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23f462137e
"eval use" it. Instead trap the error that occurs when creating the socket on platforms that does not support it.
124 lines
2.7 KiB
Perl
124 lines
2.7 KiB
Perl
# -*- cperl -*-
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# Copyright (C) 2004-2006 MySQL AB
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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package My::Platform;
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use strict;
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use base qw(Exporter);
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our @EXPORT= qw(IS_CYGWIN IS_WINDOWS IS_WIN32PERL
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native_path posix_path mixed_path
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check_socket_path_length);
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BEGIN {
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if ($^O eq "cygwin") {
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# Make sure cygpath works
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if ((system("cygpath > /dev/null 2>&1") >> 8) != 1){
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die "Could not execute 'cygpath': $!";
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}
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eval 'sub IS_CYGWIN { 1 }';
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}
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else {
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eval 'sub IS_CYGWIN { 0 }';
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}
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if ($^O eq "MSWin32") {
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eval 'sub IS_WIN32PERL { 1 }';
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}
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else {
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eval 'sub IS_WIN32PERL { 0 }';
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}
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}
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BEGIN {
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if (IS_CYGWIN or IS_WIN32PERL) {
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eval 'sub IS_WINDOWS { 1 }';
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}
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else {
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eval 'sub IS_WINDOWS { 0 }';
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}
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}
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#
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# native_path
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# Convert from path format used by perl to the underlying
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# operating systems format
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#
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# NOTE
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# Used when running windows binaries (that expect windows paths)
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# in cygwin perl (that uses unix paths)
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#
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sub mixed_path {
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my ($path)= @_;
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if (IS_CYGWIN){
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return unless defined $path;
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$path= `cygpath -m $path`;
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chomp $path;
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}
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return $path;
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}
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sub native_path {
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my ($path)= @_;
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$path=~ s/\//\\/g
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if (IS_CYGWIN or IS_WIN32PERL);
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return $path;
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}
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sub posix_path {
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my ($path)= @_;
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if (IS_CYGWIN){
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return unless defined $path;
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$path= `cygpath $path`;
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chomp $path;
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}
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return $path;
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}
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sub check_socket_path_length {
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my ($path)= @_;
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my $truncated= 0;
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require IO::Socket::UNIX;
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my $sock = new IO::Socket::UNIX
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(
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Local => $path,
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Listen => 1,
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);
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if (!defined $sock){
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# Could not create a UNIX domain socket
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return 0; # Ok, will not be used by mysqld either
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}
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if ($path ne $sock->hostpath()){
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# Path was truncated
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$truncated= 1;
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# Output diagnostic messages
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print "path: '$path', length: ", length($path) ,"\n";
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print "hostpath: '", $sock->hostpath(),
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"', length: ", length($sock->hostpath()), "\n";
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}
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$sock= undef; # Close socket
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unlink($path); # Remove the physical file
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return $truncated;
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}
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1;
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