mirror of
https://github.com/chromium/crashpad.git
synced 2025-01-09 05:35:23 +08:00
7819ecbed6
This folow-up to d2d10d1dc8f3 is for compatibility with 32-bit Android platforms using NDK API 16. isinf() is also caught up in the switch. Change-Id: I652e27061c01afa3dd932f494cc4eeaca4236f40 Reviewed-on: https://chromium-review.googlesource.com/544238 Reviewed-by: Joshua Peraza <jperaza@chromium.org>
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
// Copyright 2014 The Crashpad Authors. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "util/synchronization/semaphore.h"
|
|
|
|
#include <errno.h>
|
|
#include <math.h>
|
|
#include <time.h>
|
|
|
|
#include "base/logging.h"
|
|
#include "base/posix/eintr_wrapper.h"
|
|
|
|
namespace crashpad {
|
|
|
|
#if !defined(OS_MACOSX)
|
|
|
|
namespace {
|
|
|
|
void AddTimespec(const timespec& ts1, const timespec& ts2, timespec* result) {
|
|
result->tv_sec = ts1.tv_sec + ts2.tv_sec;
|
|
result->tv_nsec = ts1.tv_nsec + ts2.tv_nsec;
|
|
if (result->tv_nsec > static_cast<long>(1E9)) {
|
|
++result->tv_sec;
|
|
result->tv_nsec -= static_cast<long>(1E9);
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
Semaphore::Semaphore(int value) {
|
|
PCHECK(sem_init(&semaphore_, 0, value) == 0) << "sem_init";
|
|
}
|
|
|
|
Semaphore::~Semaphore() {
|
|
PCHECK(sem_destroy(&semaphore_) == 0) << "sem_destroy";
|
|
}
|
|
|
|
void Semaphore::Wait() {
|
|
PCHECK(HANDLE_EINTR(sem_wait(&semaphore_)) == 0) << "sem_wait";
|
|
}
|
|
|
|
bool Semaphore::TimedWait(double seconds) {
|
|
DCHECK_GE(seconds, 0.0);
|
|
|
|
if (isinf(seconds)) {
|
|
Wait();
|
|
return true;
|
|
}
|
|
|
|
timespec current_time;
|
|
if (clock_gettime(CLOCK_REALTIME, ¤t_time) != 0) {
|
|
PLOG(ERROR) << "clock_gettime";
|
|
return false;
|
|
}
|
|
timespec timeout;
|
|
timeout.tv_sec = seconds;
|
|
timeout.tv_nsec = (seconds - trunc(seconds)) * 1E9;
|
|
AddTimespec(current_time, timeout, &timeout);
|
|
|
|
int rv = HANDLE_EINTR(sem_timedwait(&semaphore_, &timeout));
|
|
PCHECK(rv == 0 || errno == ETIMEDOUT) << "sem_timedwait";
|
|
return rv == 0;
|
|
}
|
|
|
|
void Semaphore::Signal() {
|
|
PCHECK(sem_post(&semaphore_) == 0) << "sem_post";
|
|
}
|
|
|
|
#endif
|
|
|
|
} // namespace crashpad
|