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Trace system calls when debugging

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2011-07-02 08:27:17 -07:00
parent afa5ea3fd2
commit 4ea8a65cd9
1 changed files with 7 additions and 2 deletions
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9
Shorewall/Perl/Shorewall/Config.pm
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@ -2275,11 +2275,16 @@ sub load_kernel_modules( ) {
# Q[uie]t version of system(). Returns true for success
#
sub qt( $ ) {
system( "@_ > /dev/null 2>&1" ) == 0;
if ( $debug ) {
print "SYS----> @_\n";
system( "@_ 2>&1" );
} else {
system( "@_ > /dev/null 2>&1" ) == 0;
}
}
sub qt1( $ ) {
1 while system( "@_ > /dev/null 2>&1" ) == 4;
1 while qt( "@_" ) == 4;
$? == 0;
}