Re^2: mkfifo/mknode

Hello Moron, I tried to use the flock function but i got the error - Usage: Fcntl::constant(name, arg) at Fcntl.pm line 225. Do you have any simple example ? Thanks

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Re^3: mkfifo/mknode by Moron (Curate) on Jun 14, 2006 at 14:02 UTC
Here is a simple example of using a dedicated lock file `my $LOCK_EX = 2; # exclusive lock on file my $LOCK_UN = 8; # unlock file my $lock_file = $ENV{ XYZ_DIR } . "/$0.lock"; open my $lh, ">$lock_file" \|\| die "Can't open lock file $lock_file: $! +"; flock $lh, $LOCK_EX; # will wait for exclusive lock # on lock file # do the exclusive actions flock $lh, $LOCK_UN; close $lh;` [download] -M Free your mind	[reply] [d/l]

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Re^3: mkfifo/mknode
by Moron (Curate) on Jun 14, 2006 at 14:02 UTC

my $LOCK_EX = 2;       # exclusive lock on file
my $LOCK_UN = 8;       # unlock file

my $lock_file = $ENV{ XYZ_DIR } . "/$0.lock";

open my $lh, ">$lock_file" || die "Can't open lock file $lock_file: $!
+";
flock $lh, $LOCK_EX; # will wait for exclusive lock
                     # on lock file

# do the exclusive actions

flock $lh, $LOCK_UN;
close $lh;
[download]

-M

Free your mind

[reply]
[d/l]