2 * Copyright (C) 2016 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef ANDROID_AUDIO_FUTEX_H
18 #define ANDROID_AUDIO_FUTEX_H
20 // FIXME futex portion is not supported on macOS, should use the macOS alternative
24 #include <linux/futex.h>
25 #include <sys/syscall.h>
29 #define FUTEX_WAIT_PRIVATE 0
31 #define FUTEX_WAKE_PRIVATE 0
35 int sys_futex(void *addr1, int op, int val1, const struct timespec *timeout, void *addr2,
39 return syscall(SYS_futex, addr1, op, val1, timeout, addr2, val3);
41 // macOS doesn't have futex
53 #endif // !ANDROID_AUDIO_FUTEX_H