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44 lines
1.2 KiB
44 lines
1.2 KiB
/*
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** Copyright (C) 2007, 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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#include <cutils/threads.h>
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#if defined(__APPLE__)
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#include <stdint.h>
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#elif defined(__linux__)
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#include <syscall.h>
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#include <unistd.h>
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#elif defined(_WIN32)
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#include <windows.h>
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#endif
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#if defined(__BIONIC__) || defined(__GLIBC__) && __GLIBC_MINOR__ >= 32
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// No definition needed for Android because we'll just pick up bionic's copy.
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// No definition needed for Glibc >= 2.32 because it exposes its own copy.
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#else
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pid_t gettid() {
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#if defined(__APPLE__)
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uint64_t tid;
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pthread_threadid_np(NULL, &tid);
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return tid;
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#elif defined(__linux__)
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return syscall(__NR_gettid);
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#elif defined(_WIN32)
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return GetCurrentThreadId();
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#endif
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}
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#endif
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