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#line 1 |
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1880
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package Test::TCP; |
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76
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9
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use strict; |
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50
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use warnings; |
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113
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5
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use 5.00800; |
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our $VERSION = '1.21'; |
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211
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2051
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use base qw/Exporter/; |
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55477
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15
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8
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3233
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use IO::Socket::INET; |
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70025
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332
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use Test::SharedFork 0.12; |
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32
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10
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use Test::More (); |
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64
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1747
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use Config; |
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14487
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12
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8108
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use POSIX; |
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3945
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54
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use Time::HiRes (); |
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1776
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use Carp (); |
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3080
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1642
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use Net::EmptyPort qw(empty_port check_port); |
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our @EXPORT = qw/ empty_port test_tcp wait_port /; |
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# process does not die when received SIGTERM, on win32. |
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my $TERMSIG = $^O eq 'MSWin32' ? 'KILL' : 'TERM'; |
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54493
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sub test_tcp { |
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my %args = @_; |
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for my $k (qw/client server/) { |
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die "missing madatory parameter $k" unless exists $args{$k}; |
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106
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} |
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my $server = Test::TCP->new( |
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code => $args{server}, |
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port => $args{port} || empty_port(), |
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0
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0
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); |
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0
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0
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$args{client}->($server->port, $server->pid); |
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undef $server; # make sure |
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} |
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35
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sub wait_port { |
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my $port = shift; |
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130
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38
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Net::EmptyPort::wait_port($port, 0.1, 100) |
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or die "cannot open port: $port"; |
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} |
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# ------------------------------------------------------------------------- |
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# OO-ish interface |
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45
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2
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2
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1
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2289
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sub new { |
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2
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my $class = shift; |
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0
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0
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2
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my %args = @_==1 ? %{$_[0]} : @_; |
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2
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Carp::croak("missing mandatory parameter 'code'") unless exists $args{code}; |
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my $self = bless { |
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auto_start => 1, |
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_my_pid => $$, |
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%args, |
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2
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31
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}, $class; |
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2
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$self->{port} = empty_port() unless exists $self->{port}; |
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$self->start() |
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0
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0
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if $self->{auto_start}; |
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return $self; |
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} |
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0
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0
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1
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0
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60
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2
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2
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1
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211
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sub pid { $_[0]->{pid} } |
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sub port { $_[0]->{port} } |
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63
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2
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1
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8
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sub start { |
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3039
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my $self = shift; |
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0
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65
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if ( my $pid = fork() ) { |
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86
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# parent. |
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2
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106
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$self->{pid} = $pid; |
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0
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0
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Test::TCP::wait_port($self->port); |
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return; |
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} elsif ($pid == 0) { |
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0
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0
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# child process |
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$self->{code}->($self->port); |
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0
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0
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0
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# should not reach here |
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0
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0
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if (kill 0, $self->{_my_pid}) { # warn only parent process still exists |
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warn("[Test::TCP] Child process does not block(PID: $$, PPID: $self->{_my_pid})"); |
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0
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0
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} |
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exit 0; |
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0
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0
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} else { |
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die "fork failed: $!"; |
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} |
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} |
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83
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2
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1
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10
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sub stop { |
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my $self = shift; |
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2
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17
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86
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2
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50
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28
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return unless defined $self->{pid}; |
87
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return unless $self->{_my_pid} == $$; |
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89
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# This is a workaround for win32 fork emulation's bug. |
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# |
91
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# kill is inherently unsafe for pseudo-processes in Windows |
92
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# and the process calling kill(9, $pid) may be destabilized |
93
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# The call to Sleep will decrease the frequency of this problems |
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# |
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# SEE ALSO: |
96
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# http://www.gossamer-threads.com/lists/perl/porters/261805 |
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2
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50
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18
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# https://rt.cpan.org/Ticket/Display.html?id=67292 |
98
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Win32::Sleep(0) if $^O eq "MSWin32"; # will relinquish the remainder of its time slice |
99
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2
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73
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100
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kill $TERMSIG => $self->{pid}; |
101
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2
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50
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15
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102
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Win32::Sleep(0) if $^O eq "MSWin32"; # will relinquish the remainder of its time slice |
103
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104
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2
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24
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105
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2
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8
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local $?; # waitpid modifies original $?. |
106
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4
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2034552
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LOOP: while (1) { |
107
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4
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50
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63
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my $kid = waitpid( $self->{pid}, 0 ); |
108
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4
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50
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36
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if ($^O ne 'MSWin32') { # i'm not in hell |
109
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0
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0
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if (POSIX::WIFSIGNALED($?)) { |
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0
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0
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0
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my $signame = (split(' ', $Config{sig_name}))[POSIX::WTERMSIG($?)]; |
111
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0
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0
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if ($signame =~ /^(ABRT|PIPE)$/) { |
112
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Test::More::diag("your server received SIG$signame"); |
113
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} |
114
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} |
115
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4
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100
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66
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70
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} |
116
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2
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10
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if ($kid == 0 || $kid == -1) { |
117
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last LOOP; |
118
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} |
119
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2
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538
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} |
120
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undef $self->{pid}; |
121
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} |
122
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123
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2
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2
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415200
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sub DESTROY { |
124
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2
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11
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my $self = shift; |
125
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2
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11
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local $@; |
126
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$self->stop(); |
127
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} |
128
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129
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1; |
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__END__ |