1 //===---------- Linux implementation of the POSIX clock_gettime function --===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #include "src/time/clock_gettime.h"
10 #include "src/__support/common.h"
11 #include "src/__support/macros/config.h"
12 #include "src/__support/time/linux/clock_gettime.h"
13 #include "src/errno/libc_errno.h"
15 namespace LIBC_NAMESPACE_DECL
{
17 // TODO(michaelrj): Move this into time/linux with the other syscalls.
18 LLVM_LIBC_FUNCTION(int, clock_gettime
,
19 (clockid_t clockid
, struct timespec
*ts
)) {
20 auto result
= internal::clock_gettime(clockid
, ts
);
22 // A negative return value indicates an error with the magnitude of the
23 // value being the error code.
24 if (!result
.has_value()) {
25 libc_errno
= result
.error();
31 } // namespace LIBC_NAMESPACE_DECL