[xiph-commits] r3030 - liboggplay/trunk/src/liboggplay

[shans at svn.annodex.net]

Author: shans
Date: 2007-06-24 05:55:23 -0700 (Sun, 24 Jun 2007)
New Revision: 3030

Added:
   liboggplay/trunk/src/liboggplay/std_semaphore.h
Log:
The cross-platform semaphore implementation.  Note that win and mac ppl will
need to figure out the appropriate #define for their platforms (this aint
firefox-land any more, toto)



Added: liboggplay/trunk/src/liboggplay/std_semaphore.h
===================================================================
--- liboggplay/trunk/src/liboggplay/std_semaphore.h	                        (rev 0)
+++ liboggplay/trunk/src/liboggplay/std_semaphore.h	2007-06-24 12:55:23 UTC (rev 3030)
@@ -0,0 +1,97 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Initial Developer of the Original Code is
+ * CSIRO
+ * Portions created by the Initial Developer are Copyright (C) 2007
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Shane Stephens, Michael Martin
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */    
+
+#ifndef _STD_SEMAPHORE_H
+#define _STD_SEMAPHORE_H
+#if defined(linux)
+#include <semaphore.h>
+#define SEM_CREATE(p,s) sem_init(&(p), 1, s) 
+#define SEM_SIGNAL(p)   sem_post(&(p))
+#define SEM_WAIT(p)     sem_wait(&(p))
+#define SEM_CLOSE(p)    sem_destroy(&(p))
+typedef sem_t           semaphore;
+#elif defined(XP_WIN)
+#include <windows.h>
+#define SEM_CREATE(p,s) p = CreateSemaphore(NULL, (long)(s), (long)(s), NULL)
+#define SEM_SIGNAL(p)   ReleaseSemaphore(p, 1, NULL)
+#define SEM_WAIT(p)     WaitForSingleObject(p, INFINITE)
+#define SEM_TEST(p,s)   p = WaitForSingleObject(s, 0)
+#define SEM_CLOSE(p)    CloseHandle(p)
+typedef HANDLE          semaphore;
+#elif defined(XP_MACOSX)
+#include <Multiprocessing.h>
+#define SEM_CREATE(p,s) MPCreateSemaphore(s, s, &(p))
+#define SEM_SIGNAL(p)   MPSignalSemaphore(p)
+#define SEM_WAIT(p)     MPWaitOnSemaphore(p, kDurationForever)
+#define SEM_CLOSE(p)    MPDeleteSemaphore(p)
+typedef MPSemaphoreID   semaphore;
+#endif
+#endif
+
+/*
+#if defined(XP_UX)
+  sem_init(&(pointers->sem), 1, LIBOGGPLAY_BUFFER_SIZE);
+#elif defined(XP_WIN)
+  pointers->sem = CreateSemaphore(NULL, (long)LIBOGGPLAY_BUFFER_SIZE, 
+    (long)LIBOGGPLAY_BUFFER_SIZE, NULL);
+#elif defined(XP_MACOSX)
+  MPCreateSemaphore(LIBOGGPLAY_BUFFER_SIZE, LIBOGGPLAY_BUFFER_SIZE,
+    &(pointers->sem));
+#endif
+
+#if defined(XP_UX)
+  sem_post(&(ptrs->sem));
+#elif defined(XP_WIN)
+  ReleaseSemaphore(ptrs->sem, 1, NULL);
+#elif defined(XP_MACOSX)
+  MPSignalSemaphore(ptrs->sem);
+#endif
+
+#if defined(XP_UX)
+    sem_wait(&(pointers->sem));
+#elif defined(XP_WIN)
+    WaitForSingleObject(pointers->sem, INFINITE);
+#elif defined(XP_MACOSX)
+    MPWaitOnSemaphore(pointers->sem, kDurationForever);
+#endif
+
+#if defined(XP_UX)
+  sem_destroy(&(pointers->sem));
+#elif defined(XP_WIN)
+  CloseHandle(pointers->sem);
+#elif defined(XP_MACOSX)
+  MPDeleteSemaphore(pointers->sem);
+#endif
+*/
+