if OS_IS_WIN32
PA_THREAD_OBJS = \
- pulsecore/once-win32.c pulsecore/once.h \
pulsecore/mutex-win32.c pulsecore/mutex.h \
pulsecore/thread-win32.c pulsecore/thread.h \
- pulsecore/semaphore.h
-#pulsecore/semaphore-win32.c pulsecore/semaphore.h
+ pulsecore/semaphore-win32.c pulsecore/semaphore.h
else
PA_THREAD_OBJS = \
- pulsecore/atomic.h \
- pulsecore/once-posix.c pulsecore/once.h \
pulsecore/mutex-posix.c pulsecore/mutex.h \
pulsecore/thread-posix.c pulsecore/thread.h \
pulsecore/semaphore-posix.c pulsecore/semaphore.h
pulsecore/flist.c pulsecore/flist.h \
pulsecore/object.c pulsecore/object.h \
pulsecore/msgobject.c pulsecore/msgobject.h \
+ pulsecore/once.c pulsecore/once.h \
$(PA_THREAD_OBJS)
if OS_IS_WIN32
pulsecore/rtpoll.c pulsecore/rtpoll.h \
pulsecore/rtclock.c pulsecore/rtclock.h \
pulsecore/macro.h \
+ pulsecore/once.c pulsecore/once.h \
$(PA_THREAD_OBJS)
if OS_IS_WIN32
+++ /dev/null
-/* $Id$ */
-
-/***
- This file is part of PulseAudio.
-
- Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
-
- PulseAudio 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 of the License,
- or (at your option) any later version.
-
- PulseAudio 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
- General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with PulseAudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <assert.h>
-#include <stdio.h>
-
-#include <windows.h>
-
-#include <pulsecore/mutex.h>
-
-#include "once.h"
-
-void pa_once(pa_once_t *control, pa_once_func_t func) {
- HANDLE mutex;
- char name[64];
-
- assert(control);
- assert(func);
-
- /* Create the global mutex */
- sprintf(name, "pulse%d", (int)GetCurrentProcessId());
-
- mutex = CreateMutex(NULL, FALSE, name);
- assert(mutex);
-
- /* Create the local mutex */
- WaitForSingleObject(mutex, INFINITE);
- if (!control->mutex)
- control->mutex = pa_mutex_new(1);
- ReleaseMutex(mutex);
-
- CloseHandle(mutex);
-
- /* Execute function */
- pa_mutex_lock(control->mutex);
- if (!control->once_value) {
- control->once_value = 1;
- func();
- }
- pa_mutex_unlock(control->mutex);
-
- /* Caveat: We have to make sure that the once func has completed
- * before returning, even if the once func is not actually
- * executed by us. Hence the awkward locking. */
-}