gecko-dev/media/liboggplay/oggplay_os2.patch

diff --git a/media/liboggplay/src/liboggplay/oggplay_private.h b/media/liboggplay/src/liboggplay/oggplay_private.h
--- a/media/liboggplay/src/liboggplay/oggplay_private.h
+++ b/media/liboggplay/src/liboggplay/oggplay_private.h
@@ -62,16 +62,22 @@
 
 #ifdef WIN32
 
 #ifdef HAVE_WINSOCK2
 #include <winsock2.h>
 #else
 #include <winsock.h>
 #endif
+#endif
+
+#ifdef OS2
+#define INCL_DOSSEMAPHORES
+#define INCL_DOSPROCESS
+#include <os2.h>
 #endif
 
 // for Win32 <windows.h> has to be included last
 #include "std_semaphore.h"
 
 /**
  *
  * has_been_presented: 0 until the data has been added as a "required" element,
diff --git a/media/liboggplay/src/liboggplay/oggplay_tools.c b/media/liboggplay/src/liboggplay/oggplay_tools.c
--- a/media/liboggplay/src/liboggplay/oggplay_tools.c
+++ b/media/liboggplay/src/liboggplay/oggplay_tools.c
@@ -53,15 +53,17 @@ oggplay_sys_time_in_ms(void) {
   return (ogg_int64_t)tv.tv_sec * 1000 + (ogg_int64_t)tv.tv_usec / 1000;
 #endif
 }
 
 void
 oggplay_millisleep(long ms) {
 #ifdef WIN32
   Sleep(ms);
+#elif defined(OS2)
+  DosSleep(ms);
 #else
   struct timespec ts = {0, (ogg_int64_t)ms * 1000000LL};
   nanosleep(&ts, NULL);
 #endif
 }
 
 
diff --git a/media/liboggplay/src/liboggplay/os2_semaphore.c b/media/liboggplay/src/liboggplay/os2_semaphore.c
new file mode 100644
--- /dev/null
+++ b/media/liboggplay/src/liboggplay/os2_semaphore.c
@@ -0,0 +1,163 @@
+/* ***** 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 Original Code is the Mozilla browser.
+ *
+ * The Initial Developer of the Original Code is
+ * Richard Walsh
+ * Portions created by the Initial Developer are Copyright (c) 2008
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * 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 ***** *
+ */
+/*****************************************************************************/
+/*  
+ *  This is a conservative implementation of a posix counting semaphore.
+ *  It relies on the state of the underlying OS/2 event semaphore to
+ *  control whether sem_wait() blocks or returns immediately, and only
+ *  uses its count to change the sem's state from posted to reset.
+ *  (A more "activist" approach would use the count to decide whether
+ *  to return immediately or to call DosWaitEventSem().)
+ *  
+ */
+/*****************************************************************************/
+
+#include <stdlib.h>
+#define INCL_DOS
+#include <os2.h>
+#include "os2_semaphore.h"
+
+#ifndef ERROR_SEM_BUSY
+#define ERROR_SEM_BUSY  301
+#endif
+
+#define SEM_WAIT        20000
+
+/*****************************************************************************/
+
+int sem_init(sem_t *sem, int pshared, unsigned value)
+{
+  OS2SEM *    psem;
+
+  if (!sem)
+    return -1;
+  *sem = 0;
+
+  psem = (OS2SEM*)malloc(sizeof(OS2SEM));
+  if (!psem)
+    return -1;
+
+  if (DosCreateMutexSem(0, &psem->hmtx, 0, 0)) {
+    free(psem);
+    return -1;
+  }
+
+  if (DosCreateEventSem(0, &psem->hev, 0, (value ? 1 : 0))) {
+    DosCloseMutexSem(psem->hmtx);
+    free(psem);
+    return -1;
+  }
+
+  psem->cnt = value;
+  *sem = psem;
+  return 0;
+}
+
+/*****************************************************************************/
+
+int sem_wait(sem_t *sem)
+{
+  OS2SEM *    psem;
+  ULONG       cnt;
+
+  if (!sem || !*sem)
+    return -1;
+  psem = *sem;
+
+  if (DosWaitEventSem(psem->hev, -1))
+    return -1;
+
+  if (DosRequestMutexSem(psem->hmtx, SEM_WAIT))
+    return -1;
+
+  if (psem->cnt)
+    psem->cnt--;
+  if (!psem->cnt)
+    DosResetEventSem(psem->hev, &cnt);
+  DosReleaseMutexSem(psem->hmtx);
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+int sem_post(sem_t *sem)
+{
+  OS2SEM *    psem;
+
+  if (!sem || !*sem)
+    return -1;
+  psem = *sem;
+
+  if (!DosRequestMutexSem(psem->hmtx, SEM_WAIT)) {
+    psem->cnt++;
+    DosPostEventSem(psem->hev);
+    DosReleaseMutexSem(psem->hmtx);
+    return 0;
+  }
+
+  return -1;
+}
+
+/*****************************************************************************/
+
+int sem_destroy(sem_t *sem)
+{
+  OS2SEM *    psem;
+
+  if (!sem || !*sem)
+    return -1;
+  psem = *sem;
+
+  if (DosCloseMutexSem(psem->hmtx) == ERROR_SEM_BUSY) {
+    DosRequestMutexSem(psem->hmtx, SEM_WAIT);
+    DosReleaseMutexSem(psem->hmtx);
+    DosCloseMutexSem(psem->hmtx);
+  }
+
+  if (DosCloseEventSem(psem->hev) == ERROR_SEM_BUSY) {
+    DosPostEventSem(psem->hev);
+    DosSleep(1);
+    DosCloseEventSem(psem->hev);
+  }
+
+  free(psem);
+  return 0;
+}
+
+/*****************************************************************************/
+
diff --git a/media/liboggplay/src/liboggplay/os2_semaphore.h b/media/liboggplay/src/liboggplay/os2_semaphore.h
new file mode 100644
--- /dev/null
+++ b/media/liboggplay/src/liboggplay/os2_semaphore.h
@@ -0,0 +1,57 @@
+/* ***** 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 Original Code is the Mozilla browser.
+ *
+ * The Initial Developer of the Original Code is
+ * Richard Walsh
+ * Portions created by the Initial Developer are Copyright (c) 2008
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * 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 _os2_semaphore_
+#define _os2_semaphore_
+
+typedef struct _OS2SEM {
+    HMTX    hmtx;
+    HEV     hev;
+    ULONG   cnt;
+} OS2SEM;
+
+typedef OS2SEM * sem_t;
+
+int sem_init(sem_t *sem, int pshared, unsigned value);
+int sem_wait(sem_t *sem);
+int sem_post(sem_t *sem);
+int sem_destroy(sem_t *sem);
+
+#endif
+/*****************************************************************************/
+
diff --git a/media/liboggplay/src/liboggplay/std_semaphore.h b/media/liboggplay/src/liboggplay/std_semaphore.h
--- a/media/liboggplay/src/liboggplay/std_semaphore.h
+++ b/media/liboggplay/src/liboggplay/std_semaphore.h
@@ -83,16 +83,23 @@ typedef sem_t           semaphore;
 typedef sem_t           semaphore;
 #elif defined(WIN32)
 #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_CLOSE(p)    (!CloseHandle(p))
 typedef HANDLE          semaphore;
+#elif defined(OS2)
+#include "os2_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(__APPLE__)
 #include <Carbon/Carbon.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