GroovX: src/rutz/spin_lock_pthreads.cc Source File

00001 
00003 
00004 //
00005 // Copyright (c) 2007-2007 University of Southern California
00006 // Rob Peters <rjpeters at usc dot edu>
00007 //
00008 // created: Wed Sep  5 12:21:04 2007
00009 // commit: $Id: spin_lock_pthreads.cc 10134 2008-03-04 17:58:05Z rjpeters $
00010 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/rutz/spin_lock_pthreads.cc $
00011 //
00012 // --------------------------------------------------------------------
00013 //
00014 // This file is part of GroovX.
00015 //   [http://www.klab.caltech.edu/rjpeters/groovx/]
00016 //
00017 // GroovX is free software; you can redistribute it and/or modify it
00018 // under the terms of the GNU General Public License as published by
00019 // the Free Software Foundation; either version 2 of the License, or
00020 // (at your option) any later version.
00021 //
00022 // GroovX is distributed in the hope that it will be useful, but
00023 // WITHOUT ANY WARRANTY; without even the implied warranty of
00024 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00025 // General Public License for more details.
00026 //
00027 // You should have received a copy of the GNU General Public License
00028 // along with GroovX; if not, write to the Free Software Foundation,
00029 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
00030 //
00032 
00033 #ifndef GROOVX_RUTZ_SPIN_LOCK_PTHREADS_CC_UTC20070905192104_DEFINED
00034 #define GROOVX_RUTZ_SPIN_LOCK_PTHREADS_CC_UTC20070905192104_DEFINED
00035 
00036 #ifdef HAVE_PTHREAD_SPINLOCK_T
00037 
00038 #include "rutz/spin_lock_pthreads.h"
00039 
00040 #include "rutz/sfmt.h"
00041 
00042 #include <string.h>
00043 
00044 rutz::spin_lock_pthreads::spin_lock_pthreads()
00045 {
00046   const int c = pthread_spin_init(&m_lock, 0);
00047   if (c != 0)
00048     {
00049       char buf[256];
00050       strerror_r(c, &buf[0], sizeof(buf));
00051       buf[sizeof(buf)-1] = '\0';
00052       throw rutz::error(rutz::sfmt("pthread_spin_init() failed (%s)",
00053                                    &buf[0]),
00054                         SRC_POS);
00055     }
00056 }
00057 
00058 rutz::spin_lock_pthreads::~spin_lock_pthreads()
00059 {
00060   pthread_spin_destroy(&m_lock);
00061 }
00062 
00063 #endif // HAVE_PTHREAD_SPINLOCK_T
00064 
00065 static const char vcid_groovx_rutz_spin_lock_pthreads_cc_utc20070905192104[] = "$Id: spin_lock_pthreads.cc 10134 2008-03-04 17:58:05Z rjpeters $ $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/rutz/spin_lock_pthreads.cc $";
00066 #endif // !GROOVX_RUTZ_SPIN_LOCK_PTHREADS_CC_UTC20070905192104DEFINED