| //===-- Implementation of sigsetjmp_epilogue ------------------------------===// |
| // |
| // 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/setjmp/sigsetjmp_epilogue.h" |
| #include "src/__support/OSUtil/syscall.h" |
| #include "src/__support/common.h" |
| #include "src/signal/sigprocmask.h" |
| |
| namespace LIBC_NAMESPACE_DECL { |
| [[gnu::returns_twice]] int sigsetjmp_epilogue(sigjmp_buf buffer, int retval) { |
| syscall_impl<long>(sigprocmask, SIG_SETMASK, |
| /* set= */ retval ? &buffer->sigmask : nullptr, |
| /* old_set= */ retval ? nullptr : &buffer->sigmask); |
| return retval; |
| } |
| } // namespace LIBC_NAMESPACE_DECL |
