mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-21 07:27:30 +00:00
133 lines
3.4 KiB
C++
133 lines
3.4 KiB
C++
/*
|
|
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include "webrtc/system_wrappers/source/condition_variable_posix.h"
|
|
|
|
#include <errno.h>
|
|
#if defined(WEBRTC_LINUX)
|
|
#include <time.h>
|
|
#else
|
|
#include <sys/time.h>
|
|
#endif
|
|
|
|
#include "webrtc/system_wrappers/source/critical_section_posix.h"
|
|
|
|
namespace webrtc {
|
|
|
|
ConditionVariableWrapper* ConditionVariablePosix::Create() {
|
|
ConditionVariablePosix* ptr = new ConditionVariablePosix;
|
|
if (!ptr) {
|
|
return NULL;
|
|
}
|
|
|
|
const int error = ptr->Construct();
|
|
if (error) {
|
|
delete ptr;
|
|
return NULL;
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|
|
ConditionVariablePosix::ConditionVariablePosix() {
|
|
}
|
|
|
|
int ConditionVariablePosix::Construct() {
|
|
#ifdef WEBRTC_CLOCK_TYPE_REALTIME
|
|
pthread_cond_init(&cond_, NULL);
|
|
#else
|
|
int result = 0;
|
|
pthread_condattr_t cond_attr;
|
|
result = pthread_condattr_init(&cond_attr);
|
|
if (result != 0) {
|
|
return -1;
|
|
}
|
|
result = pthread_condattr_setclock(&cond_attr, CLOCK_MONOTONIC);
|
|
if (result != 0) {
|
|
return -1;
|
|
}
|
|
result = pthread_cond_init(&cond_, &cond_attr);
|
|
if (result != 0) {
|
|
return -1;
|
|
}
|
|
result = pthread_condattr_destroy(&cond_attr);
|
|
if (result != 0) {
|
|
return -1;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
ConditionVariablePosix::~ConditionVariablePosix() {
|
|
pthread_cond_destroy(&cond_);
|
|
}
|
|
|
|
void ConditionVariablePosix::SleepCS(CriticalSectionWrapper& crit_sect) {
|
|
CriticalSectionPosix* cs = reinterpret_cast<CriticalSectionPosix*>(
|
|
&crit_sect);
|
|
pthread_cond_wait(&cond_, &cs->mutex_);
|
|
}
|
|
|
|
bool ConditionVariablePosix::SleepCS(CriticalSectionWrapper& crit_sect,
|
|
unsigned long max_time_inMS) {
|
|
const unsigned long INFINITE = 0xFFFFFFFF;
|
|
const int MILLISECONDS_PER_SECOND = 1000;
|
|
#ifndef WEBRTC_LINUX
|
|
const int MICROSECONDS_PER_MILLISECOND = 1000;
|
|
#endif
|
|
const int NANOSECONDS_PER_SECOND = 1000000000;
|
|
const int NANOSECONDS_PER_MILLISECOND = 1000000;
|
|
|
|
CriticalSectionPosix* cs = reinterpret_cast<CriticalSectionPosix*>(
|
|
&crit_sect);
|
|
|
|
if (max_time_inMS != INFINITE) {
|
|
timespec ts;
|
|
#ifndef WEBRTC_MAC
|
|
#ifdef WEBRTC_CLOCK_TYPE_REALTIME
|
|
clock_gettime(CLOCK_REALTIME, &ts);
|
|
#else
|
|
clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
#endif
|
|
#else // WEBRTC_MAC
|
|
struct timeval tv;
|
|
gettimeofday(&tv, 0);
|
|
ts.tv_sec = tv.tv_sec;
|
|
ts.tv_nsec = tv.tv_usec * MICROSECONDS_PER_MILLISECOND;
|
|
#endif
|
|
|
|
ts.tv_sec += max_time_inMS / MILLISECONDS_PER_SECOND;
|
|
ts.tv_nsec +=
|
|
(max_time_inMS
|
|
- ((max_time_inMS / MILLISECONDS_PER_SECOND) * MILLISECONDS_PER_SECOND))
|
|
* NANOSECONDS_PER_MILLISECOND;
|
|
|
|
if (ts.tv_nsec >= NANOSECONDS_PER_SECOND) {
|
|
ts.tv_sec += ts.tv_nsec / NANOSECONDS_PER_SECOND;
|
|
ts.tv_nsec %= NANOSECONDS_PER_SECOND;
|
|
}
|
|
const int res = pthread_cond_timedwait(&cond_, &cs->mutex_, &ts);
|
|
return (res == ETIMEDOUT) ? false : true;
|
|
} else {
|
|
pthread_cond_wait(&cond_, &cs->mutex_);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
void ConditionVariablePosix::Wake() {
|
|
pthread_cond_signal(&cond_);
|
|
}
|
|
|
|
void ConditionVariablePosix::WakeAll() {
|
|
pthread_cond_broadcast(&cond_);
|
|
}
|
|
|
|
} // namespace webrtc
|