
sktemkar
New User
Feb 10, 2011, 9:27 PM
Post #1 of 3
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Perl daemon exiting without warning
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hi, I have written a daemon example. But i dont know why it is not running. When i debugged using print statment, it is exiting after the (open STDIN, '/dev/null' or die "Can't read /dev/null: $!";) statement in the daemonize method. Can you please help me #!/usr/bin/perl # daemonize the program &daemonize; $| = 1; while(1) { print "\nIn the While\n"; open(MYFILE,'>>temp.txt'); print MYFILE "Hello Sri\n"; close(MYFILE); } sub daemonize { chdir '/' or die "Can't chdir to /: $!"; open STDIN, '/dev/null' or die "Can't read /dev/null: $!"; open STDOUT, '>>/dev/null' or die "Can't write to /dev/null: $!"; open STDERR, '>>/dev/null' or die "Can't write to /dev/null: $!"; defined(my $pid = fork) or die "Can't fork: $!"; exit if $pid; setsid or die "Can't start a new session: $!"; umask 0; }
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