From: Sami Kerola <kerolasa@iki.fi>
Date: Mon, 12 Sep 2011 20:01:03 +0000 (+0200)
Subject: ipcmk: allow high speed ipc creation
X-Git-Tag: v2.21-rc1~402^2~4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b332ef44cfaf226140c7e47e4fefbbe602676519;p=thirdparty%2Futil-linux.git

ipcmk: allow high speed ipc creation

This commit will allow user to create quickly plenty of ipc
resources. Earlier the line bellow gave no satisfaction.

for i in $(seq 0 42); do ipcmk -Q; done

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/sys-utils/ipcmk.c b/sys-utils/ipcmk.c
index b4bc5be197..c91908bde8 100644
--- a/sys-utils/ipcmk.c
+++ b/sys-utils/ipcmk.c
@@ -28,7 +28,7 @@
 #include <sys/msg.h>
 #include <sys/sem.h>
 #include <sys/shm.h>
-#include <time.h>
+#include <sys/time.h>
 
 #include "c.h"
 #include "nls.h"
@@ -36,7 +36,9 @@
 
 key_t create_key(void)
 {
-	srandom(time(NULL));
+	struct timeval now;
+	gettimeofday(&now, NULL);
+	srandom(now.tv_usec);
 	return random();
 }