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From: Brooks Davis <brooks@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
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Subject: PERFORCE change 213465 for review
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http://p4web.freebsd.org/@@213465?ac=10

Change 213465 by brooks@brooks_ecr_current on 2012/06/26 00:06:07

	Unbreak the case where we haven't worked a child process.

Affected files ...

.. //depot/projects/ctsrd/beribsd/src/ctsrd/spinner/spinner.c#3 edit

Differences ...

==== //depot/projects/ctsrd/beribsd/src/ctsrd/spinner/spinner.c#3 (text+ko) ====

@@ -80,7 +80,7 @@
 main(int argc, char *argv[])
 {
 	int		 alpha, ch, i, ofd;
-	pid_t		 pid;
+	pid_t		 pid = 0;
 	char		*ep;
 	char		 imgpath[MAXPATHLEN];
 	u_int32_t	*bottom, *top;
@@ -164,7 +164,8 @@
 
 
 	for (i = 0; i < NSPINNERS; i++) {
-		poll_child(pid);
+		if (pid != 0)
+			poll_child(pid);
 		snprintf(imgpath, sizeof(imgpath),
 		    "%s/spinner%02d.png", IMGDIR, i);
 		read_png_file(imgpath, spinners[i], fb_width, fb_height);
@@ -191,7 +192,8 @@
 		if (i >= NSPINNERS)
 			i = 0;
 		fb_post(spinners[i]);
-		poll_child(pid);
+		if (pid != 0)
+			poll_child(pid);
 	}
 
 	fb_fade2off();