| //===-- Implementation of nanosleep function |
| //---------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/time/nanosleep.h" |
| #include "include/sys/syscall.h" // For syscall numbers. |
| #include "src/__support/OSUtil/syscall.h" // For syscall functions. |
| #include "src/__support/common.h" |
| |
| #include <errno.h> |
| |
| namespace __llvm_libc { |
| |
| LLVM_LIBC_FUNCTION(int, nanosleep, |
| (const struct timespec *req, struct timespec *rem)) { |
| int ret = __llvm_libc::syscall_impl(SYS_nanosleep, req, rem); |
| if (ret < 0) { |
| errno = -ret; |
| return -1; |
| } |
| return ret; |
| } |
| |
| } // namespace __llvm_libc |