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authorSND\weimingzhi_cp <SND\weimingzhi_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97>2011-02-19 02:25:15 +0000
committerSND\weimingzhi_cp <SND\weimingzhi_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97>2011-02-19 02:25:15 +0000
commit3fc56dbe4ad7e9deaeaef8c209a68e1de986f6fa (patch)
treec27c3a79fb402b0b3e47f23b434baddc4ce8a5c6 /macosx/plugins/Common/SDL/include/SDL_mutex.h
parentbc54761a4332b875e1962a21f2858db598fa7c18 (diff)
downloadpcsxr-3fc56dbe4ad7e9deaeaef8c209a68e1de986f6fa.tar.gz
-Reverted some changes to make the code build again on Tiger.
-Removed x86_64 from Deployment configuration. -macosx: Use SDL for sound plugin, removed Carbon backend. -(MaddTheSane)Fixed memory leaks (Patch #8427). git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@63548 e17a0e51-4ae3-4d35-97c3-1a29b211df97
Diffstat (limited to 'macosx/plugins/Common/SDL/include/SDL_mutex.h')
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1 files changed, 223 insertions, 0 deletions
diff --git a/macosx/plugins/Common/SDL/include/SDL_mutex.h b/macosx/plugins/Common/SDL/include/SDL_mutex.h
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+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2010 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+
+#ifndef _SDL_mutex_h
+#define _SDL_mutex_h
+
+/**
+ * \file SDL_mutex.h
+ *
+ * Functions to provide thread synchronization primitives.
+ */
+
+#include "SDL_stdinc.h"
+#include "SDL_error.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+extern "C" {
+/* *INDENT-ON* */
+#endif
+
+/**
+ * Synchronization functions which can time out return this value
+ * if they time out.
+ */
+#define SDL_MUTEX_TIMEDOUT 1
+
+/**
+ * This is the timeout value which corresponds to never time out.
+ */
+#define SDL_MUTEX_MAXWAIT (~(Uint32)0)
+
+
+/**
+ * \name Mutex functions
+ */
+/*@{*/
+
+/* The SDL mutex structure, defined in SDL_mutex.c */
+struct SDL_mutex;
+typedef struct SDL_mutex SDL_mutex;
+
+/**
+ * Create a mutex, initialized unlocked.
+ */
+extern DECLSPEC SDL_mutex *SDLCALL SDL_CreateMutex(void);
+
+/**
+ * Lock the mutex.
+ *
+ * \return 0, or -1 on error.
+ */
+#define SDL_LockMutex(m) SDL_mutexP(m)
+extern DECLSPEC int SDLCALL SDL_mutexP(SDL_mutex * mutex);
+
+/**
+ * Unlock the mutex.
+ *
+ * \return 0, or -1 on error.
+ *
+ * \warning It is an error to unlock a mutex that has not been locked by
+ * the current thread, and doing so results in undefined behavior.
+ */
+#define SDL_UnlockMutex(m) SDL_mutexV(m)
+extern DECLSPEC int SDLCALL SDL_mutexV(SDL_mutex * mutex);
+
+/**
+ * Destroy a mutex.
+ */
+extern DECLSPEC void SDLCALL SDL_DestroyMutex(SDL_mutex * mutex);
+
+/*@}*//*Mutex functions*/
+
+
+/**
+ * \name Semaphore functions
+ */
+/*@{*/
+
+/* The SDL semaphore structure, defined in SDL_sem.c */
+struct SDL_semaphore;
+typedef struct SDL_semaphore SDL_sem;
+
+/**
+ * Create a semaphore, initialized with value, returns NULL on failure.
+ */
+extern DECLSPEC SDL_sem *SDLCALL SDL_CreateSemaphore(Uint32 initial_value);
+
+/**
+ * Destroy a semaphore.
+ */
+extern DECLSPEC void SDLCALL SDL_DestroySemaphore(SDL_sem * sem);
+
+/**
+ * This function suspends the calling thread until the semaphore pointed
+ * to by \c sem has a positive count. It then atomically decreases the
+ * semaphore count.
+ */
+extern DECLSPEC int SDLCALL SDL_SemWait(SDL_sem * sem);
+
+/**
+ * Non-blocking variant of SDL_SemWait().
+ *
+ * \return 0 if the wait succeeds, ::SDL_MUTEX_TIMEDOUT if the wait would
+ * block, and -1 on error.
+ */
+extern DECLSPEC int SDLCALL SDL_SemTryWait(SDL_sem * sem);
+
+/**
+ * Variant of SDL_SemWait() with a timeout in milliseconds.
+ *
+ * \return 0 if the wait succeeds, ::SDL_MUTEX_TIMEDOUT if the wait does not
+ * succeed in the allotted time, and -1 on error.
+ *
+ * \warning On some platforms this function is implemented by looping with a
+ * delay of 1 ms, and so should be avoided if possible.
+ */
+extern DECLSPEC int SDLCALL SDL_SemWaitTimeout(SDL_sem * sem, Uint32 ms);
+
+/**
+ * Atomically increases the semaphore's count (not blocking).
+ *
+ * \return 0, or -1 on error.
+ */
+extern DECLSPEC int SDLCALL SDL_SemPost(SDL_sem * sem);
+
+/**
+ * Returns the current count of the semaphore.
+ */
+extern DECLSPEC Uint32 SDLCALL SDL_SemValue(SDL_sem * sem);
+
+/*@}*//*Semaphore functions*/
+
+
+/**
+ * \name Condition variable functions
+ */
+/*@{*/
+
+/* The SDL condition variable structure, defined in SDL_cond.c */
+struct SDL_cond;
+typedef struct SDL_cond SDL_cond;
+
+/**
+ * Create a condition variable.
+ */
+extern DECLSPEC SDL_cond *SDLCALL SDL_CreateCond(void);
+
+/**
+ * Destroy a condition variable.
+ */
+extern DECLSPEC void SDLCALL SDL_DestroyCond(SDL_cond * cond);
+
+/**
+ * Restart one of the threads that are waiting on the condition variable.
+ *
+ * \return 0 or -1 on error.
+ */
+extern DECLSPEC int SDLCALL SDL_CondSignal(SDL_cond * cond);
+
+/**
+ * Restart all threads that are waiting on the condition variable.
+ * \return 0 or -1 on error.
+ */
+extern DECLSPEC int SDLCALL SDL_CondBroadcast(SDL_cond * cond);
+
+/**
+ * Wait on the condition variable, unlocking the provided mutex.
+ *
+ * \warning The mutex must be locked before entering this function!
+ *
+ * The mutex is re-locked once the condition variable is signaled.
+ *
+ * \return 0 when it is signaled, or -1 on error.
+ */
+extern DECLSPEC int SDLCALL SDL_CondWait(SDL_cond * cond, SDL_mutex * mutex);
+
+/**
+ * Waits for at most \c ms milliseconds, and returns 0 if the condition
+ * variable is signaled, ::SDL_MUTEX_TIMEDOUT if the condition is not
+ * signaled in the allotted time, and -1 on error.
+ *
+ * \warning On some platforms this function is implemented by looping with a
+ * delay of 1 ms, and so should be avoided if possible.
+ */
+extern DECLSPEC int SDLCALL SDL_CondWaitTimeout(SDL_cond * cond,
+ SDL_mutex * mutex, Uint32 ms);
+
+/*@}*//*Condition variable functions*/
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+}
+/* *INDENT-ON* */
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_mutex_h */
+
+/* vi: set ts=4 sw=4 expandtab: */