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package EV::MakeMaker; |
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|
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BEGIN { eval { require warnings } && warnings->unimport ("uninitialized") } |
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|
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use Config; |
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use base 'Exporter'; |
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|
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@EXPORT_OK = qw(&ev_args $installsitearch); |
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|
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my %opt; |
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|
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for my $opt (split /:+/, $ENV{PERL_MM_OPT}) { |
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my ($k,$v) = split /=/, $opt; |
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$opt{$k} = $v; |
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} |
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|
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my $extra = $Config{sitearch}; |
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|
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$extra =~ s/$Config{prefix}/$opt{PREFIX}/ if |
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exists $opt{PREFIX}; |
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|
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for my $d ($extra, @INC) { |
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if (-e "$d/EV/EVAPI.h") { |
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$installsitearch = $d; |
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last; |
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} |
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} |
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|
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sub ev_args { |
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my %arg = @_; |
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$arg{INC} .= " -I$installsitearch/EV -I$installsitearch"; |
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%arg; |
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} |
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|
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1; |
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__END__ |
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|
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=head1 NAME |
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|
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EV::MakeMaker - MakeMaker glue for the C-level EV API |
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|
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=head1 SYNOPSIS |
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|
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This allows you to access some libevent functionality from other perl |
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modules. |
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|
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=head1 DESCRIPTION |
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|
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For optimal performance, hook into EV at the C-level. You'll need to make |
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changes to your C<Makefile.PL>, load C<EV> in your C<pm> file and add |
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code to your C<xs> / C<c> file(s). |
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|
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=head1 HOW TO |
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|
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=head2 Makefile.PL |
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|
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use EV::MakeMaker qw(ev_args); |
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|
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# ... set up %args ... |
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|
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WriteMakefile (ev_args (%args)); |
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|
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=head2 extension.pm |
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|
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use EV (); # imports optional |
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|
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=head2 extension.xs |
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|
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#include "EVAPI.h" |
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|
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[...] |
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|
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BOOT: |
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I_EV_API (HvNAME (GvSTASH (CvGV (cv)))); |
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|
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=head1 API |
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|
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See the L<EVAPI.h|http://cvs.schmorp.de/EV/EV/EVAPI.h> header, which you |
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should include instead of F<ev.h>. |
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|
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In short, all the functions and macros from F<ev.h> should work, except |
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that the trailing underscore macros (C<EV_A_>, C<EV_DEFAULT_>) are not |
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available (except C<EV_P_> :). |
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|
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Multiplicity is enabled. |
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|
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The C<data> member in each watcher is of type C<SV *> and not C<void *> |
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(this might change at some point). |
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|
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=head1 EXAMPLE |
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|
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The L<EV::Glib>, L<EV::ADNS> and L<Glib::EV> modules all give nice |
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examples on how to use this module. |
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|
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Here are some F<.xs> fragments taken from EV::ADNS that should get you |
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going: |
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|
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#include "EVAPI.h" |
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|
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static ev_prepare pw; |
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static ev_idle iw; |
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|
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static void |
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idle_cb (EV_P_ ev_idle *w, int revents) |
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{ |
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ev_idle_stop (EV_A, w); |
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} |
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|
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MODULE = ... |
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|
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BOOT: |
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{ |
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I_EV_API ("EV::ADNS"); |
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ev_prepare_init (&pw, prepare_cb); |
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ev_init (&iw, idle_cb); ev_set_priority (&iw, EV_MINPRI); |
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ev_idle_start (EV_DEFAULT, &iw); |
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} |
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|
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=cut |
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|
