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139 lines
3.3 KiB
Perl
Executable File
139 lines
3.3 KiB
Perl
Executable File
#!/usr/bin/perl
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use warnings;
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use strict;
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use POSIX ":sys_wait_h";
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my @signame;
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$signame[0] = 'SIGZERO';
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$signame[1] = 'SIGHUP';
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$signame[2] = 'SIGINT';
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$signame[3] = 'SIGQUIT';
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$signame[4] = 'SIGILL';
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$signame[5] = 'SIGTRAP';
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$signame[6] = 'SIGABRT';
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$signame[7] = 'SIGBUS';
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$signame[8] = 'SIGFPE';
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$signame[9] = 'SIGKILL';
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$signame[10] = 'SIGUSR1';
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$signame[11] = 'SIGSEGV';
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$signame[12] = 'SIGUSR2';
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$signame[13] = 'SIGPIPE';
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$signame[14] = 'SIGALRM';
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$signame[15] = 'SIGTERM';
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$signame[16] = 'SIGSTKFLT';
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$signame[17] = 'SIGCHLD';
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$signame[18] = 'SIGCONT';
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$signame[19] = 'SIGSTOP';
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$signame[20] = 'SIGTSTP';
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$signame[21] = 'SIGTTIN';
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$signame[22] = 'SIGTTOU';
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$signame[23] = 'SIGURG';
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$signame[24] = 'SIGXCPU';
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$signame[25] = 'SIGXFSZ';
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$signame[26] = 'SIGVTALRM';
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$signame[27] = 'SIGPROF';
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$signame[28] = 'SIGWINCH';
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$signame[29] = 'SIGIO';
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$signame[30] = 'SIGPWR';
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$signame[31] = 'SIGSYS';
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$signame[32] = 'SIGNUM32';
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$signame[33] = 'SIGNUM33';
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$signame[34] = 'SIGRTMIN';
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$signame[35] = 'SIGNUM35';
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$signame[36] = 'SIGNUM36';
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$signame[37] = 'SIGNUM37';
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$signame[38] = 'SIGNUM38';
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$signame[39] = 'SIGNUM39';
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$signame[40] = 'SIGNUM40';
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$signame[41] = 'SIGNUM41';
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$signame[42] = 'SIGNUM42';
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$signame[43] = 'SIGNUM43';
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$signame[44] = 'SIGNUM44';
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$signame[45] = 'SIGNUM45';
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$signame[46] = 'SIGNUM46';
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$signame[47] = 'SIGNUM47';
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$signame[48] = 'SIGNUM48';
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$signame[49] = 'SIGNUM49';
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$signame[50] = 'SIGNUM50';
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$signame[51] = 'SIGNUM51';
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$signame[52] = 'SIGNUM52';
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$signame[53] = 'SIGNUM53';
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$signame[54] = 'SIGNUM54';
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$signame[55] = 'SIGNUM55';
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$signame[56] = 'SIGNUM56';
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$signame[57] = 'SIGNUM57';
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$signame[58] = 'SIGNUM58';
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$signame[59] = 'SIGNUM59';
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$signame[60] = 'SIGNUM60';
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$signame[61] = 'SIGNUM61';
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$signame[62] = 'SIGNUM62';
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$signame[63] = 'SIGNUM63';
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$signame[64] = 'SIGRTMAX';
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$signame[65] = 'SIGIOT';
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$signame[66] = 'SIGCLD';
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$signame[67] = 'SIGPOLL';
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$signame[68] = 'SIGUNUSED';
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sub reaper {
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my $child;
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while (($child=waitpid(-1,WNOHANG))>0) {
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# See waitpid(2) and POSIX(3perl)
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my $status = $?;
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my $exitcode = $status >> 8;
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my $wifexited = WIFEXITED($status);
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my $wexitstatus = $wifexited ? WEXITSTATUS($status) : undef;
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my $wifsignaled = WIFSIGNALED($status);
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my $wtermsig = $wifsignaled ? WTERMSIG($status) : undef;
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my $wifstopped = WIFSTOPPED($status);
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my $wstopsig = $wifstopped ? WSTOPSIG($status) : undef;
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if($wifsignaled == 1) {
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print "\nProgram received signal $wtermsig ($signame[$wtermsig])\n";
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exit;
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}
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if(($wifexited == 1) && ($exitcode != 0)) {
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print "\nExit: $exitcode\n";
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exit;
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} elsif(($wifexited ==1) && ($exitcode == 0)) {
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exit;
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}
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else {
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print ""
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." status=$status exitcode=$exitcode"
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." wifexited=$wifexited"
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." wexitstatus=".(defined($wexitstatus) ? $wexitstatus : "
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+undef")
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." wifsignaled=$wifsignaled"
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." wtermsig=".(defined($wtermsig) ? $wtermsig : "undef")
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." wifstopped=$wifstopped"
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." wstopsig=".(defined($wstopsig) ? $wstopsig : "undef")
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."\n";
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exit;
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}
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}
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}
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sub execute {
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my ($cmdline) = @_;
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my ($ret, $result);
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local $SIG{CHLD} = \&reaper;
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my $child = fork;
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local $SIG{TERM} = sub { kill 'TERM', $child; };
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if($child == 0) {
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exec("$cmdline 2>&1");
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} else {
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while(1) { sleep 10; }
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}
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}
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execute("./prog");
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