| //===---------- Linux implementation of the POSIX clock_gettime 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/clock_gettime.h" |
| #include "src/__support/common.h" |
| #include "src/__support/time/linux/clock_gettime.h" |
| #include "src/errno/libc_errno.h" |
| |
| namespace LIBC_NAMESPACE { |
| |
| // TODO(michaelrj): Move this into time/linux with the other syscalls. |
| LLVM_LIBC_FUNCTION(int, clock_gettime, |
| (clockid_t clockid, struct timespec *ts)) { |
| auto result = internal::clock_gettime(clockid, ts); |
| |
| // A negative return value indicates an error with the magnitude of the |
| // value being the error code. |
| if (!result.has_value()) { |
| libc_errno = result.error(); |
| return -1; |
| } |
| return 0; |
| } |
| |
| } // namespace LIBC_NAMESPACE |