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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [gdb/] [testsuite/] [gdb.threads/] [step.c] - Blame information for rev 330

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Line No. Rev Author Line
1 330 jeremybenn
/*    step.c for step.exp    */
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#include <ipc.h>
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#include <pthread.h>
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#include <st.h>
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#include <signal.h>
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#include <stdio.h>
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void alarm_handler ();
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void alarm_handler1 ();
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void alarm_handler2 ();
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void thread1 ();
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void thread2 ();
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#define TIME_LIMIT 30
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int count1 = 0;
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int count2 = 0;
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pthread_t tid1, tid2;
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pthread_attr_t attr1, attr2;
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pthread_mutex_t mut;
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pthread_mutexattr_t mut_attr;
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pthread_condattr_t cv_attr_a, cv_attr_b;
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pthread_cond_t cv_a, cv_b;
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struct cv_struct
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  {
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    char a;
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    char b;
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  }
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test_struct;
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main ()
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{
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  /*init la struct */
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  test_struct.a = 0;
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  test_struct.b = 1;
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  /* create le mutex */
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  if (pthread_mutexattr_create (&mut_attr) == -1)
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    {
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      perror ("mutexattr_create");
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      exit (1);
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    }
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  if (pthread_mutex_init (&mut, mut_attr) == -1)
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    {
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      perror ("mutex_init");
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      exit (1);
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    }
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  /* create 2 cv */
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  if (pthread_condattr_create (&cv_attr_a) == -1)
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    {
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      perror ("condattr_create(1)");
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      exit (1);
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    }
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  if (pthread_cond_init (&cv_a, cv_attr_a) == -1)
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    {
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      perror ("cond_init(1)");
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      exit (1);
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    }
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  if (pthread_condattr_create (&cv_attr_b) == -1)
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    {
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      perror ("condattr_create(2)");
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      exit (1);
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    }
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  if (pthread_cond_init (&cv_b, cv_attr_b) == -1)
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    {
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      perror ("cond_init(2)");
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      exit (1);
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    }
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  /* create 2 threads of execution */
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  if (pthread_attr_create (&attr1) == -1)
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    {
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      perror ("attr_create(1)");
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      exit (1);
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    }
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  if (pthread_create (&tid1, attr1, thread1, &count1) == -1)
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    {
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      perror ("pthread_create(1)");
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      exit (1);
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    }
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  if (pthread_attr_create (&attr2) == -1)
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    {
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      perror ("attr_create(2)");
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      exit (1);
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    }
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  if (pthread_create (&tid2, attr2, thread2, &count2) == -1)
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    {
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      perror ("pthread_create(2)");
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      exit (1);
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    }
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  /* set alarm to print out data and exit */
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  signal (SIGALRM, alarm_handler);
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  alarm (TIME_LIMIT);
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  for (;;)
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    pause ();
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}
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void
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thread1 (count)
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     int *count;
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{
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  tid_t tid;
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  tid = getstid ();
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  printf ("Thread1 tid 0x%x  (%d) \n", tid, tid);
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  printf ("Thread1 @tid=0x%x \n", &tid);
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  signal (SIGALRM, alarm_handler1);
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  for (;;)
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    {
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      if (pthread_mutex_lock (&mut) == -1)
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        {
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          perror ("pthread_mutex_lock(1)");
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          pthread_exit ((void *) 0);
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        }
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      while (test_struct.a == 0)
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        {
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          if (pthread_cond_wait (&cv_a, &mut) == -1)
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            {
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              perror ("pthread_cond_wait(1)");
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              pthread_exit ((void *) -1);
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            }
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        }
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      (*count)++;
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      printf ("*******thread1 count %d\n", *count);
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      test_struct.a = 0;
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      test_struct.b = 1;
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      pthread_cond_signal (&cv_b);
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      if (pthread_mutex_unlock (&mut) == -1)
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        {
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          perror ("pthread_mutex_unlock(1)");
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          pthread_exit ((void *) -1);
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        }
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    }
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}
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void
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thread2 (count)
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     int *count;
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{
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  tid_t tid;
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  tid = getstid ();
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  printf ("Thread2 tid 0x%x  (%d) \n", tid, tid);
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  printf ("Thread1 @tid=0x%x \n", &tid);
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  signal (SIGALRM, alarm_handler2);
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  for (;;)
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    {
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      if (pthread_mutex_lock (&mut) == -1)
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        {
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          perror ("pthread_mutex_lock(2)");
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          pthread_exit ((void *) 0);
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        }
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      while (test_struct.b == 0)
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        {
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          if (pthread_cond_wait (&cv_b, &mut) == -1)
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            {
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              perror ("pthread_cond_wait(2)");
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              pthread_exit ((void *) -1);
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            }
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        }
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      (*count)++;
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      printf ("*******thread2 count %d\n", *count);
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      test_struct.b = 0;
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      test_struct.a = 1;
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      pthread_cond_signal (&cv_a);
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      if (pthread_mutex_unlock (&mut) == -1)
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        {
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          perror ("pthread_mutex_unlock(2)");
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          pthread_exit ((void *) -1);
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        }
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    }
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}
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void
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alarm_handler ()
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{
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  printf ("\tcount1 (%d) \n\tcount2 (%d)\n", count1, count2);
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  exit (0);
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}
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void
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alarm_handler1 ()
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{
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  printf ("ALARM thread 1\n");
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}
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void
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alarm_handler2 ()
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{
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  printf ("ALARM thread 2\n");
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  pthread_exit ((void *) 0);
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}

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