1 files changed, 308 insertions, 0 deletions
diff --git a/frontend/vita/pthread.h b/frontend/vita/pthread.h
new file mode 100644
index 0000000..e1afdc5
--- /dev/null
+++ b/frontend/vita/pthread.h
@@ -0,0 +1,308 @@
+/* Copyright  (C) 2010-2016 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (psp_pthread.h).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* FIXME: unfinished on PSP, mutexes and condition variables basically a stub. */
+#ifndef _PSP_PTHREAD_WRAP__
+#define _PSP_PTHREAD_WRAP__
+
+#ifdef VITA
+#include <psp2/kernel/threadmgr.h>
+#include <sys/time.h>
+#else
+#include <pspkernel.h>
+#include <pspthreadman.h>
+#include <pspthreadman_kernel.h>
+#endif
+#include <stdio.h>
+#include <retro_inline.h>
+
+#define STACKSIZE (8 * 1024)
+
+typedef SceUID pthread_t;
+typedef SceUID pthread_mutex_t;
+typedef void* pthread_mutexattr_t;
+typedef int pthread_attr_t;
+
+typedef struct
+{
+	SceUID mutex;
+	SceUID sema;
+	int waiting;
+} pthread_cond_t;
+
+typedef SceUID pthread_condattr_t;
+
+/* Use pointer values to create unique names for threads/mutexes */
+char name_buffer[256];
+
+typedef void* (*sthreadEntry)(void *argp);
+
+typedef struct
+{
+   void* arg;
+   sthreadEntry start_routine;
+} sthread_args_struct;
+
+
+static int psp_thread_wrap(SceSize args, void *argp)
+{
+   sthread_args_struct* sthread_args = (sthread_args_struct*)argp;
+
+   return (int)sthread_args->start_routine(sthread_args->arg);
+}
+
+static INLINE int pthread_create(pthread_t *thread,
+      const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg)
+{
+   sprintf(name_buffer, "0x%08X", (unsigned int) thread);
+
+#ifdef VITA
+   *thread = sceKernelCreateThread(name_buffer, psp_thread_wrap,
+         0x10000100, 0x10000, 0, 0, NULL);
+#else
+   *thread = sceKernelCreateThread(name_buffer,
+         psp_thread_wrap, 0x20, STACKSIZE, 0, NULL);
+#endif
+
+   sthread_args_struct sthread_args;
+   sthread_args.arg = arg;
+   sthread_args.start_routine = start_routine;
+
+   return sceKernelStartThread(*thread, sizeof(sthread_args), &sthread_args);
+}
+
+static INLINE int pthread_mutex_init(pthread_mutex_t *mutex,
+      const pthread_mutexattr_t *attr)
+{
+   sprintf(name_buffer, "0x%08X", (unsigned int) mutex);
+
+#ifdef VITA
+   *mutex = sceKernelCreateMutex(name_buffer, 0, 0, 0);
+	 if(*mutex<0)
+	 		return *mutex;
+	 return 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)
+{
+#ifdef VITA
+	 int ret = sceKernelLockMutex(*mutex, 1, 0);
+	 return ret;
+
+#else
+   /* FIXME: stub */
+   return 1;
+#endif
+}
+
+static INLINE int pthread_mutex_unlock(pthread_mutex_t *mutex)
+{
+#ifdef VITA
+	int ret = sceKernelUnlockMutex(*mutex, 1);
+	return ret;
+#else
+   /* FIXME: stub */
+   return 1;
+#endif
+}
+
+
+static INLINE int pthread_join(pthread_t thread, void **retval)
+{
+#ifdef VITA
+   int res = sceKernelWaitThreadEnd(thread, 0, 0);
+   if (res < 0)
+      return res;
+   return sceKernelDeleteThread(thread);
+#else
+   SceUInt timeout = (SceUInt)-1;
+   sceKernelWaitThreadEnd(thread, &timeout);
+   exit_status = sceKernelGetThreadExitStatus(thread);
+   sceKernelDeleteThread(thread);
+   return exit_status;
+#endif
+}
+
+static INLINE int pthread_mutex_trylock(pthread_mutex_t *mutex)
+{
+#ifdef VITA
+   return sceKernelTryLockMutex(*mutex, 1 /* not sure about this last param */);
+#else
+   /* FIXME: stub */
+   return 1;
+#endif
+}
+
+static INLINE int pthread_cond_wait(pthread_cond_t *cond,
+      pthread_mutex_t *mutex)
+{
+#ifdef VITA
+   int ret = pthread_mutex_lock(&cond->mutex);
+   if (ret < 0)
+      return ret;
+   ++cond->waiting;
+   pthread_mutex_unlock(mutex);
+   pthread_mutex_unlock(&cond->mutex);
+
+   ret = sceKernelWaitSema(cond->sema, 1, 0);
+   if (ret < 0)
+      sceClibPrintf("Premature wakeup: %08X", ret);
+   pthread_mutex_lock(mutex);
+   return ret;
+#else
+   /* FIXME: stub */
+   sceKernelDelayThread(10000);
+   return 1;
+#endif
+}
+
+static INLINE int pthread_cond_timedwait(pthread_cond_t *cond,
+      pthread_mutex_t *mutex, const struct timespec *abstime)
+{
+#ifdef VITA
+   int ret = pthread_mutex_lock(&cond->mutex);
+   if (ret < 0)
+      return ret;
+   ++cond->waiting;
+   pthread_mutex_unlock(mutex);
+   pthread_mutex_unlock(&cond->mutex);
+
+   SceUInt timeout = 0;
+
+   timeout  = abstime->tv_sec;
+   timeout += abstime->tv_nsec / 1.0e6;
+
+   ret = sceKernelWaitSema(cond->sema, 1, &timeout);
+   if (ret < 0)
+      sceClibPrintf("Premature wakeup: %08X", ret);
+   pthread_mutex_lock(mutex);
+   return ret;
+
+#else
+   /* FIXME: stub */
+   return 1;
+#endif
+}
+
+static INLINE int pthread_cond_init(pthread_cond_t *cond,
+      const pthread_condattr_t *attr)
+{
+#ifdef VITA
+
+	pthread_mutex_init(&cond->mutex,NULL);
+  if(cond->mutex<0){
+    return cond->mutex;
+	}
+  sprintf(name_buffer, "0x%08X", (unsigned int) cond);
+  //cond->sema = sceKernelCreateCond(name_buffer, 0, cond->mutex, 0);
+	cond->sema = sceKernelCreateSema(name_buffer, 0, 0, 1, 0);
+	if(cond->sema<0){
+		pthread_mutex_destroy(&cond->mutex);
+  	return cond->sema;
+	}
+
+	cond->waiting = 0;
+
+
+	return 0;
+
+
+#else
+   /* FIXME: stub */
+   return 1;
+#endif
+}
+
+static INLINE int pthread_cond_signal(pthread_cond_t *cond)
+{
+#ifdef VITA
+	pthread_mutex_lock(&cond->mutex);
+	if (cond->waiting)
+   {
+		--cond->waiting;
+		sceKernelSignalSema(cond->sema, 1);
+	}
+	pthread_mutex_unlock(&cond->mutex);
+	return 0;
+#else
+   /* FIXME: stub */
+   return 1;
+#endif
+}
+
+static INLINE int pthread_cond_broadcast(pthread_cond_t *cond)
+{
+   /* FIXME: stub */
+   return 1;
+}
+
+static INLINE int pthread_cond_destroy(pthread_cond_t *cond)
+{
+#ifdef VITA
+   int ret = sceKernelDeleteSema(cond->sema);
+   if(ret < 0)
+    return ret;
+
+   return sceKernelDeleteMutex(cond->mutex);
+#else
+  /* FIXME: stub */
+  return 1;
+#endif
+}
+
+
+static INLINE int pthread_detach(pthread_t thread)
+{
+   return 0;
+}
+
+static INLINE void pthread_exit(void *retval)
+{
+#ifdef VITA
+   sceKernelExitDeleteThread(sceKernelGetThreadId());
+#endif
+}
+
+static INLINE pthread_t pthread_self(void)
+{
+   /* zero 20-mar-2016: untested */
+   return sceKernelGetThreadId();
+}
+
+static INLINE int pthread_equal(pthread_t t1, pthread_t t2)
+{
+	 return t1 == t2;
+}
+
+#endif //_PSP_PTHREAD_WRAP__