1/*
2 * Copyright 2016-present Facebook, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#pragma once
18
19#ifndef _WIN32
20#include <sys/syscall.h>
21
22#if defined(__APPLE__)
23#define FOLLY_SYS_gettid SYS_thread_selfid
24#elif defined(SYS_gettid)
25#define FOLLY_SYS_gettid SYS_gettid
26#else
27#define FOLLY_SYS_gettid __NR_gettid
28#endif
29#endif
30