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* Don't use ssh's -f flag since it leads to lots of lingering ssh

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processes.
This commit is contained in:
Eelco Dolstra 2010-02-04 02:38:40 +00:00
parent 7ec5a65925
commit 443673620d
1 changed files with 12 additions and 2 deletions
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14
scripts/ssh.pm
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@ -18,8 +18,18 @@ sub openSSHConnection {
or die "cannot create a temporary directory";
push @sshOpts, "-S", "$tmpDir/control";
system("ssh $sshHost @sshOpts -M -N -f") == 0
or return 0;
# Start the master. We can't use the `-f' flag (fork into
# background after establishing the connection) because then the
# child continues to run if we are killed. So instead make SSH
# print "started" when it has established the connection, and wait
# until we see that.
open SSH, "ssh $sshHost @sshOpts -M -N -o LocalCommand='echo started' -o PermitLocalCommand=yes |" or die;
while (<SSH>) {
chomp;
last if /started/;
}
$sshStarted = 1;
return 1;
}