source: flair-src/trunk/lib/FlairCore/src/ConditionVariable_impl.cpp @ 133

Last change on this file since 133 was 133, checked in by Sanahuja Guillaume, 5 years ago

modif sterror

File size: 2.6 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:    2014/02/07
6//  filename:   ConditionVariable_impl.cpp
7//
8//  author:     Guillaume Sanahuja
9//              Copyright Heudiasyc UMR UTC/CNRS 7253
10//
11//  version:    $Id: $
12//
13//  purpose:    Class defining a condition variable
14//
15//
16/*********************************************************************/
17
18#include "ConditionVariable_impl.h"
19#include "ConditionVariable.h"
20#include "Mutex_impl.h"
21#include <string.h>
22
23using std::string;
24using namespace flair::core;
25
26ConditionVariable_impl::ConditionVariable_impl(ConditionVariable *self) {
27  this->self = self;
28  int status;
29
30#ifdef __XENO__
31  status = rt_cond_create(&m_ResumeCond, NULL);
32#else
33  status = pthread_cond_init(&m_ResumeCond, 0);
34#endif
35  if (status != 0) {
36                char errorMsg[256];
37    self->Err("error creating condition variable (%s)\n", strerror_r(-status, errorMsg, sizeof(errorMsg)));
38        }
39}
40
41ConditionVariable_impl::~ConditionVariable_impl() {
42  int status;
43
44#ifdef __XENO__
45  status = rt_cond_delete(&m_ResumeCond);
46#else
47  status = pthread_cond_destroy(&m_ResumeCond);
48#endif
49  if (status != 0) {
50                char errorMsg[256];
51    self->Err("error destroying condition variable (%s)\n", strerror_r(-status, errorMsg, sizeof(errorMsg)));
52        }
53}
54
55void ConditionVariable_impl::CondWait(void) {
56  int status;
57#ifdef __XENO__
58  status =
59      rt_cond_wait(&m_ResumeCond, &self->Mutex::pimpl_->mutex, TM_INFINITE);
60#else
61  status = pthread_cond_wait(&m_ResumeCond, &self->Mutex::pimpl_->mutex);
62#endif
63  if (status != 0) {
64                char errorMsg[256];
65    self->Err("error (%s)\n", strerror_r(-status, errorMsg, sizeof(errorMsg)));
66        }
67}
68
69bool ConditionVariable_impl::CondWaitUntil(Time date) {
70  int status;
71#ifdef __XENO__
72  status = rt_cond_wait_until(&m_ResumeCond, &self->Mutex::pimpl_->mutex, date);
73#else
74  struct timespec restrict;
75  restrict.tv_sec = date / 1000000000;
76  restrict.tv_nsec = date % 1000000000;
77  status = pthread_cond_timedwait(&m_ResumeCond, &self->Mutex::pimpl_->mutex,
78                                  &restrict);
79#endif
80  if (status == 0)
81    return true;
82  if (status != ETIMEDOUT) {
83                char errorMsg[256];
84    self->Err("error (%s)\n", strerror_r(-status, errorMsg, sizeof(errorMsg)));
85        }
86  return false;
87}
88
89void ConditionVariable_impl::CondSignal(void) {
90  int status;
91#ifdef __XENO__
92  status = rt_cond_signal(&m_ResumeCond);
93#else
94  status = pthread_cond_signal(&m_ResumeCond);
95#endif
96        if (status != 0) {
97                char errorMsg[256];
98    self->Err("error (%s)\n", strerror_r(-status, errorMsg, sizeof(errorMsg)));
99        }
100}
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