killall5: don't do STOP/CONT dance if the signal we send is SIGSTOP or SIGCONT

function                                             old     new   delta
kill_main                                            913     942     +29

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/procps/kill.c b/procps/kill.c
index b267a7aaf..cd189bcd6 100644
--- a/procps/kill.c
+++ b/procps/kill.c
@@ -163,7 +163,8 @@ int kill_main(int argc, char **argv)
                 /* Find out our session id */
                 sid = getsid(pid);
                 /* Stop all processes */
-                kill(-1, SIGSTOP);
+                if (signo != SIGSTOP && signo != SIGCONT)
+                        kill(-1, SIGSTOP);
                 /* Signal all processes except those in our session */
                 while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_SID)) != NULL) {
                         int i;
@@ -203,7 +204,8 @@ int kill_main(int argc, char **argv)
                 }
  resume:
                 /* And let them continue */
-                kill(-1, SIGCONT);
+                if (signo != SIGSTOP && signo != SIGCONT)
+                        kill(-1, SIGCONT);
                 return ret;
         }