X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=src%2FPVE%2FRESTEnvironment.pm;h=338a534d4abcec6d4eb1292b04f4d3720dc41636;hb=4cbcd1386f225f42896fe790337d152718498693;hp=32ffdd157f48a898697f77f7b582df471c5f6f64;hpb=8733bb8078f7c5d79582dfdd177db306cbc3c9e9;p=pve-common.git

diff --git a/src/PVE/RESTEnvironment.pm b/src/PVE/RESTEnvironment.pm
index 32ffdd1..338a534 100644
--- a/src/PVE/RESTEnvironment.pm
+++ b/src/PVE/RESTEnvironment.pm
@@ -494,10 +494,17 @@ sub fork_worker {
 	$SIG{INT} = $SIG{QUIT} = $SIG{TERM} = sub { die "received interrupt\n"; };
 
 	$SIG{CHLD} = $SIG{PIPE} = 'DEFAULT';
-
-	# set sess/process group - we want to be able to kill the
-	# whole process group
-	POSIX::setsid();
+	$SIG{TTOU} = 'IGNORE';
+
+	# set session/process group allows to kill the process group
+	if ($sync && -t STDIN) {
+	    # some sync'ed workers operate on the tty but setsid sessions lose
+	    # the tty, so just create a new pgroup and give it the tty
+	    POSIX::setpgid(0, 0) or die "failed to setpgid: $!\n";
+	    POSIX::tcsetpgrp(fileno(STDIN), $$) or die "failed to tcsetpgrp: $!\n";
+	} else {
+	    POSIX::setsid();
+	}
 
 	POSIX::close ($psync[0]);
 	POSIX::close ($ctrlfd[0]) if $sync;