X-Git-Url: http://git.ieval.ro/?p=gruntmaster-daemon.git;a=blobdiff_plain;f=gruntmaster-exec;h=fd79d8f316c322c9008f14bbe98b402772011c77;hp=b6577f4649206fee2e1cd108b6ec62cce581d8f1;hb=0418cda23eb73ee9be138d4f8fab977927132007;hpb=cd1a16d15bfb46b75e8b87781fe59f32aa8029c4

diff --git a/gruntmaster-exec b/gruntmaster-exec
index b6577f4..fd79d8f 100755
--- a/gruntmaster-exec
+++ b/gruntmaster-exec
@@ -46,7 +46,13 @@ undef $mlimit if @sudo; # sudo wants a lot of address space
 
 my $ret = fork // die 'Cannot fork';
 if ($ret) {
-	my $tle;
+	my ($tle, $child_ready);
+	local $SIG{USR1} = sub { $child_ready = 1 };
+	sleep 3; # Wait for ready signal (SIGUSR1)
+	unless ($child_ready) {
+		kill KILL => $ret;
+		exit !say ERR, "\nNo response from gruntmaster-exec child";
+	}
 	local $SIG{ALRM} = sub {
 		if ($killuser) {
 			system @sudo, 'pkill', '-KILL', '-u', $killuser;
@@ -92,6 +98,7 @@ if ($ret) {
 	print $adj 900;
 	close $adj;
 	unshift @ARGV, @sudo;
+	kill USR1 => getppid; # Tell parent process that we're ready
 	say STDERR "Executing: ", join ' ', map { "'$_'" } @ARGV if $debug;
 	exec @ARGV;
 }