From: Bart Van Assche <bvanassche@acm.org>
Date: Sun, 23 Oct 2011 13:28:20 +0000 (+0000)
Subject: helgrind/tests/tc08_hbl2: Avoid busy-waiting
X-Git-Tag: svn/VALGRIND_3_7_0~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c9b048a6dd5ab626fe3420af86c759f84389269;p=thirdparty%2Fvalgrind.git

helgrind/tests/tc08_hbl2: Avoid busy-waiting

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12216
---

diff --git a/helgrind/tests/tc08_hbl2.c b/helgrind/tests/tc08_hbl2.c
index 9c05e38d07..8cc682b74e 100644
--- a/helgrind/tests/tc08_hbl2.c
+++ b/helgrind/tests/tc08_hbl2.c
@@ -102,7 +102,8 @@ void* child_fn ( void* arg )
 {
    int q = 0;
    int oldx = 0;
-   int ctr = 0;
+   struct timespec ts = { 0, 1000 * 1000 };
+
    while (1) {
       q = (x >= LIMIT);
       if (x != oldx) {
@@ -111,10 +112,7 @@ void* child_fn ( void* arg )
          fflush(stdout);
       }
       if (q) break;
-      /* Make sure the parent doesn't starve.  Seems to be a problem
-	 on very slow machines. */
-      ctr++;
-      if (ctr == 2000000) sleep(1);
+      nanosleep(&ts, 0);
    }
    return NULL;
 }