| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <signal.h> |
| |
| #include "private/SigSetConverter.h" |
| |
| extern "C" int __rt_sigprocmask(int, const sigset64_t*, sigset64_t*, size_t); |
| |
| // |
| // These need to be kept separate from pthread_sigmask, sigblock, sigsetmask, |
| // sighold, and sigset because libsigchain only intercepts sigprocmask so we |
| // can't allow clang to decide to inline sigprocmask. |
| // |
| |
| int sigprocmask(int how, |
| const sigset_t* bionic_new_set, |
| sigset_t* bionic_old_set) __attribute__((__noinline__)) { |
| SigSetConverter new_set; |
| sigset64_t* new_set_ptr = nullptr; |
| if (bionic_new_set != nullptr) { |
| sigemptyset64(&new_set.sigset64); |
| new_set.sigset = *bionic_new_set; |
| new_set_ptr = &new_set.sigset64; |
| } |
| |
| SigSetConverter old_set; |
| if (sigprocmask64(how, new_set_ptr, &old_set.sigset64) == -1) { |
| return -1; |
| } |
| |
| if (bionic_old_set != nullptr) { |
| *bionic_old_set = old_set.sigset; |
| } |
| |
| return 0; |
| } |
| |
| int sigprocmask64(int how, |
| const sigset64_t* new_set, |
| sigset64_t* old_set) __attribute__((__noinline__)) { |
| return __rt_sigprocmask(how, new_set, old_set, sizeof(*new_set)); |
| } |