1 //===-- Linux implementation of signal ------------------------------------===// 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/raise.h" 10 #include "src/signal/linux/signal.h" 11 12 #include "src/__support/common.h" 13 14 namespace __llvm_libc { 15 LLVM_LIBC_ENTRYPOINT(raise)16int LLVM_LIBC_ENTRYPOINT(raise)(int sig) { 17 __llvm_libc::Sigset sigset; 18 __llvm_libc::block_all_signals(sigset); 19 long pid = __llvm_libc::syscall(SYS_getpid); 20 long tid = __llvm_libc::syscall(SYS_gettid); 21 int ret = __llvm_libc::syscall(SYS_tgkill, pid, tid, sig); 22 __llvm_libc::restore_signals(sigset); 23 return ret; 24 } 25 26 } // namespace __llvm_libc 27