/[svn]/linuxsampler/trunk/src/common/Mutex.cpp
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Diff of /linuxsampler/trunk/src/common/Mutex.cpp

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revision 165 by senkov, Thu Jul 1 04:25:55 2004 UTC revision 830 by persson, Sun Jan 15 18:23:11 2006 UTC
# Line 20  Line 20 
20   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
21   ***************************************************************************/   ***************************************************************************/
22    
23    #ifdef HAVE_CONFIG_H
24    # include <config.h>
25    #endif
26    
27    #ifndef _GNU_SOURCE
28    # define _GNU_SOURCE 1 /* so _XOPEN_SOURCE will be defined by features.h */
29    #endif
30    
31    #ifdef HAVE_FEATURES_H
32    # include <features.h>
33    #endif
34    
35    #if !defined(_XOPEN_SOURCE) || _XOPEN_SOURCE < 500
36    # undef _XOPEN_SOURCE
37    # define _XOPEN_SOURCE 500 /* to define PTHREAD_MUTEX_ERRORCHECK */
38    # warning "Seems you don't have a UNIX98 compatible system."
39    # warning "Please run LinuxSampler's selftest to make sure this won't be a problem!"
40    # warning "(compile tests with 'make tests', run them with 'src/testcases/linuxsamplertest')"
41    #endif
42    
43  #include <iostream>  #include <iostream>
44    #include <errno.h>
45    #include <stdlib.h> /* for exit(int) */
46    
47  #include "Mutex.h"  #include "Mutex.h"
48    
49  Mutex::Mutex() {  Mutex::Mutex() {
50        // the following function call only works on UNIX98 compatible systems
51        #if (_XOPEN_SOURCE > 500)
52      if (pthread_mutexattr_settype(&__posix_mutexattr, PTHREAD_MUTEX_ERRORCHECK)) {      if (pthread_mutexattr_settype(&__posix_mutexattr, PTHREAD_MUTEX_ERRORCHECK)) {
53          std::cout << "Mutex Constructor: Fatal error - unable to pthread_mutexattr_settype(PTHREAD_MUTEX_ERRORCHECK)\n" << std::flush;          std::cout << "Mutex Constructor: Fatal error - unable to pthread_mutexattr_settype(PTHREAD_MUTEX_ERRORCHECK)\n" << std::flush;
54          exit(-1);          exit(-1);
55      }      }
56        #endif
57      pthread_mutex_init(&__posix_mutex, &__posix_mutexattr);      pthread_mutex_init(&__posix_mutex, &__posix_mutexattr);
58  }  }
59    
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