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f27ffb51f5
gdb tests (step.exp and step2.exp). * config/mt-lynx (STEP_EXECUTABLE): Define. (THREADFLAGS): Define. Hiro's test for 6100 and a crude test of my own. They both need some major cleanup for non-lynx hosts; both are also a little too loose in their checks. But I'm too burnt out on lynx to address either concern.
222 lines
3.7 KiB
C
222 lines
3.7 KiB
C
/* 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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