1 //===-- Linux implementation of sigprocmask -------------------------------===// 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/sigprocmask.h" 10 #include "src/errno/llvmlibc_errno.h" 11 #include "src/signal/linux/signal.h" 12 13 #include "src/__support/common.h" 14 15 namespace __llvm_libc { 16 LLVM_LIBC_ENTRYPOINT(sigprocmask)17int LLVM_LIBC_ENTRYPOINT(sigprocmask)(int how, const sigset_t *__restrict set, 18 sigset_t *__restrict oldset) { 19 int ret = __llvm_libc::syscall(SYS_rt_sigprocmask, how, set, oldset, 20 sizeof(sigset_t)); 21 if (!ret) 22 return 0; 23 24 llvmlibc_errno = -ret; 25 return -1; 26 } 27 28 } // namespace __llvm_libc 29