30 lines · cpp
1//===-- Linux implementation of sigemptyset -------------------------------===//2//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/signal/sigemptyset.h"10#include "src/__support/libc_errno.h"11#include "src/__support/macros/config.h"12#include "src/signal/linux/signal_utils.h"13 14#include "src/__support/common.h"15 16#include <signal.h>17 18namespace LIBC_NAMESPACE_DECL {19 20LLVM_LIBC_FUNCTION(int, sigemptyset, (sigset_t * set)) {21 if (!set) {22 libc_errno = EINVAL;23 return -1;24 }25 *set = empty_set();26 return 0;27}28 29} // namespace LIBC_NAMESPACE_DECL30