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-rw-r--r--usr.bin/su/su.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.bin/su/su.c b/usr.bin/su/su.c
index ec11570e7009..b90be97adb81 100644
--- a/usr.bin/su/su.c
+++ b/usr.bin/su/su.c
@@ -319,6 +319,8 @@ main(int argc, char *argv[])
child_pid = fork();
switch (child_pid) {
default:
+ setpgid(child_pid, child_pid);
+ tcsetpgrp(1, child_pid);
while ((ret_pid = waitpid(child_pid, &statusp, WUNTRACED)) != -1) {
if (WIFSTOPPED(statusp)) {
child_pgrp = tcgetpgrp(1);