From d80b24f3802323d2525ffcf2d50e5bc273a3e219 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Wed, 12 Aug 2015 14:59:37 +0200
Subject: [PATCH] (Vita) We can implement mutexes properly for Vita

---
 libretro-common/rthreads/psp_pthread.h | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/libretro-common/rthreads/psp_pthread.h b/libretro-common/rthreads/psp_pthread.h
index fb681c49ea..66e9010e62 100644
--- a/libretro-common/rthreads/psp_pthread.h
+++ b/libretro-common/rthreads/psp_pthread.h
@@ -24,9 +24,13 @@
 #ifndef _PSP_PTHREAD_WRAP__
 #define _PSP_PTHREAD_WRAP__
 
+#ifdef VITA
+#include <psp2/kernel/threadmgr.h>
+#else
 #include <pspkernel.h>
 #include <pspthreadman.h>
 #include <pspthreadman_kernel.h>
+#endif
 #include <stdio.h>
 #include <retro_inline.h>
 
@@ -78,24 +82,40 @@ static INLINE int pthread_mutex_init(pthread_mutex_t *mutex,
 {
    sprintf(name_buffer, "0x%08X", (uint32_t) mutex);
 
+#ifdef VITA
+   return *mutex = sceKernelCreateMutex(name_buffer, 0, 0, 0);
+#else
    return *mutex = sceKernelCreateSema(name_buffer, 0, 1, 1, NULL);
+#endif
 }
 
 static INLINE int pthread_mutex_destroy(pthread_mutex_t *mutex)
 {
+#ifdef VITA
+   return sceKernelDeleteMutex(*mutex);
+#else
    return sceKernelDeleteSema(*mutex);
+#endif
 }
 
 static INLINE int pthread_mutex_lock(pthread_mutex_t *mutex)
 {
-   //FIXME: stub
+#ifdef VITA
+   return sceKernelLockMutex(*mutex, 1, 0);
+#else
+   /* FIXME: stub */
    return 1;
+#endif
 }
 
 static INLINE int pthread_mutex_unlock(pthread_mutex_t *mutex)
 {
-   //FIXME: stub
+#ifdef VITA
+   return sceKernelUnlockMutex(*mutex, 1);
+#else
+   /* FIXME: stub */
    return 1;
+#endif
 }