1 /*
2 * Copyright (C) 2019 The Android Open Source Project
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 #ifndef SYS_COMPAT_TYPES_H
18 #define SYS_COMPAT_TYPES_H
19
20 #include <sys/cdefs.h>
21 #include <threads.h>
22 #include <zircon/process.h>
23
24 __BEGIN_DECLS
25
26 /*
27 * Zircon does not define an identifier for thread id. Instead
28 * we rely on the handle. This is slightly risky as there is a
29 * chance that other code may replace this handle with a different
30 * one, so we will need to come up with a better solution in the
31 * future. In particular, we should revisit when the Zircon team
32 * determines whether or not to implement actual thread IDs.
33 */
gettid()34 inline pid_t gettid() {
35 return zx_thread_self();
36 }
37
38 __END_DECLS
39
40 #endif // SYS_COMPAT_TYPES_H
41