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=encoding utf8 =head1 NAME POSIX::SigSet - collect signal flags =head1 SYNOPSIS use POSIX::SigSet (); use POSIX::1003::Signals; $sigset = POSIX::SigSet->new; $sigset = POSIX::SigSet->new(SIGUSR1); $sigset->addset(SIGUSR2); $sigset->delset(SIGUSR2); $sigset->emptyset(); $sigset->fillset(); if( $sigset->ismember(SIGUSR1) ) { ... } =head1 DESCRIPTION The C<POSIX::SigSet> object is simple a collection of signal flags. The object is administered in POSIX.xs. See L<POSIX::SigAction|POSIX::SigAction> for examples of its usage. =head1 METHODS =head2 Constructors =over 4 =item POSIX::SigSet-E<gt>B<new>( [$signals] ) Create a new SigSet object. One or more $signals can be added immediately. The object will be destroyed automatically when it is no longer needed. =back =head2 Other =over 4 =item $obj-E<gt>B<addset>($signal) Add one signal to a SigSet object. Returns C<undef> on failure. =item $obj-E<gt>B<delset>($signal) Remove one signal from the SigSet object. Returns C<undef> on failure. =item $obj-E<gt>B<emptyset>() Initialize the SigSet object to be empty. Returns C<undef> on failure. =item $obj-E<gt>B<fillset>() Initialize the SigSet object to include all signals. Returns C<undef> on failure. =item $obj-E<gt>B<ismember>() Tests the SigSet object to see if it contains a specific signal. example: if($sigset->ismember(SIGUSR1)) { print "contains SIGUSR1\n"; } =back =head1 SEE ALSO This module is part of POSIX-1003 distribution version 1.02, built on November 10, 2020. Website: F<http://perl.overmeer.net/CPAN>. The code is based on L<POSIX>, which is released with Perl itself. See also L<POSIX::Util> for additional functionality. =head1 COPYRIGHTS Copyrights 2011-2020 on the perl code and the related documentation by [Mark Overmeer]. For other contributors see ChangeLog. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See F<http://dev.perl.org/licenses/>
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