blocxx
SignalScope.hpp
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2* Copyright (C) 2005, Vintela, Inc. All rights reserved.
3* Copyright (C) 2006, Novell, Inc. All rights reserved.
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32
33
37
38#ifndef BLOCXX_SIGNALSCOPE_HPP_INCLUDE_GUARD_
39#define BLOCXX_SIGNALSCOPE_HPP_INCLUDE_GUARD_
40#include "blocxx/BLOCXX_config.h"
41#include <signal.h>
42
43#ifdef BLOCXX_NCR
44#undef SIG_IGN
45#define SIG_IGN (void (*)())1
46#endif
47
48// The classes and functions defined in this file are not meant for general
49// use, they are internal implementation details. They may change at any time.
50
51namespace BLOCXX_NAMESPACE
52{
53
54const int BLOCXX_SIGSEGV = SIGSEGV;
55const int BLOCXX_SIGABRT = SIGABRT;
56#ifdef SIGBUS // NetWare doesn't have this signal
57const int BLOCXX_SIGBUS = SIGBUS;
58#endif
59const int BLOCXX_SIGFPE = SIGFPE;
60
61extern "C" {
62#ifdef BLOCXX_NCR
63typedef void (*sighandler_t)(void);
64#else
65typedef void (*sighandler_t)(int);
66#endif
67}
68
69class BLOCXX_COMMON_API SignalScope
70{
71public:
72 SignalScope( int sig, sighandler_t handler )
73 : m_sig( sig )
74 {
75#ifndef BLOCXX_WIN32
76 struct sigaction saNew;
77 saNew.sa_handler = handler;
78 sigemptyset(&saNew.sa_mask);
79 saNew.sa_flags = 0;
80 sigaction(m_sig, &saNew, &m_oldHandler);
81#endif
82 }
84 {
85#ifndef BLOCXX_WIN32
86 sigaction(m_sig, &m_oldHandler, 0);
87#endif
88 }
89private:
92 int m_sig;
93#ifndef BLOCXX_WIN32
94 struct sigaction m_oldHandler;
95#endif
96};
97
98} // end namespace BLOCXX_NAMESPACE
99
100#endif
SignalScope(int sig, sighandler_t handler)
SignalScope(const SignalScope &)
const SignalScope & operator=(const SignalScope &)
Taken from RFC 1321.
const int BLOCXX_SIGSEGV
const int BLOCXX_SIGFPE
const int BLOCXX_SIGABRT
void(* sighandler_t)(int)