mirror of
https://git.savannah.gnu.org/git/parallel.git
synced 2024-11-21 21:47:54 +00:00
parallel: kill process groups. Fails for --tty jobs.
This commit is contained in:
Ole Tange
parent
e57ec6deec
commit
0ab644d156
|
|
@ -250,7 +250,7 @@ New in this release:
|
|||
|
||||
* GNU Parallel is used in: https://github.com/d2207197/local-mapreduce
|
||||
|
||||
|
||||
* Job ad asking for GNU Parallel experience: http://searchjobs.intel.com/gdansk-pol/software-validation-engineer/63A06826DAF24797AB414DC146201C2E/job/
|
||||
|
||||
* Bug fixes and man page updates.
|
||||
|
||||
|
|
|
|||
45
src/parallel
45
src/parallel
|
|
@ -1076,7 +1076,7 @@ sub parse_options {
|
|||
|
||||
sub init_globals {
|
||||
# Defaults:
|
||||
$Global::version = 20150524;
|
||||
$Global::version = 20150531;
|
||||
$Global::progname = 'parallel';
|
||||
$Global::infinity = 2**31;
|
||||
$Global::debug = 0;
|
||||
|
|
@ -3178,6 +3178,8 @@ sub reaper {
|
|||
$job->print();
|
||||
}
|
||||
if($job->should_we_halt() eq "now") {
|
||||
# Kill children
|
||||
::kill_sleep_seq($job->pid());
|
||||
::killall();
|
||||
::wait_and_exit($Global::halt_exitstatus);
|
||||
}
|
||||
|
|
@ -3222,17 +3224,20 @@ sub killall {
|
|||
|
||||
$Global::start_no_new_jobs ||= 1;
|
||||
$Global::killall ||= 1;
|
||||
# pids of the all children and (grand*)children
|
||||
# before we start the blood bath
|
||||
my @family_pids = family_pids(keys %Global::running);
|
||||
my @pids = @family_pids;
|
||||
kill_sleep_seq(keys %Global::running);
|
||||
}
|
||||
|
||||
sub kill_sleep_seq {
|
||||
# Send jobs TERM,TERM,KILL
|
||||
my @term_seq = ("TERM",200,"TERM",200,"KILL",200);
|
||||
# processgroups (-$pid)
|
||||
my @pgrps = map { -$_ } @_;
|
||||
my @term_seq = ("TERM",200,"TERM",100,"TERM",50,"KILL",25);
|
||||
while(@term_seq) {
|
||||
@pids = kill_sleep(shift @term_seq, shift @term_seq, @pids);
|
||||
@pgrps = kill_sleep(shift @term_seq, shift @term_seq, @pgrps);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
sub kill_sleep {
|
||||
my ($signal, $sleep_max, @pids) = @_;
|
||||
::debug("kill","kill_sleep $signal ",(join " ",sort @pids),"\n");
|
||||
|
|
@ -3261,7 +3266,7 @@ sub kill_sleep {
|
|||
$sleep *= 1.1;
|
||||
::usleep($sleep);
|
||||
$sleepsum += $sleep;
|
||||
# Remove (grand)*children that are dead
|
||||
# Remove dead children
|
||||
@pids = grep { kill( 0, $_) } @pids;
|
||||
}
|
||||
return @pids;
|
||||
|
|
@ -3750,7 +3755,7 @@ sub which {
|
|||
# ash bash csh dash fdsh fish fizsh ksh ksh93 mksh pdksh
|
||||
# posh rbash rc rush rzsh sash sh static-sh tcsh yash zsh
|
||||
my @shells = (qw(ash bash csh dash fdsh fish fizsh ksh
|
||||
ksh93 mksh pdksh posh rbash rc rush rzsh
|
||||
ksh93 lksh mksh pdksh posh rbash rc rush rzsh
|
||||
sash sh static-sh tcsh yash zsh -sh -csh),
|
||||
'-sh (sh)' # sh on FreeBSD
|
||||
);
|
||||
|
|
@ -6247,6 +6252,12 @@ sub timedout {
|
|||
}
|
||||
|
||||
sub kill {
|
||||
my $self = shift;
|
||||
$self->set_exitstatus(-1);
|
||||
::kill_sleep_seq($self->pid());
|
||||
}
|
||||
|
||||
sub _kill {
|
||||
# Kill the job.
|
||||
# Send the signals to (grand)*children and pid.
|
||||
# If no signals: TERM TERM KILL
|
||||
|
|
@ -6265,9 +6276,9 @@ sub kill {
|
|||
for my $signal (@send_signals) {
|
||||
my $alive = 0;
|
||||
for my $pid (@family_pids) {
|
||||
if(kill 0, $pid) {
|
||||
if(CORE::kill 0, $pid) {
|
||||
# The job still running
|
||||
kill $signal, $pid;
|
||||
CORE::kill $signal, $pid;
|
||||
$alive = 1;
|
||||
::debug("run","$pid is alive\n");
|
||||
}
|
||||
|
|
@ -6278,7 +6289,7 @@ sub kill {
|
|||
if($signal eq "TERM" and $alive) {
|
||||
# Wait up to 200 ms between TERMs - but only if any pids are alive
|
||||
my $sleep = 1;
|
||||
for (my $sleepsum = 0; kill 0, $family_pids[0] and $sleepsum < 200;
|
||||
for (my $sleepsum = 0; CORE::kill 0, $family_pids[0] and $sleepsum < 200;
|
||||
$sleepsum += $sleep) {
|
||||
$sleep = ::reap_usleep($sleep);
|
||||
}
|
||||
|
|
@ -7077,6 +7088,8 @@ sub start {
|
|||
if($opt::dryrun) {
|
||||
$command = "true";
|
||||
}
|
||||
# Each child gets its own process group to make it safe to killall
|
||||
my @setpgrp_wrap = ('perl','-e',"setpgrp\;exec '$Global::shell', '-c', \@ARGV");
|
||||
$ENV{'PARALLEL_SEQ'} = $job->seq();
|
||||
$ENV{'PARALLEL_PID'} = $$;
|
||||
$ENV{'PARALLEL_TMP'} = ::tmpname("par");
|
||||
|
|
@ -7086,7 +7099,7 @@ sub start {
|
|||
my ($stdin_fh);
|
||||
# The eval is needed to catch exception from open3
|
||||
eval {
|
||||
$pid = ::open3($stdin_fh, ">&OUT", ">&ERR", $Global::shell, "-c", $command) ||
|
||||
$pid = ::open3($stdin_fh, ">&OUT", ">&ERR", @setpgrp_wrap, $command) ||
|
||||
::die_bug("open3-pipe");
|
||||
1;
|
||||
};
|
||||
|
|
@ -7098,7 +7111,7 @@ sub start {
|
|||
*IN = *STDIN;
|
||||
# The eval is needed to catch exception from open3
|
||||
eval {
|
||||
$pid = ::open3("<&IN", ">&OUT", ">&ERR", $Global::shell, "-c", $command) ||
|
||||
$pid = ::open3("<&IN", ">&OUT", ">&ERR", @setpgrp_wrap, $command) ||
|
||||
::die_bug("open3-a");
|
||||
1;
|
||||
};
|
||||
|
|
@ -7111,7 +7124,7 @@ sub start {
|
|||
*IN = $devtty_fh;
|
||||
# The eval is needed to catch exception from open3
|
||||
eval {
|
||||
$pid = ::open3("<&IN", ">&OUT", ">&ERR", $Global::shell, "-c", $command) ||
|
||||
$pid = ::open3("<&IN", ">&OUT", ">&ERR", @setpgrp_wrap, $command) ||
|
||||
::die_bug("open3-/dev/tty");
|
||||
$Global::tty_taken = $pid;
|
||||
close $devtty_fh;
|
||||
|
|
@ -7120,7 +7133,7 @@ sub start {
|
|||
} else {
|
||||
# The eval is needed to catch exception from open3
|
||||
eval {
|
||||
$pid = ::open3(::gensym, ">&OUT", ">&ERR", $Global::shell, "-c", $command) ||
|
||||
$pid = ::open3(::gensym, ">&OUT", ">&ERR", @setpgrp_wrap, $command) ||
|
||||
::die_bug("open3-gensym");
|
||||
1;
|
||||
};
|
||||
|
|
|
|||
|
|
@ -733,7 +733,7 @@ _
|
|||
|
||||
/bin/bash: my_func2: command not found
|
||||
parallel -vv -S $SERVER1 echo ::: bar
|
||||
ssh parallel@lo exec perl\ -e\ \\\$ENV\\\{\\\"PARALLEL_PID\\\"\\\}\\\=\\\"000000\\\"\\\;\\\$ENV\\\{\\\"PARALLEL_SEQ\\\"\\\}\\\=\\\"1\\\"\\\;\\\$bashfunc\\\ \\\=\\\ \\\"\\\"\\\;@ARGV\\\=\\\"echo\\\ bar\\\"\\\;\\\$shell\\\=\\\"\\\$ENV\\\{SHELL\\\}\\\"\\\;\\\$tmpdir\\\=\\\"/tmp/parallel-tutorial\\\"\\\;do\\\{\\\$ENV\\\{PARALLEL_TMP\\\}\\\=\\\$tmpdir.\\\"/par\\\".join\\\"\\\",map\\\{\\\(0..9,\\\"a\\\"..\\\"z\\\",\\\"A\\\"..\\\"Z\\\"\\\)\\\[rand\\\(62\\\)\\\]\\\}\\\(1..5\\\)\\\;\\\}while\\\(-e\\\$ENV\\\{PARALLEL_TMP\\\}\\\)\\\;\\\$SIG\\\{CHLD\\\}\\\=sub\\\{\\\$done\\\=1\\\;\\\}\\\;\\\$pid\\\=fork\\\;unless\\\(\\\$pid\\\)\\\{setpgrp\\\;exec\\\$shell,\\\"-c\\\",\\\(\\\$bashfunc.\\\"@ARGV\\\"\\\)\\\;die\\\"exec:\\\$\\\!\\\\n\\\"\\\;\\\}do\\\{\\\$s\\\=\\\$s\\\<1\\\?0.001+\\\$s\\\*1.03:\\\$s\\\;select\\\(undef,undef,undef,\\\$s\\\)\\\;\\\}until\\\(\\\$done\\\|\\\|getppid\\\=\\\=1\\\)\\\;kill\\\(SIGHUP,-\\\$\\\{pid\\\}\\\)unless\\\$done\\\;wait\\\;exit\\\(\\\$\\\?\\\&127\\\?128+\\\(\\\$\\\?\\\&127\\\):1+\\\$\\\?\\\>\\\>8\\\);
|
||||
ssh parallel@lo exec perl -e \''@GNU_Parallel=("use","IPC::Open3;","use","MIME::Base64");eval"@GNU_Parallel";$SIG{CHLD}="IGNORE";my$zip=(grep{-x$_}"/usr/local/bin/bzip2")[0]||"bzip2";my($in,$out,$eval);open3($in,$out,">&STDERR",$zip,"-dc");if(my$perlpid=fork){close$in;$eval=join"",<$out>;close$out;}else{close$out;print$in(decode_base64(join"",@ARGV));close$in;exit;}wait;eval$eval;'\' BASE64;
|
||||
bar
|
||||
my_func3() {
|
||||
echo in my_func $1 > $1.out
|
||||
|
|
|
|||
Loading…
Reference in a new issue