| //===-- Linux implementation of sigprocmask -------------------------------===// |
| // |
| // 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/sigprocmask.h" |
| #include "src/errno/llvmlibc_errno.h" |
| #include "src/signal/linux/signal.h" |
| |
| #include "src/__support/common.h" |
| |
| namespace __llvm_libc { |
| |
| LLVM_LIBC_FUNCTION(int, sigprocmask, |
| (int how, const sigset_t *__restrict set, |
| sigset_t *__restrict oldset)) { |
| int ret = __llvm_libc::syscall(SYS_rt_sigprocmask, how, set, oldset, |
| sizeof(sigset_t)); |
| if (!ret) |
| return 0; |
| |
| llvmlibc_errno = -ret; |
| return -1; |
| } |
| |
| } // namespace __llvm_libc |