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glibc  2.9
Defines | Functions | Variables
tst-mutex8.c File Reference
#include <errno.h>
#include <pthread.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "../test-skeleton.c"
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Defines

#define TEST_FUNCTION   do_test ()

Functions

static void cl (void *arg)
static void * tf (void *arg)
static int check_type (const char *mas, pthread_mutexattr_t *ma)
static int do_test (void)

Variables

static pthread_mutex_tm
static pthread_barrier_t b
static pthread_cond_t c
static bool done

Define Documentation

#define TEST_FUNCTION   do_test ()

Definition at line 366 of file tst-mutex8.c.


Function Documentation

static int check_type ( const char *  mas,
pthread_mutexattr_t ma 
) [static]

Definition at line 95 of file tst-mutex8.c.

{
  if (pthread_mutex_init (m, ma) != 0)
    {
      printf ("1st mutex_init failed for %s\n", mas);
      return 1;
    }

  if (pthread_mutex_destroy (m) != 0)
    {
      printf ("immediate mutex_destroy failed for %s\n", mas);
      return 1;
    }

  if (pthread_mutex_init (m, ma) != 0)
    {
      printf ("2nd mutex_init failed for %s\n", mas);
      return 1;
    }

  if (pthread_mutex_lock (m) != 0)
    {
      printf ("1st mutex_lock failed for %s\n", mas);
      return 1;
    }

  int e = pthread_mutex_destroy (m);
  if (e == 0)
    {
      printf ("mutex_destroy of self-locked mutex succeeded for %s\n", mas);
      return 1;
    }
  if (e != EBUSY)
    {
      printf ("mutex_destroy of self-locked mutex did not return EBUSY %s\n",
             mas);
      return 1;
    }

  if (pthread_mutex_unlock (m) != 0)
    {
      printf ("1st mutex_unlock failed for %s\n", mas);
      return 1;
    }

  if (pthread_mutex_trylock (m) != 0)
    {
      printf ("mutex_trylock failed for %s\n", mas);
      return 1;
    }

  e = pthread_mutex_destroy (m);
  if (e == 0)
    {
      printf ("mutex_destroy of self-trylocked mutex succeeded for %s\n", mas);
      return 1;
    }
  if (e != EBUSY)
    {
      printf ("\
mutex_destroy of self-trylocked mutex did not return EBUSY %s\n",
             mas);
      return 1;
    }

  if (pthread_mutex_unlock (m) != 0)
    {
      printf ("2nd mutex_unlock failed for %s\n", mas);
      return 1;
    }

  pthread_t th;
  if (pthread_create (&th, NULL, tf, NULL) != 0)
    {
      puts ("1st create failed");
      return 1;
    }
  done = false;

  e = pthread_barrier_wait (&b);
  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      puts ("1st barrier_wait failed");
      return 1;
    }

  if (pthread_mutex_lock (m) != 0)
    {
      printf ("2nd mutex_lock failed for %s\n", mas);
      return 1;
    }

  if (pthread_mutex_unlock (m) != 0)
    {
      printf ("3rd mutex_unlock failed for %s\n", mas);
      return 1;
    }

  e = pthread_mutex_destroy (m);
  if (e == 0)
    {
      printf ("mutex_destroy of condvar-used mutex succeeded for %s\n", mas);
      return 1;
    }
  if (e != EBUSY)
    {
      printf ("\
mutex_destroy of condvar-used mutex did not return EBUSY for %s\n", mas);
      return 1;
    }

  done = true;
  if (pthread_cond_signal (&c) != 0)
    {
      puts ("cond_signal failed");
      return 1;
    }

  void *r;
  if (pthread_join (th, &r) != 0)
    {
      puts ("join failed");
      return 1;
    }
  if (r != NULL)
    {
      puts ("thread didn't return NULL");
      return 1;
    }

  if (pthread_mutex_destroy (m) != 0)
    {
      printf ("mutex_destroy after condvar-use failed for %s\n", mas);
      return 1;
    }

  if (pthread_mutex_init (m, ma) != 0)
    {
      printf ("3rd mutex_init failed for %s\n", mas);
      return 1;
    }

  if (pthread_create (&th, NULL, tf, (void *) 1) != 0)
    {
      puts ("2nd create failed");
      return 1;
    }
  done = false;

  e = pthread_barrier_wait (&b);
  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      puts ("2nd barrier_wait failed");
      return 1;
    }

  if (pthread_mutex_lock (m) != 0)
    {
      printf ("3rd mutex_lock failed for %s\n", mas);
      return 1;
    }

  if (pthread_mutex_unlock (m) != 0)
    {
      printf ("4th mutex_unlock failed for %s\n", mas);
      return 1;
    }

  e = pthread_mutex_destroy (m);
  if (e == 0)
    {
      printf ("2nd mutex_destroy of condvar-used mutex succeeded for %s\n",
             mas);
      return 1;
    }
  if (e != EBUSY)
    {
      printf ("\
2nd mutex_destroy of condvar-used mutex did not return EBUSY for %s\n",
             mas);
      return 1;
    }

  if (pthread_cancel (th) != 0)
    {
      puts ("cond_cancel failed");
      return 1;
    }

  if (pthread_join (th, &r) != 0)
    {
      puts ("join failed");
      return 1;
    }
  if (r != PTHREAD_CANCELED)
    {
      puts ("thread not canceled");
      return 1;
    }

  if (pthread_mutex_destroy (m) != 0)
    {
      printf ("mutex_destroy after condvar-canceled failed for %s\n", mas);
      return 1;
    }

  return 0;
}

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static void cl ( void *  arg) [static]

Definition at line 35 of file tst-mutex8.c.

{
  if (pthread_mutex_unlock (m) != 0)
    {
      puts ("cl: mutex_unlocked failed");
      exit (1);
    }
}

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static int do_test ( void  ) [static]

Definition at line 306 of file tst-mutex8.c.

{
  pthread_mutex_t mm;
  m = &mm;

  if (pthread_barrier_init (&b, NULL, 2) != 0)
    {
      puts ("barrier_init failed");
      return 1;
    }

  if (pthread_cond_init (&c, NULL) != 0)
    {
      puts ("cond_init failed");
      return 1;
    }

  puts ("check normal mutex");
  int res = check_type ("normal", NULL);

  pthread_mutexattr_t ma;
  if (pthread_mutexattr_init (&ma) != 0)
    {
      puts ("1st mutexattr_init failed");
      return 1;
    }
  if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_RECURSIVE) != 0)
    {
      puts ("1st mutexattr_settype failed");
      return 1;
    }
  puts ("check recursive mutex");
  res |= check_type ("recursive", &ma);
  if (pthread_mutexattr_destroy (&ma) != 0)
    {
      puts ("1st mutexattr_destroy failed");
      return 1;
    }

  if (pthread_mutexattr_init (&ma) != 0)
    {
      puts ("2nd mutexattr_init failed");
      return 1;
    }
  if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_ERRORCHECK) != 0)
    {
      puts ("2nd mutexattr_settype failed");
      return 1;
    }
  puts ("check error-checking mutex");
  res |= check_type ("error-checking", &ma);
  if (pthread_mutexattr_destroy (&ma) != 0)
    {
      puts ("2nd mutexattr_destroy failed");
      return 1;
    }

  return res;
}

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static void* tf ( void *  arg) [static]

Definition at line 46 of file tst-mutex8.c.

{
  if (pthread_mutex_lock (m) != 0)
    {
      puts ("tf: mutex_lock failed");
      return (void *) 1l;
    }

  int e = pthread_barrier_wait (&b);
  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      puts ("barrier_wait failed");
      return (void *) 1l;
    }

  if (arg == NULL)
    do
      if (pthread_cond_wait (&c, m) != 0)
       {
         puts ("tf: cond_wait failed");
         return (void *) 1l;
       }
    while (! done);
  else
    do
      {
       pthread_cleanup_push (cl, NULL);

       if (pthread_cond_wait (&c, m) != 0)
         {
           puts ("tf: cond_wait failed");
           return (void *) 1l;
         }

       pthread_cleanup_pop (0);
      }
    while (! done);

  if (pthread_mutex_unlock (m) != 0)
    {
      puts ("tf: mutex_unlock failed");
      return (void *) 1l;
    }

  return NULL;
}

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Variable Documentation

pthread_barrier_t b [static]

Definition at line 29 of file tst-mutex8.c.

pthread_cond_t c [static]

Definition at line 30 of file tst-mutex8.c.

bool done [static]

Definition at line 31 of file tst-mutex8.c.

pthread_mutex_t* m [static]

Definition at line 28 of file tst-mutex8.c.