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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "../config.h"
#include "gdk.h"
#include "gdkprivate.h"
#ifdef USE_PTHREADS
#include <unistd.h>
#include <pthread.h>
pthread_mutex_t gdk_threads_mutex = PTHREAD_MUTEX_INITIALIZER;
#endif /* USE_PTHREADS */
gboolean
gdk_threads_init (void)
{
#ifdef USE_PTHREADS
pipe (gdk_threads_pipe);
gdk_using_threads = TRUE;
return TRUE;
#else
return FALSE;
#endif
}
void
gdk_threads_enter (void)
{
#ifdef USE_PTHREADS
pthread_mutex_lock (&gdk_threads_mutex);
#endif
}
void
gdk_threads_leave (void)
{
#ifdef USE_PTHREADS
pthread_mutex_unlock (&gdk_threads_mutex);
#endif
}
void
gdk_threads_wake (void)
{
#ifdef USE_PTHREADS
if (gdk_select_waiting)
{
gdk_select_waiting = FALSE;
write (gdk_threads_pipe[1], "A", 1);
}
#endif
}
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