleteMutex(mutex->uid); sceKernelDeleteLwMutex(&mutex->lock);
SDL_free(mutex); SDL_free(mutex);
} }
} }
@ -81,7 +83,7 @@ SDL_TryLockMutex(SDL_mutex * mutex)
return SDL_SetError("Passed a NULL mutex"); return SDL_SetError("Passed a NULL mutex");
} }
res = sceKernelTryLockMutex(mutex->uid, 1); res = sceKernelTryLockLwMutex(&mutex->lock, 1);
switch (res) { switch (res) {
case SCE_KERNEL_OK: case SCE_KERNEL_OK:
return 0; return 0;
@ -111,7 +113,7 @@ SDL_mutexP(SDL_mutex * mutex)
return SDL_SetError("Passed a NULL mutex"); return SDL_SetError("Passed a NULL mutex");
} }
res = sceKernelLockMutex(mutex->uid, 1, NULL); res = sceKernelLockLwMutex(&mutex->lock, 1, NULL);
if (res != SCE_KERNEL_OK) { if (res != SCE_KERNEL_OK) {
return SDL_SetError("Error trying to lock mutex: %x", res); return SDL_SetError("Error trying to lock mutex: %x", res);
} }
@ -133,7 +135,7 @@ SDL_mutexV(SDL_mutex * mutex)
return SDL_SetError("Passed a NULL mutex"); return SDL_SetError("Passed a NULL mutex");
} }
res = sceKernelUnlockMutex(mutex->uid, 1); res = sceKernelUnlockLwMutex(&mutex->lock, 1);
if (res != 0) { if (res != 0) {
return SDL_SetError("Error trying to unlock mutex: %x", res); return SDL_SetError("Error trying to unlock mutex: %x", res);
} }