From c81b3e1533fcfe1529942681121d7b40a663bf85 Mon Sep 17 00:00:00 2001
From: Justin Weiss
Date: Sat, 29 Aug 2020 20:48:12 -0700
Subject: [3DS] Enable threading for the SPU

---
 frontend/3ds/semaphore.h | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 frontend/3ds/semaphore.h

(limited to 'frontend/3ds/semaphore.h')

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__
+
-- 
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