Merge pull request #456 from justinweiss/3ds-spu-threading

[3DS] Enable threading for the SPU

1 files changed, 35 insertions, 0 deletions

diff --git a/frontend/3ds/semaphore.h b/frontend/3ds/semaphore.h
new file mode 100644
index 0000000..6eddd98
--- /dev/null
+++ b/frontend/3ds/semaphore.h
@@ -0,0 +1,35 @@
+
+#ifndef _3DS_SEMAPHORE_WRAP__
+#define _3DS_SEMAPHORE_WRAP__
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "3ds_utils.h"
+
+typedef uint32_t sem_t;
+
+static inline int sem_init(sem_t *sem, int pshared, unsigned int value)
+{
+   return svcCreateSemaphore(sem, value, INT32_MAX);
+}
+
+static inline int sem_post(sem_t *sem)
+{
+   int32_t count;
+   return svcReleaseSemaphore(&count, *sem, 1);
+}
+
+static inline int sem_wait(sem_t *sem)
+{
+   return svcWaitSynchronization(*sem, INT64_MAX);
+}
+
+static inline int sem_destroy(sem_t *sem)
+{
+   return svcCloseHandle(*sem);
+}
+
+#endif //_3DS_SEMAPHORE_WRAP__
+