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

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Diff for /pegasus/src/Pegasus/Common/Signal.h between version 1.12 and 1.29

version 1.12, 2003/04/25 01:02:47

version 1.29, 2008/12/02 09:00:52

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//%/////////////////////////////////////////////////////////////////////////////

//%LICENSE////////////////////////////////////////////////////////////////

// The Open Group, Tivoli Systems

// 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.

//==============================================================================

// Licensed to The Open Group (TOG) under one or more contributor license

// agreements. Refer to the OpenPegasusNOTICE.txt file distributed with

// this work for additional information regarding copyright ownership.

// Each contributor licenses this file to you under the OpenPegasus Open

// Source License; you may not use this file except in compliance with the

// License.

// 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.

// Author: Markus Mueller (markus_mueller@de.ibm.com)

//////////////////////////////////////////////////////////////////////////

// Modified By: Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)

// : Yi Zhou, Hewlett-Packard Company (yi_zhou@hp.com)

//%/////////////////////////////////////////////////////////////////////////////

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#define Pegasus_Signal_h

#include <Pegasus/Common/Linkage.h>

#include <Pegasus/Common/IPC.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

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# 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

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# 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)

extern "C" {

#endif

typedef void (* signal_handler)(int, PEGASUS_SIGINFO_T *, void *);

#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM)

}

#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

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// these functions should throw exceptions

void registerHandler(Uint32 signum, signal_handler _sighandler);

/**

Registers a signal handler.

void activate(Uint32 signum);

@param signum The signal number for which to register the handler.

@sighandler The signal handler to register

//void activateAll();

@exception IndexOutOfBoundsException if signum is outside the range

of signals supported by the SignalHandler (see PEGASUS_NSIG).

void deactivate(Uint32 signum);

void registerHandler(unsigned signum, signal_handler sighandler);

/**

Activates a signal handler.

@param signum The signal number for which to activate the handler.

@exception IndexOutOfBoundsException if signum is outside the range

of signals supported by the SignalHandler (see PEGASUS_NSIG).

void activate(unsigned signum);

/**

Deactivates a signal handler.

@param signum The signal number for which to deactivate the handler.

@exception IndexOutOfBoundsException if signum is outside the range

of signals supported by the SignalHandler (see PEGASUS_NSIG).

void deactivate(unsigned signum);

void deactivateAll();

static void ignore(Uint32 signum);

/**

Sets a signal action to "ignore".

@param signum The signal number to ignore.

@exception IndexOutOfBoundsException if signum is outside the range

of signals supported by the SignalHandler (see PEGASUS_NSIG).

static void ignore(unsigned signum);

/**

Resets a signal action to its default.

@param signum The signal number for which to reset the signal action.

@exception IndexOutOfBoundsException if signum is outside the range

of signals supported by the SignalHandler (see PEGASUS_NSIG).

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[32];

register_handler reg_handler[PEGASUS_NSIG + 1];

Mutex reg_mutex;

void deactivate_i(Uint32 signum);

void deactivate_i(register_handler &rh);

register_handler &getHandler(unsigned sigum);

#endif

};

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Removed from v.1.12
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	Added in v.1.29

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