1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP_CSIGNAL 11#define _LIBCPP_CSIGNAL 12 13/* 14 csignal synopsis 15 16Macros: 17 18 SIG_DFL 19 SIG_ERR 20 SIG_IGN 21 SIGABRT 22 SIGFPE 23 SIGILL 24 SIGINT 25 SIGSEGV 26 SIGTERM 27 28namespace std 29{ 30 31Types: 32 33 sig_atomic_t 34 35void (*signal(int sig, void (*func)(int)))(int); 36int raise(int sig); 37 38} // std 39 40*/ 41 42#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) 43# include <__cxx03/csignal> 44#else 45# include <__config> 46 47// <signal.h> is not provided by libc++ 48# if __has_include(<signal.h>) 49# include <signal.h> 50# ifdef _LIBCPP_SIGNAL_H 51# error "If libc++ starts defining <signal.h>, the __has_include check should move to libc++'s <signal.h>" 52# endif 53# endif 54 55# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 56# pragma GCC system_header 57# endif 58 59_LIBCPP_BEGIN_NAMESPACE_STD 60 61using ::sig_atomic_t _LIBCPP_USING_IF_EXISTS; 62using ::signal _LIBCPP_USING_IF_EXISTS; 63using ::raise _LIBCPP_USING_IF_EXISTS; 64 65_LIBCPP_END_NAMESPACE_STD 66 67#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) 68 69#endif // _LIBCPP_CSIGNAL 70