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68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
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/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "../config.h"
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#include "gdk.h"
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#include "gdkprivate.h"
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#ifdef USE_PTHREADS
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#include <pthread.h>
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pthread_mutex_t gdk_threads_mutex = PTHREAD_MUTEX_INITIALIZER;
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#endif /* USE_PTHREADS */
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gboolean
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gdk_threads_init (void)
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{
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#ifdef USE_PTHREADS
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pipe (gdk_threads_pipe);
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gdk_using_threads = TRUE;
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return TRUE;
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#else
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return FALSE;
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#endif
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}
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void
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gdk_threads_enter (void)
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{
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#ifdef USE_PTHREADS
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pthread_mutex_lock (&gdk_threads_mutex);
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#endif
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}
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void
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gdk_threads_leave (void)
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{
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#ifdef USE_PTHREADS
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pthread_mutex_unlock (&gdk_threads_mutex);
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#endif
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}
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void
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gdk_threads_wake (void)
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{
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#ifdef USE_PTHREADS
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if (gdk_select_waiting)
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{
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gdk_select_waiting = FALSE;
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write (gdk_threads_pipe[1], "A", 1);
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}
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#endif
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}
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