| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_AUDIO_CLOCK_NANOSLEEP_H |
| #define ANDROID_AUDIO_CLOCK_NANOSLEEP_H |
| |
| #include <time.h> |
| #include <unistd.h> |
| |
| #ifdef __linux__ |
| |
| #include <sys/syscall.h> |
| #if defined(__ANDROID__) || defined(ANDROID_HOST_MUSL) |
| // bionic for Android and musl provide clock_nanosleep |
| #define audio_utils_clock_nanosleep clock_nanosleep |
| #else |
| // bionic for desktop Linux omits clock_nanosleep |
| static inline |
| int audio_utils_clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *request, |
| struct timespec *remain) |
| { |
| return syscall(SYS_clock_nanosleep, clock_id, flags, request, remain); |
| } |
| #endif // __ANDROID__ |
| |
| #else // __linux__ |
| |
| // macOS <10.12 doesn't have clockid_t / CLOCK_MONOTONIC |
| #ifndef CLOCK_MONOTONIC |
| typedef int clockid_t; |
| #define CLOCK_MONOTONIC 0 |
| #endif |
| // macOS doesn't have clock_nanosleep |
| static inline |
| int audio_utils_clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *request, |
| struct timespec *remain) |
| { |
| (void) clock_id; |
| (void) flags; |
| (void) request; |
| (void) remain; |
| errno = ENOSYS; |
| return -1; |
| } |
| |
| #endif // __linux__ |
| |
| #endif // !ANDROID_AUDIO_CLOCK_NANOSLEEP_H |