xref: /llvm-project/libc/src/signal/linux/sigemptyset.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
166d00febSPaula Toth //===-- Linux implementation of sigemptyset -------------------------------===//
2cd76a026SAlex Brachet //
3cd76a026SAlex Brachet // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4cd76a026SAlex Brachet // See https://llvm.org/LICENSE.txt for license information.
5cd76a026SAlex Brachet // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6cd76a026SAlex Brachet //
7cd76a026SAlex Brachet //===----------------------------------------------------------------------===//
8cd76a026SAlex Brachet 
9cd76a026SAlex Brachet #include "src/signal/sigemptyset.h"
10*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
117abf6c25SSiva Chandra Reddy #include "src/errno/libc_errno.h"
12215c9fa4SSiva Chandra Reddy #include "src/signal/linux/signal_utils.h"
13cd76a026SAlex Brachet 
14cd76a026SAlex Brachet #include "src/__support/common.h"
15cd76a026SAlex Brachet 
16215c9fa4SSiva Chandra Reddy #include <signal.h>
17215c9fa4SSiva Chandra Reddy 
18*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
19cd76a026SAlex Brachet 
20a0b65a7bSMichael Jones LLVM_LIBC_FUNCTION(int, sigemptyset, (sigset_t * set)) {
21cd76a026SAlex Brachet   if (!set) {
227abf6c25SSiva Chandra Reddy     libc_errno = EINVAL;
23cd76a026SAlex Brachet     return -1;
24cd76a026SAlex Brachet   }
25215c9fa4SSiva Chandra Reddy   *set = empty_set();
26cd76a026SAlex Brachet   return 0;
27cd76a026SAlex Brachet }
28cd76a026SAlex Brachet 
29*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
30