| /* | 
 |  * Copyright (C) 2012 The Android Open Source Project | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *      http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 |  | 
 | #pragma once | 
 |  | 
 | #include <signal.h> | 
 | #include <string.h> | 
 |  | 
 | #if defined(__GLIBC__) | 
 | #define posix_spawnattr_getsigdefault64 posix_spawnattr_getsigdefault | 
 | #define posix_spawnattr_getsigmask64 posix_spawnattr_getsigmask | 
 | #define posix_spawnattr_setsigdefault64 posix_spawnattr_setsigdefault | 
 | #define posix_spawnattr_setsigmask64 posix_spawnattr_setsigmask | 
 | #define pthread_sigmask64 pthread_sigmask | 
 | #define sigaction64 sigaction | 
 | #define sigaddset64 sigaddset | 
 | #define sigdelset64 sigdelset | 
 | #define sigemptyset64 sigemptyset | 
 | #define sigfillset64 sigfillset | 
 | #define sigismember64 sigismember | 
 | #define sigpending64 sigpending | 
 | #define sigprocmask64 sigprocmask | 
 | #define sigset64_t sigset_t | 
 | #define sigsuspend64 sigsuspend | 
 | #define sigtimedwait64 sigtimedwait | 
 | #define sigwait64 sigwait | 
 | #define sigwaitinfo64 sigwaitinfo | 
 | #endif | 
 |  | 
 | #include "private/ScopedSignalHandler.h" | 
 |  | 
 | class SignalMaskRestorer { | 
 |  public: | 
 |   SignalMaskRestorer() { | 
 |     sigprocmask64(SIG_SETMASK, nullptr, &old_mask_); | 
 |   } | 
 |  | 
 |   ~SignalMaskRestorer() { | 
 |     sigprocmask64(SIG_SETMASK, &old_mask_, nullptr); | 
 |   } | 
 |  | 
 |  private: | 
 |   sigset64_t old_mask_; | 
 | }; |