| //===-- Darwin 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 "hdr/types/sigset_t.h" | |
| #include "src/__support/common.h" | |
| #include "src/__support/libc_errno.h" | |
| #include "src/__support/macros/config.h" | |
| namespace LIBC_NAMESPACE_DECL { | |
| LLVM_LIBC_FUNCTION(int, sigdelset, (sigset_t * set, int signum)) { | |
| if (!set || signum <= 0 || signum >= NSIG) { | |
| libc_errno = EINVAL; | |
| return -1; | |
| } | |
| set->__signals[0] &= ~(1U << (signum - 1)); | |
| return 0; | |
| } | |
| } // namespace LIBC_NAMESPACE_DECL |