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path: root/libc/src/signal/linux/sigdelset.cpp
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//===-- Linux implementation of sigdelset ---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "src/signal/sigdelset.h"
#include "src/__support/common.h"
#include "src/errno/libc_errno.h"
#include "src/signal/linux/signal_utils.h"

#include <signal.h>

namespace __llvm_libc {

LLVM_LIBC_FUNCTION(int, sigdelset, (sigset_t * set, int signum)) {
  if (set != nullptr && delete_signal(*set, signum))
    return 0;
  libc_errno = EINVAL;
  return -1;
}

} // namespace __llvm_libc