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Man Pages


Manual Reference Pages  -  PROC::GUARD (3)

.ds Aq ’

NAME

Proc::Guard - process runner with RAII pattern

CONTENTS

SYNOPSIS



    use Test::TCP qw/empty_port wait_port/;
    use File::Which qw/which/;
    use Proc::Guard;

    my $port = empty_port();
    my $proc = proc_guard(scalar(which(memcached)), -p, $port);
    wait_port($port);

    # your code here

    # --------------
    # or, use perl code
    my $proc = proc_guard(sub {
        ... # run this code in child process
    });
    ...



DESCRIPTION

Proc::Guard runs process, and destroys it when the perl script exits.

This is useful for testing code working with server process.

FUNCTIONS

proc_guard(@cmdline|\&code) This is shorthand for:



    Proc::Guard->new(
        command => \@cmdline,
    );



or



    Proc::Guard->new(
        code => \&code,
    );



METHODS

my $proc = Proc::Guard->new(%args); Create and run a process. The process is terminated when the returned object is being DESTROYed.
command


    Proc::Guard->new(command => /path/to/memcached);
    # or
    Proc::Guard->new(command => [/path/to/memcached, -p, 11211]);



The command line.

code


    Proc::Guard->new(code => sub { ... });



’code’ or ’command’ is required.

auto_start


    Proc::Guard->new(auto_start => 0);



Start child process automatically or not(default: 1).

pid Returns process id (or undef if not running).
start Starts process.
stop Stops process.

VARIABLES

$Proc::Guard::EXIT_STATUS The last exit status code by $proc->stop. If waitpid failed with an error, this will be set to undef.

AUTHOR

Tokuhiro Matsuno <tokuhirom AAJKLFJEF GMAIL COM>

LICENSE

Copyright (C) Tokuhiro Matsuno

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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perl v5.20.3 PROC::GUARD (3) 2016-03-17

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