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//===-- Implementation of timespec_get for Linux --------------------------===//
//
// 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/timespec_get.h"
#include "hdr/time_macros.h"
#include "src/__support/common.h"
#include "src/__support/libc_errno.h"
#include "src/__support/macros/config.h"
#include "src/__support/time/clock_gettime.h"
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(int, timespec_get, (struct timespec * ts, int base)) {
clockid_t clockid;
switch (base) {
case TIME_UTC:
clockid = CLOCK_REALTIME;
break;
case TIME_MONOTONIC:
clockid = CLOCK_MONOTONIC;
break;
case TIME_ACTIVE:
clockid = CLOCK_PROCESS_CPUTIME_ID;
break;
case TIME_THREAD_ACTIVE:
clockid = CLOCK_THREAD_CPUTIME_ID;
break;
default:
return 0;
}
auto result = internal::clock_gettime(clockid, ts);
if (!result.has_value()) {
libc_errno = result.error();
return 0;
}
return base;
}
} // namespace LIBC_NAMESPACE_DECL
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