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