ipbench-cvs

[Ian W. <del...@us...>]

Update of /cvsroot/ipbench/ipbench2/src/tests/cpu_target_lukem
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv19834

Modified Files:
	cpu_target_lukem.c 
Log Message:
use a conditional variable to sleep on


Index: cpu_target_lukem.c
===================================================================
RCS file: /cvsroot/ipbench/ipbench2/src/tests/cpu_target_lukem/cpu_target_lukem.c,v
retrieving revision 1.9
retrieving revision 1.10
diff -C2 -d -r1.9 -r1.10
*** cpu_target_lukem.c	23 Feb 2005 05:56:13 -0000	1.9
--- cpu_target_lukem.c	23 Feb 2005 22:45:38 -0000	1.10
***************
*** 24,28 ****
  static int calc = 1;
  
! volatile static int running = 1;
  
  void *idle_thread(void *arg)
--- 24,29 ----
  static int calc = 1;
  
! static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
! static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
  
  void *idle_thread(void *arg)
***************
*** 107,110 ****
--- 108,114 ----
  	pthread_create(&ithr, NULL, idle_thread, NULL);
  
+ 	/* lock the mutex */
+ 	pthread_mutex_lock(&mutex);
+ 
  	return 0;
  }
***************
*** 113,121 ****
  cpu_target_lukem_start(struct timeval *start)
  {
- 	int i;
  	gettimeofday(start, NULL);
  	dbprintf("Starting.\n");
! 	while (running);
! 		sleep(1);
  	dbprintf("Complete.\n");
  	return 0;
--- 117,126 ----
  cpu_target_lukem_start(struct timeval *start)
  {
  	gettimeofday(start, NULL);
  	dbprintf("Starting.\n");
! 	
! 	/* wait on the conditional */
! 	pthread_cond_wait(&cond, &mutex);
! 
  	dbprintf("Complete.\n");
  	return 0;
***************
*** 127,131 ****
  	gettimeofday(stop, NULL);
  	calc = 0;
! 	running = 0;
  	dbprintf("Stopping.\n");
  	return 0;
--- 132,136 ----
  	gettimeofday(stop, NULL);
  	calc = 0;
! 	pthread_cond_signal(&cond);
  	dbprintf("Stopping.\n");
  	return 0;