From 7fe60435bce6595a9c58a9bfd8244d74b5320e96 Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Tue, 15 Jan 2013 08:46:13 +0100
Subject: Import DirectFB141_2k11R3_beta5

---
 Source/DirectFB/lib/voodoo/waitqueue.h | 117 +++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100755 Source/DirectFB/lib/voodoo/waitqueue.h

(limited to 'Source/DirectFB/lib/voodoo/waitqueue.h')

diff --git a/Source/DirectFB/lib/voodoo/waitqueue.h b/Source/DirectFB/lib/voodoo/waitqueue.h
new file mode 100755
index 0000000..ab163ce
--- /dev/null
+++ b/Source/DirectFB/lib/voodoo/waitqueue.h
@@ -0,0 +1,117 @@
+/*
+   (c) Copyright 2001-2008  The world wide DirectFB Open Source Community (directfb.org)
+   (c) Copyright 2000-2004  Convergence (integrated media) GmbH
+
+   All rights reserved.
+
+   Written by Denis Oliver Kropp <dok@directfb.org>,
+              Andreas Hundt <andi@fischlustig.de>,
+              Sven Neumann <neo@directfb.org>,
+              Ville Syrjälä <syrjala@sci.fi> and
+              Claudio Ciccani <klan@users.sf.net>.
+
+   This library 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.
+
+   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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser 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.
+*/
+
+#ifndef __DIRECT__OS__LINUX__GLIBC__WAITQUEUE_H__
+#define __DIRECT__OS__LINUX__GLIBC__WAITQUEUE_H__
+
+#include <pthread.h>
+
+#include <direct/util.h>
+
+#include "mutex.h"
+
+/**********************************************************************************************************************/
+
+typedef struct {
+     pthread_cond_t      cond;
+} DirectWaitQueue;
+
+/**********************************************************************************************************************/
+
+#define DIRECT_WAITQUEUE_INITIALIZER(name)            { PTHREAD_COND_INITIALIZER }
+
+/**********************************************************************************************************************/
+
+static inline DirectResult
+direct_waitqueue_init( DirectWaitQueue *queue )
+{
+     if (pthread_cond_init( &queue->cond, NULL ))
+          return errno2result( errno );
+
+     return DR_OK;
+}
+
+static inline DirectResult
+direct_waitqueue_wait( DirectWaitQueue *queue, DirectMutex *mutex )
+{
+     if (pthread_cond_wait( &queue->cond, &mutex->lock ))
+          return errno2result( errno );
+
+     return DR_OK;
+}
+
+static inline DirectResult
+direct_waitqueue_wait_timeout( DirectWaitQueue *queue, DirectMutex *mutex, unsigned long micros )
+{
+     struct timeval  now;
+     struct timespec timeout;
+     long int        nano_seconds = micros * 1000;
+
+     gettimeofday( &now, NULL );
+
+     timeout.tv_sec  = now.tv_sec;
+     timeout.tv_nsec = (now.tv_usec * 1000) + nano_seconds;
+
+     timeout.tv_sec  += timeout.tv_nsec / 1000000000;
+     timeout.tv_nsec %= 1000000000;
+
+     if (pthread_cond_timedwait( &queue->cond, &mutex->lock, &timeout ) == ETIMEDOUT)
+          return DR_TIMEOUT;
+
+     return DR_OK;
+}
+
+static inline DirectResult
+direct_waitqueue_signal( DirectWaitQueue *queue )
+{
+     if (pthread_cond_signal( &queue->cond ))
+          return errno2result( errno );
+
+     return DR_OK;
+}
+
+static inline DirectResult
+direct_waitqueue_broadcast( DirectWaitQueue *queue )
+{
+     if (pthread_cond_broadcast( &queue->cond ))
+          return errno2result( errno );
+
+     return DR_OK;
+}
+
+static inline DirectResult
+direct_waitqueue_deinit( DirectWaitQueue *queue )
+{
+     if (pthread_cond_destroy( &queue->cond ))
+          return errno2result( errno );
+
+     return DR_OK;
+}
+
+#endif
+
-- 
cgit