From 7fe60435bce6595a9c58a9bfd8244d74b5320e96 Mon Sep 17 00:00:00 2001 From: Benjamin Franzke Date: Tue, 15 Jan 2013 08:46:13 +0100 Subject: Import DirectFB141_2k11R3_beta5 --- Source/DirectFB/lib/voodoo/mutex.c | 105 +++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100755 Source/DirectFB/lib/voodoo/mutex.c (limited to 'Source/DirectFB/lib/voodoo/mutex.c') diff --git a/Source/DirectFB/lib/voodoo/mutex.c b/Source/DirectFB/lib/voodoo/mutex.c new file mode 100755 index 0000000..dcc287d --- /dev/null +++ b/Source/DirectFB/lib/voodoo/mutex.c @@ -0,0 +1,105 @@ +/* + (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 , + Andreas Hundt , + Sven Neumann , + Ville Syrjälä and + Claudio Ciccani . + + 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. +*/ + +#include + +#include + +#include "mutex.h" + +/**********************************************************************************************************************/ + +DirectResult +direct_mutex_init( DirectMutex *mutex ) +{ + if (pthread_mutex_init( &mutex->lock, NULL )) + return errno2result( errno ); + + return DR_OK; +} + +DirectResult +direct_recursive_mutex_init( DirectMutex *mutex ) +{ + DirectResult ret = DR_OK; + int result; + pthread_mutexattr_t attr; + + pthread_mutexattr_init( &attr ); +#if HAVE_DECL_PTHREAD_MUTEX_RECURSIVE + pthread_mutexattr_settype( &attr, PTHREAD_MUTEX_RECURSIVE ); +#endif + result = pthread_mutex_init( &mutex->lock, &attr ); + if (result) { + ret = errno2result( errno ); + D_PERROR( "Direct/Mutex: Could not initialize recursive mutex!\n" ); + } + + pthread_mutexattr_destroy( &attr ); + + return (DirectResult) ret; +} + +__attribute__((no_instrument_function)) +DirectResult +direct_mutex_lock( DirectMutex *mutex ) +{ + if (pthread_mutex_lock( &mutex->lock )) + return errno2result( errno ); + + return DR_OK; +} + +__attribute__((no_instrument_function)) +DirectResult +direct_mutex_unlock( DirectMutex *mutex ) +{ + if (pthread_mutex_unlock( &mutex->lock )) + return errno2result( errno ); + + return DR_OK; +} + +DirectResult +direct_mutex_trylock( DirectMutex *mutex ) +{ + if (pthread_mutex_trylock( &mutex->lock )) + return errno2result( errno ); + + return DR_OK; +} + +DirectResult +direct_mutex_deinit( DirectMutex *mutex ) +{ + if (pthread_mutex_destroy( &mutex->lock )) + return errno2result( errno ); + + return DR_OK; +} + -- cgit