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kill TERM pipe program on timeout
[Biblio-RFID.git]
/
lib
/
Biblio
/
RFID
/
Reader
/
librfid.pm
diff --git
a/lib/Biblio/RFID/Reader/librfid.pm
b/lib/Biblio/RFID/Reader/librfid.pm
index
0f559fd
..
8f6a96d
100644
(file)
--- a/
lib/Biblio/RFID/Reader/librfid.pm
+++ b/
lib/Biblio/RFID/Reader/librfid.pm
@@
-44,8
+44,20
@@
sub init { 1 }
sub _grep_tool {
my ( $bin, $param, $coderef, $path ) = @_;
sub _grep_tool {
my ( $bin, $param, $coderef, $path ) = @_;
+ my $timeout = 3; # s
+
+ eval {
+
warn "# _grep_tool $bin $param\n";
warn "# _grep_tool $bin $param\n";
- open(my $s, '-|', "$bin $param 2>/dev/null") || die $!;
+# $param .= ' 2>/dev/null';
+ my $pipe_pid = open(my $s, '-|', "$bin $param") || die $!;
+
+ local $SIG{ALRM} = sub {
+ warn "TIMEOUT!";
+ kill TERM => $pipe_pid;
+ die "timeout\n"
+ };
+ alarm $timeout;
my $sid;
my $iso;
my $sid;
my $iso;
@@
-65,8
+77,12
@@
sub _grep_tool {
$coderef->( $sid, $iso );
}
$coderef->( $sid, $iso );
}
+ alarm(0);
close($s);
close($s);
- if ( $? >> 8 ) {
+
+ }; # eval
+
+ if ( $? >> 8 || $@ ) {
my $lsusb = `lsusb -d 076b:`;
if ( $lsusb =~ m/\S+\s+(\d+)\s+\S+\s+(\d+)/ ) {
my $cmd = "usbreset /dev/bus/usb/$1/$2";
my $lsusb = `lsusb -d 076b:`;
if ( $lsusb =~ m/\S+\s+(\d+)\s+\S+\s+(\d+)/ ) {
my $cmd = "usbreset /dev/bus/usb/$1/$2";