pegasus/src/Pegasus/Common/Signal.h - annotate

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1 karl 1.21 //%2005////////////////////////////////////////////////////////////////////////
2 kumpf 1.5 //
3 karl 1.17 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development 4 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. 5 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
6 karl 1.14 // IBM Corp.; EMC Corporation, The Open Group.
7 karl 1.17 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; 8 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
9 karl 1.21 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; 10 // EMC Corporation; VERITAS Software Corporation; The Open Group.
11 mike 1.2 // 12 // Permission is hereby granted, free of charge, to any person obtaining a copy 13 // of this software and associated documentation files (the "Software"), to 14 // deal in the Software without restriction, including without limitation the 15 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 16 // sell copies of the Software, and to permit persons to whom the Software is 17 // furnished to do so, subject to the following conditions:
18 kumpf 1.5 //
19 mike 1.2 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN 20 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED 21 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 22 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 23 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 24 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 25 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 // 28 //============================================================================== 29 //
30 kumpf 1.9 // Author: Markus Mueller (markus_mueller@de.ibm.com)
31 mike 1.2 //
32 kumpf 1.9 // Modified By: Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)
33 kumpf 1.10 // : Yi Zhou, Hewlett-Packard Company (yi_zhou@hp.com)
34 mike 1.2 // 35 //%///////////////////////////////////////////////////////////////////////////// 36
37 kumpf 1.9 #ifndef Pegasus_Signal_h 38 #define Pegasus_Signal_h
39 mike 1.2
40 kumpf 1.9 #include <Pegasus/Common/Linkage.h> 41 #include <Pegasus/Common/IPC.h>
42 mike 1.3
43 mike 1.2 // // Ensure Unix 98 44 // #ifdef PEGASUS_PLATFORM_LINUX_IX86_GNU 45 // #ifndef _GNU_SOURCE 46 // #define _GNU_SOURCE 47 // #endif 48 // #else 49 // #ifdef _XOPEN_SOURCE 50 // #undef _XOPEN_SOURCE 51 // #endif 52 // #define _XOPEN_SOURCE 600 53 // #endif 54
55 kumpf 1.9 #ifdef PEGASUS_HAS_SIGNALS 56 57 # include <signal.h> 58 typedef siginfo_t PEGASUS_SIGINFO_T; 59 # define PEGASUS_SIGHUP SIGHUP 60 # define PEGASUS_SIGABRT SIGABRT 61 # define PEGASUS_SIGPIPE SIGPIPE
62 kumpf 1.13 # define PEGASUS_SIGTERM SIGTERM
63 kumpf 1.10 # define PEGASUS_SIGUSR1 SIGUSR1
64 kumpf 1.15 # define PEGASUS_SIGCHLD SIGCHLD
65 kumpf 1.9 66 #else // PEGASUS_HAS_SIGNALS 67 68 typedef void PEGASUS_SIGINFO_T; 69 # define PEGASUS_SIGHUP 1 70 # define PEGASUS_SIGABRT 11 71 # define PEGASUS_SIGPIPE 13
72 kumpf 1.13 # define PEGASUS_SIGTERM 15
73 kumpf 1.11 # define PEGASUS_SIGUSR1 16
74 kumpf 1.15 # define PEGASUS_SIGCHLD 18
75 kumpf 1.9 76 #endif // PEGASUS_HAS_SIGNALS 77
78 mike 1.2
79 david.dillard 1.16 #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) \|\| (PEGASUS_OS_SOLARIS)
80 sage 1.6 extern "C" { 81 #endif 82
83 kumpf 1.9 typedef void (* signal_handler)(int, PEGASUS_SIGINFO_T , void );
84 sage 1.6
85 david.dillard 1.16 #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) \|\| (PEGASUS_OS_SOLARIS)
86 sage 1.6 } 87 #endif
88 mike 1.2
89 kumpf 1.9 // Sample signal handler for SIGABRT that stops the failing thread normally 90 void sig_act(int s_n, PEGASUS_SIGINFO_T * s_info, void * sig);
91 mike 1.2 92 PEGASUS_NAMESPACE_BEGIN 93 94 class PEGASUS_COMMON_LINKAGE SignalHandler 95 {
96 david.dillard 1.18 public: 97 SignalHandler();
98 mike 1.2
99 david.dillard 1.18 ~SignalHandler(); // deactivate all registered handlers
100 mike 1.2
101 david.dillard 1.18 // these functions should throw exceptions
102 mike 1.2
103 david.dillard 1.20 void registerHandler(unsigned signum, signal_handler _sighandler);
104 mike 1.2
105 david.dillard 1.20 void activate(unsigned signum);
106 mike 1.2
107 david.dillard 1.18 //void activateAll();
108 mike 1.2
109 david.dillard 1.20 void deactivate(unsigned signum);
110 mike 1.2
111 david.dillard 1.18 void deactivateAll();
112 mike 1.2
113 david.dillard 1.20 static void ignore(unsigned signum);
114 mike 1.2
115 david.dillard 1.18 private:
116 mike 1.2
117 kumpf 1.9 #ifdef PEGASUS_HAS_SIGNALS
118 david.dillard 1.20 enum 119 { 120 PEGASUS_NSIG = 32 121 }; 122 123 static void verifySignum(unsigned signum);
124 kumpf 1.9
125 david.dillard 1.18 typedef struct { 126 int signum; 127 int active; 128 signal_handler sh; 129 struct sigaction oldsa; 130 } register_handler;
131 mike 1.2
132 david.dillard 1.18 register_handler reg_handler[PEGASUS_NSIG + 1]; 133 Mutex reg_mutex; 134
135 david.dillard 1.19 void deactivate_i(register_handler &rh);
136 david.dillard 1.18
137 david.dillard 1.20 register_handler &getHandler(unsigned sigum);
138 kumpf 1.9 #endif
139 mike 1.2 140 }; 141
142 kumpf 1.12 PEGASUS_COMMON_LINKAGE SignalHandler * getSigHandle();
143 mike 1.2 144 PEGASUS_NAMESPACE_END 145
146 kumpf 1.9 #endif // Pegasus_Signal_h

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