1//===-- Linux implementation of sigaddset ---------------------------------===//
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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/signal/sigaddset.h"
10
11#include "hdr/types/sigset_t.h"
12#include "src/__support/common.h"
13#include "src/__support/libc_errno.h"
14#include "src/__support/macros/config.h"
15#include "src/signal/linux/signal_utils.h"
16
17namespace LIBC_NAMESPACE_DECL {
18
19LLVM_LIBC_FUNCTION(int, sigaddset, (sigset_t * set, int signum)) {
20 if (set != nullptr && add_signal(*set, signum))
21 return 0;
22 libc_errno = EINVAL;
23 return -1;
24}
25
26} // namespace LIBC_NAMESPACE_DECL
27

source code of libc/src/signal/linux/sigaddset.cpp