From: Ben Pfaff <blp@cs.stanford.edu>
Date: Wed, 6 Jul 2005 20:45:36 +0000 (+0000)
Subject: Eliminate race condition in timer_print_stats() found by Sorav's
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7891eee6ec6f5db5dc0ab0a3b4790936bfffaabb;p=pintos-anon

Eliminate race condition in timer_print_stats() found by Sorav's
Checkbochs tool.
---

diff --git a/src/devices/timer.c b/src/devices/timer.c
index 24eede0..c8c41d5 100644
--- a/src/devices/timer.c
+++ b/src/devices/timer.c
@@ -123,7 +123,7 @@ timer_nsleep (int64_t ns)
 void
 timer_print_stats (void) 
 {
-  printf ("Timer: %"PRId64" ticks\n", ticks);
+  printf ("Timer: %"PRId64" ticks\n", timer_ticks ());
 }
 
 /* Timer interrupt handler. */