Attachment 313441 Details for Bug 457909 – Fix synchronization in the test

Fix synchronization in the test

sf.patch (text/plain), 1.46 KB, created by IBM Bug Proxy on 2008-08-05 11:10:32 UTC

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Creator: IBM Bug Proxy

Created: 2008-08-05 11:10:32 UTC

Size: 1.46 KB

patch

obsolete

>Index: ltp/testcases/realtime/func/sched_football/sched_football.c
>===================================================================
>--- ltp.orig/testcases/realtime/func/sched_football/sched_football.c	2008-07-30 22:38:13.000000000 -0700
>+++ ltp/testcases/realtime/func/sched_football/sched_football.c	2008-07-31 22:50:01.000000000 -0700
>@@ -79,6 +79,7 @@
> 
> /* simple mutex for our atomic increments */
> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
>+pthread_barrier_t barrier;
> 
> static int run_jvmsim=0;
> static int players_per_team = 0;
>@@ -125,6 +126,8 @@
> 	defense_count++;
> 	pthread_mutex_unlock(&mutex);
> 
>+	pthread_barrier_wait(&barrier);
>+
> 	/*keep the ball from being moved */
> 	while (1) {
> 		sched_yield(); /* let other defenders run */
>@@ -140,6 +143,8 @@
> 	offense_count++;
> 	pthread_mutex_unlock(&mutex);
> 
>+	pthread_barrier_wait(&barrier);
>+
> 	while (1) {
> 		the_ball++; /* move the ball ahead one yard */
> 		sched_yield(); /* let other offensive players run */
>@@ -158,6 +163,8 @@
> 	now = start;
> 	the_ball = 0;
> 
>+	pthread_barrier_wait(&barrier);
>+
> 	/* Watch the game */
> 	while ((now.tv_sec - start.tv_sec) < game_length) {
> 		sleep(1);
>@@ -189,6 +196,11 @@
>                 printf("jvmsim disabled\n");
> 	}
> 
>+	if ((i = pthread_barrier_init(&barrier, NULL, players_per_team*2 + 1))) {
>+		printf("pthread_barrier_init failed: %s\n", strerror(i));
>+		exit(i);
>+	}
>+
> 	printf("Running with: players_per_team=%d game_length=%d\n",
> 	       players_per_team, game_length);
>

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Attachments on bug 457909: 313440 | 313441 | 348969 | 348970 | 349102 | 349154 | 349178