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/*
* Copyright (C) 2007-2016 The Android Open Source Project
*
* 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.
*/
/*
* Some OS specific dribs and drabs (locking etc).
*/
#if !defined(_WIN32)
#include <pthread.h>
#endif
#include "logger.h"
#if !defined(_WIN32)
static pthread_mutex_t log_init_lock = PTHREAD_MUTEX_INITIALIZER;
#endif
LIBLOG_HIDDEN void __android_log_lock() {
#if !defined(_WIN32)
/*
* If we trigger a signal handler in the middle of locked activity and the
* signal handler logs a message, we could get into a deadlock state.
*/
pthread_mutex_lock(&log_init_lock);
#endif
}
LIBLOG_HIDDEN int __android_log_trylock() {
#if !defined(_WIN32)
return pthread_mutex_trylock(&log_init_lock);
#else
return 0;
#endif
}
LIBLOG_HIDDEN void __android_log_unlock() {
#if !defined(_WIN32)
pthread_mutex_unlock(&log_init_lock);
#endif
}
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