source: flair-src/branches/sanscv/lib/FlairCore/src/Mutex_impl.cpp @ 326

Last change on this file since 326 was 324, checked in by Sanahuja Guillaume, 2 years ago

removing opencv dependency

File size: 2.5 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5//  created:    2012/03/14
6//  filename:   Mutex.cpp
7//
8//  author:     Guillaume Sanahuja
9//              Copyright Heudiasyc UMR UTC/CNRS 7253
10//
11//  version:    $Id: $
12//
13//  purpose:    Class defining a mutex
14//
15//
16/*********************************************************************/
17
18#include "Mutex_impl.h"
19#include "Mutex.h"
20#include <string.h>
21
22using std::string;
23using namespace flair::core;
24
25Mutex_impl::Mutex_impl(Mutex *self) {
26  this->self = self;
27#ifdef __XENO__
28  int status = rt_mutex_create(&mutex, NULL);
29  if (status != 0) {
30                char errorMsg[256];
31    self->Err("rt_mutex_create error (%s)\n", strerror_r(-status, errorMsg, sizeof(errorMsg)));
32        }
33#else
34  // flag_locked=false;//revoir l'implementation nrt du is_locked
35  pthread_mutexattr_t attr;
36  if (pthread_mutexattr_init(&attr) != 0) {
37    self->Err("pthread_mutexattr_init error\n");
38  }
39  if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) != 0) {
40    self->Err("pthread_mutexattr_settype error\n");
41  }
42  if (pthread_mutex_init(&mutex, &attr) != 0) {
43    self->Err("pthread_mutex_init error\n");
44  }
45  if (pthread_mutexattr_destroy(&attr) != 0) {
46    self->Err("pthread_mutexattr_destroy error\n");
47  }
48#endif
49}
50
51Mutex_impl::~Mutex_impl() {
52  int status;
53       
54#ifdef __XENO__
55  status = rt_mutex_delete(&mutex);
56#else
57  status = pthread_mutex_destroy(&mutex);
58#endif
59  if (status != 0) {
60    char errorMsg[256];
61    self->Err("error destroying mutex (%s)\n", strerror_r(-status, errorMsg, sizeof(errorMsg)));
62  }
63}
64
65void Mutex_impl::GetMutex(void) {
66  int status;
67       
68#ifdef __XENO__
69  status = rt_mutex_acquire(&mutex, TM_INFINITE);
70#else
71  // flag_locked=true;
72  status = pthread_mutex_lock(&mutex);
73#endif
74  if (status != 0) {
75    char errorMsg[256];
76    self->Err("error (%s)\n", strerror_r(-status, errorMsg, sizeof(errorMsg)));
77  }
78}
79
80void Mutex_impl::ReleaseMutex(void) {
81  int status;
82       
83#ifdef __XENO__
84  status = rt_mutex_release(&mutex);
85#else
86  status = pthread_mutex_unlock(&mutex);
87// flag_locked=false;
88#endif
89  if (status != 0) {
90                char errorMsg[256];
91    self->Err("error (%s)\n", strerror_r(-status, errorMsg, sizeof(errorMsg)));
92        }
93}
94
95/*
96bool Mutex_impl::IsLocked(void)
97{
98#ifdef __XENO__
99    RT_MUTEX_INFO info;
100    int status=rt_mutex_inquire(&mutex_rt,&info);
101    if(status!=0) mutex->Err("erreur rt_mutex_inquire (%s)\n",strerror_r(-status, errorMsg, sizeof(errorMsg)));
102    if(info.locked>0) return true;
103    return false;
104#else
105    return flag_locked;
106#endif
107}
108*/
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