35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*
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cleanup.c , Copyright 2006 Thomas Schmitt <scdbackup@gmx.net>
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A signal handler which cleans up an application and exits.
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Provided under GPL license within GPL projects, BSD license elsewise.
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*/
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#ifndef Cleanup_includeD
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#define Cleanup_includeD 1
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/** Layout of an application provided cleanup function using an application
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provided handle as first argument and the signal number as second
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argument. The third argument is a flag bit field with no defined bits yet.
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If the handler returns 2 or -2 then it has delegated exit() to some other
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instance and the Cleanup handler shall return rather than exit.
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*/
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typedef int (*Cleanup_app_handler_T)(void *, int, int);
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/** Establish exiting signal handlers on (hopefully) all signals that are
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not ignored by default or non-catchable.
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@param handle Opaque object which knows how to cleanup application
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@param handler Function which uses handle to perform application cleanup
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@param flag Control Bitfield
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bit0= reset to default signal handling
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*/
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int Cleanup_set_handlers(void *handle, Cleanup_app_handler_T handler,
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int flag);
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#endif /* ! Cleanup_includeD */
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