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/errno/libc_errno.h"
14#include "src/signal/linux/signal_utils.h"
15
16namespace LIBC_NAMESPACE {
17
18LLVM_LIBC_FUNCTION(int, sigaddset, (sigset_t * set, int signum)) {
19 if (set != nullptr && add_signal(set&: *set, signal: signum))
20 return 0;
21 libc_errno = EINVAL;
22 return -1;
23}
24
25} // namespace LIBC_NAMESPACE
26

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