From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Tue, 3 Apr 2012 06:16:05 +0000 (+0200)
Subject: killall5: don't do STOP/CONT dance if the signal we send is SIGSTOP or SIGCONT
X-Git-Tag: 1_20_0~17
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=14850308e902594785e6789a4f28677103ca2096;p=oweals%2Fbusybox.git

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>
---

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;
 	}