xref: /freebsd/contrib/llvm-project/libcxx/include/csignal (revision 3750ccefb8629a08890bfbae894dd6bc6a7483b4)
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#include <__config>
43
44// <signal.h> is not provided by libc++
45#if __has_include(<signal.h>)
46#  include <signal.h>
47#  ifdef _LIBCPP_SIGNAL_H
48#    error "If libc++ starts defining <signal.h>, the __has_include check should move to libc++'s <signal.h>"
49#  endif
50#endif
51
52#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
53#  pragma GCC system_header
54#endif
55
56_LIBCPP_BEGIN_NAMESPACE_STD
57
58using ::sig_atomic_t _LIBCPP_USING_IF_EXISTS;
59using ::signal _LIBCPP_USING_IF_EXISTS;
60using ::raise _LIBCPP_USING_IF_EXISTS;
61
62_LIBCPP_END_NAMESPACE_STD
63
64#endif // _LIBCPP_CSIGNAL
65