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53 lines
1.3 KiB
53 lines
1.3 KiB
/* |
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* Copyright (C) 2007-2016 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/* |
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* Some OS specific dribs and drabs (locking etc). |
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*/ |
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#if !defined(_WIN32) |
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#include <pthread.h> |
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#endif |
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#include "logger.h" |
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#if !defined(_WIN32) |
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static pthread_mutex_t log_init_lock = PTHREAD_MUTEX_INITIALIZER; |
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#endif |
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LIBLOG_HIDDEN void __android_log_lock() { |
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#if !defined(_WIN32) |
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/* |
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* If we trigger a signal handler in the middle of locked activity and the |
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* signal handler logs a message, we could get into a deadlock state. |
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*/ |
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pthread_mutex_lock(&log_init_lock); |
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#endif |
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} |
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LIBLOG_HIDDEN int __android_log_trylock() { |
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#if !defined(_WIN32) |
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return pthread_mutex_trylock(&log_init_lock); |
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#else |
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return 0; |
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#endif |
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} |
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LIBLOG_HIDDEN void __android_log_unlock() { |
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#if !defined(_WIN32) |
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pthread_mutex_unlock(&log_init_lock); |
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#endif |
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}
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