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File: [Pegasus] / pegasus / src / Pegasus / Common / Signal.h
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Revision: 1.26, Wed Feb 20 09:46:30 2008 UTC (16 years, 4 months ago) by marek Branch: MAIN Changes since 1.25: +15 -13 lines BUG#:7435 TITLE: CIM Server has to honor Unix System Services shutdown DESCRIPTION: |
//%2006//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation, The Open Group. // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; Symantec Corporation; The Open Group. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // //============================================================================== // //%///////////////////////////////////////////////////////////////////////////// #ifndef Pegasus_Signal_h #define Pegasus_Signal_h #include <Pegasus/Common/Linkage.h> #include <Pegasus/Common/Mutex.h> // // Ensure Unix 98 // #ifdef PEGASUS_PLATFORM_LINUX_IX86_GNU // #ifndef _GNU_SOURCE // #define _GNU_SOURCE // #endif // #else // #ifdef _XOPEN_SOURCE // #undef _XOPEN_SOURCE // #endif // #define _XOPEN_SOURCE 600 // #endif #ifdef PEGASUS_HAS_SIGNALS # include <signal.h> typedef siginfo_t PEGASUS_SIGINFO_T; # define PEGASUS_SIGHUP SIGHUP # define PEGASUS_SIGABRT SIGABRT # define PEGASUS_SIGPIPE SIGPIPE # define PEGASUS_SIGTERM SIGTERM # define PEGASUS_SIGUSR1 SIGUSR1 # define PEGASUS_SIGCHLD SIGCHLD # define PEGASUS_SIGDANGER SIGDANGER #else // PEGASUS_HAS_SIGNALS typedef void PEGASUS_SIGINFO_T; # define PEGASUS_SIGHUP 1 # define PEGASUS_SIGABRT 11 # define PEGASUS_SIGPIPE 13 # define PEGASUS_SIGTERM 15 # define PEGASUS_SIGUSR1 16 # define PEGASUS_SIGCHLD 18 # define PEGASUS_SIGDANGER 33 #endif // PEGASUS_HAS_SIGNALS #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) || (PEGASUS_OS_SOLARIS) extern "C" { #endif typedef void (* signal_handler)(int, PEGASUS_SIGINFO_T *, void *); #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) || (PEGASUS_OS_SOLARIS) } #endif // Sample signal handler for SIGABRT that stops the failing thread normally void sig_act(int s_n, PEGASUS_SIGINFO_T * s_info, void * sig); PEGASUS_NAMESPACE_BEGIN class PEGASUS_COMMON_LINKAGE SignalHandler { public: SignalHandler(); ~SignalHandler(); // deactivate all registered handlers // these functions should throw exceptions void registerHandler(unsigned signum, signal_handler _sighandler); void activate(unsigned signum); //void activateAll(); void deactivate(unsigned signum); void deactivateAll(); static void ignore(unsigned signum); static void defaultAction(unsigned signum); private: #ifdef PEGASUS_HAS_SIGNALS enum { PEGASUS_NSIG = 33 }; static void verifySignum(unsigned signum); typedef struct { int signum; int active; signal_handler sh; struct sigaction oldsa; } register_handler; register_handler reg_handler[PEGASUS_NSIG + 1]; Mutex reg_mutex; void deactivate_i(register_handler &rh); register_handler &getHandler(unsigned sigum); #endif }; PEGASUS_COMMON_LINKAGE SignalHandler * getSigHandle(); PEGASUS_NAMESPACE_END #endif // Pegasus_Signal_h
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