GNU/Linux man pages
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GNU/Linux |
Debian 6.0.2.1(Squeeze) |
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Glib::Signal(3pm) |
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Glib::Signal − Object customization and general purpose notification
integer = Glib−>install_exception_handler ($func, $data=undef)
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$func (subroutine) |
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$data (scalar) |
Install a subroutine to be executed when a signal emission traps an exception (a croak or die). $func should return boolean (true if the handler should remain installed) and expect to receive a single scalar. This scalar will be a private copy of $@ which the handler can mangle to its heart’s content.
Returns an identifier that may be used with "remove_exception_handler".
See "gperl_install_exception_handler()" in Glib::xsapi.
Glib−>remove_exception_handler ($tag)
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$tag (integer) |
Remove the exception handler identified by $tag, as returned by "install_exception_handler". If $tag cannot be found, this does nothing.
WARNING: Do not call this function from within an exception handler. If you want to remove your handler during its execution just have it return false.
See "gperl_remove_exception_handler()" in Glib::xsapi.
Glib
Copyright (C) 2003−2009 by the gtk2−perl team.
This software is licensed under the LGPL . See Glib for a full notice.
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Glib::Signal(3pm) | |