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

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1 a.dunfey 1.21.18.1 //%2006////////////////////////////////////////////////////////////////////////
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 a.dunfey 1.21.18.1 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; 12 // EMC Corporation; Symantec Corporation; The Open Group.
13 mike 1.2 // 14 // Permission is hereby granted, free of charge, to any person obtaining a copy 15 // of this software and associated documentation files (the "Software"), to 16 // deal in the Software without restriction, including without limitation the 17 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 18 // sell copies of the Software, and to permit persons to whom the Software is 19 // furnished to do so, subject to the following conditions:
20 kumpf 1.5 //
21 mike 1.2 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN 22 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED 23 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 24 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 25 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 26 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 27 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 29 // 30 //============================================================================== 31 //
32 kumpf 1.9 // Author: Markus Mueller (markus_mueller@de.ibm.com)
33 mike 1.2 //
34 kumpf 1.9 // Modified By: Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)
35 kumpf 1.10 // : Yi Zhou, Hewlett-Packard Company (yi_zhou@hp.com)
36 mike 1.2 // 37 //%///////////////////////////////////////////////////////////////////////////// 38
39 kumpf 1.9 #ifndef Pegasus_Signal_h 40 #define Pegasus_Signal_h
41 mike 1.2
42 kumpf 1.9 #include <Pegasus/Common/Linkage.h> 43 #include <Pegasus/Common/IPC.h>
44 mike 1.3
45 mike 1.2 // // Ensure Unix 98 46 // #ifdef PEGASUS_PLATFORM_LINUX_IX86_GNU 47 // #ifndef _GNU_SOURCE 48 // #define _GNU_SOURCE 49 // #endif 50 // #else 51 // #ifdef _XOPEN_SOURCE 52 // #undef _XOPEN_SOURCE 53 // #endif 54 // #define _XOPEN_SOURCE 600 55 // #endif 56
57 kumpf 1.9 #ifdef PEGASUS_HAS_SIGNALS 58 59 # include <signal.h> 60 typedef siginfo_t PEGASUS_SIGINFO_T; 61 # define PEGASUS_SIGHUP SIGHUP 62 # define PEGASUS_SIGABRT SIGABRT 63 # define PEGASUS_SIGPIPE SIGPIPE
64 kumpf 1.13 # define PEGASUS_SIGTERM SIGTERM
65 kumpf 1.10 # define PEGASUS_SIGUSR1 SIGUSR1
66 kumpf 1.15 # define PEGASUS_SIGCHLD SIGCHLD
67 kumpf 1.9 68 #else // PEGASUS_HAS_SIGNALS 69 70 typedef void PEGASUS_SIGINFO_T; 71 # define PEGASUS_SIGHUP 1 72 # define PEGASUS_SIGABRT 11 73 # define PEGASUS_SIGPIPE 13
74 kumpf 1.13 # define PEGASUS_SIGTERM 15
75 kumpf 1.11 # define PEGASUS_SIGUSR1 16
76 kumpf 1.15 # define PEGASUS_SIGCHLD 18
77 kumpf 1.9 78 #endif // PEGASUS_HAS_SIGNALS 79
80 mike 1.2
81 david.dillard 1.16 #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) \|\| (PEGASUS_OS_SOLARIS)
82 sage 1.6 extern "C" { 83 #endif 84
85 kumpf 1.9 typedef void (* signal_handler)(int, PEGASUS_SIGINFO_T , void );
86 sage 1.6
87 david.dillard 1.16 #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) \|\| (PEGASUS_OS_SOLARIS)
88 sage 1.6 } 89 #endif
90 mike 1.2
91 kumpf 1.9 // Sample signal handler for SIGABRT that stops the failing thread normally 92 void sig_act(int s_n, PEGASUS_SIGINFO_T * s_info, void * sig);
93 mike 1.2 94 PEGASUS_NAMESPACE_BEGIN 95 96 class PEGASUS_COMMON_LINKAGE SignalHandler 97 {
98 david.dillard 1.18 public: 99 SignalHandler();
100 mike 1.2
101 david.dillard 1.18 ~SignalHandler(); // deactivate all registered handlers
102 mike 1.2
103 david.dillard 1.18 // these functions should throw exceptions
104 mike 1.2
105 david.dillard 1.20 void registerHandler(unsigned signum, signal_handler _sighandler);
106 mike 1.2
107 david.dillard 1.20 void activate(unsigned signum);
108 mike 1.2
109 david.dillard 1.18 //void activateAll();
110 mike 1.2
111 david.dillard 1.20 void deactivate(unsigned signum);
112 mike 1.2
113 david.dillard 1.18 void deactivateAll();
114 mike 1.2
115 david.dillard 1.20 static void ignore(unsigned signum);
116 mike 1.2
117 david.dillard 1.18 private:
118 mike 1.2
119 kumpf 1.9 #ifdef PEGASUS_HAS_SIGNALS
120 david.dillard 1.20 enum 121 { 122 PEGASUS_NSIG = 32 123 }; 124 125 static void verifySignum(unsigned signum);
126 kumpf 1.9
127 david.dillard 1.18 typedef struct { 128 int signum; 129 int active; 130 signal_handler sh; 131 struct sigaction oldsa; 132 } register_handler;
133 mike 1.2
134 david.dillard 1.18 register_handler reg_handler[PEGASUS_NSIG + 1]; 135 Mutex reg_mutex; 136
137 david.dillard 1.19 void deactivate_i(register_handler &rh);
138 david.dillard 1.18
139 david.dillard 1.20 register_handler &getHandler(unsigned sigum);
140 kumpf 1.9 #endif
141 mike 1.2 142 }; 143
144 kumpf 1.12 PEGASUS_COMMON_LINKAGE SignalHandler * getSigHandle();
145 mike 1.2 146 PEGASUS_NAMESPACE_END 147
148 kumpf 1.9 #endif // Pegasus_Signal_h

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