| //===-- Linux implementation of sigaddset ---------------------------------===// |
| // |
| // 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/sigaddset.h" |
| #include "include/errno.h" // For E* macros. |
| #include "src/errno/llvmlibc_errno.h" |
| #include "src/signal/linux/signal.h" |
| |
| #include "src/__support/common.h" |
| |
| namespace __llvm_libc { |
| |
| LLVM_LIBC_FUNCTION(int, sigaddset, (sigset_t * set, int signum)) { |
| if (!set || (unsigned)(signum - 1) >= (8 * sizeof(sigset_t))) { |
| llvmlibc_errno = EINVAL; |
| return -1; |
| } |
| auto *sigset = reinterpret_cast<__llvm_libc::Sigset *>(set); |
| sigset->addset(signum); |
| return 0; |
| } |
| |
| } // namespace __llvm_libc |