Back to index

glibc  2.9
Defines | Functions
tst-rwlock2.c File Reference
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include "../test-skeleton.c"
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Defines

#define TYPE   PTHREAD_RWLOCK_PREFER_READER_NP
#define TEST_FUNCTION   do_test ()

Functions

static int do_test (void)

Define Documentation

#define TEST_FUNCTION   do_test ()

Definition at line 168 of file tst-rwlock2.c.

#define TYPE   PTHREAD_RWLOCK_PREFER_READER_NP

Function Documentation

static int do_test ( void  ) [static]

Definition at line 26 of file tst-rwlock2.c.

{
  pthread_rwlock_t r;
  pthread_rwlockattr_t at;
  int e;

  if (pthread_rwlockattr_init (&at) != 0)
    {
      puts ("rwlockattr_init failed");
      return 1;
    }
  puts ("rwlockattr_init succeeded");

#ifndef TYPE
# define TYPE PTHREAD_RWLOCK_PREFER_READER_NP
#endif

  if (pthread_rwlockattr_setkind_np (&at, TYPE) != 0)
    {
      puts ("rwlockattr_setkind failed");
      return 1;
    }
  puts ("rwlockattr_setkind succeeded");

  if (pthread_rwlock_init (&r, &at) != 0)
    {
      puts ("rwlock_init failed");
      return 1;
    }
  puts ("rwlock_init succeeded");

  if (pthread_rwlockattr_destroy (&at) != 0)
    {
      puts ("rwlockattr_destroy failed");
      return 1;
    }
  puts ("rwlockattr_destroy succeeded");

  if (pthread_rwlock_wrlock (&r) != 0)
    {
      puts ("1st rwlock_wrlock failed");
      return 1;
    }
  puts ("1st rwlock_wrlock succeeded");

  e = pthread_rwlock_tryrdlock (&r);
  if (e == 0)
    {
      puts ("rwlock_tryrdlock on rwlock with writer succeeded");
      return 1;
    }
  if (e != EBUSY)
    {
      puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY");
      return 1;
    }
  puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY");

  e = pthread_rwlock_trywrlock (&r);
  if (e == 0)
    {
      puts ("rwlock_trywrlock on rwlock with writer succeeded");
      return 1;
    }
  if (e != EBUSY)
    {
      puts ("rwlock_trywrlock on rwlock with writer return value != EBUSY");
      return 1;
    }
  puts ("rwlock_trywrlock on rwlock with writer failed with EBUSY");

  if (pthread_rwlock_unlock (&r) != 0)
    {
      puts ("1st rwlock_unlock failed");
      return 1;
    }
  puts ("1st rwlock_unlock succeeded");

  if (pthread_rwlock_tryrdlock (&r) != 0)
    {
      puts ("rwlock_tryrdlock on unlocked rwlock failed");
      return 1;
    }
  puts ("rwlock_tryrdlock on unlocked rwlock succeeded");

  e = pthread_rwlock_trywrlock (&r);
  if (e == 0)
    {
      puts ("rwlock_trywrlock on rwlock with reader succeeded");
      return 1;
    }
  if (e != EBUSY)
    {
      puts ("rwlock_trywrlock on rwlock with reader return value != EBUSY");
      return 1;
    }
  puts ("rwlock_trywrlock on rwlock with reader failed with EBUSY");

  if (pthread_rwlock_unlock (&r) != 0)
    {
      puts ("2nd rwlock_unlock failed");
      return 1;
    }
  puts ("2nd rwlock_unlock succeeded");

  if (pthread_rwlock_trywrlock (&r) != 0)
    {
      puts ("rwlock_trywrlock on unlocked rwlock failed");
      return 1;
    }
  puts ("rwlock_trywrlock on unlocked rwlock succeeded");

  e = pthread_rwlock_tryrdlock (&r);
  if (e == 0)
    {
      puts ("rwlock_tryrdlock on rwlock with writer succeeded");
      return 1;
    }
  if (e != EBUSY)
    {
      puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY");
      return 1;
    }
  puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY");

  if (pthread_rwlock_unlock (&r) != 0)
    {
      puts ("3rd rwlock_unlock failed");
      return 1;
    }
  puts ("3rd rwlock_unlock succeeded");

  if (pthread_rwlock_destroy (&r) != 0)
    {
      puts ("rwlock_destroy failed");
      return 1;
    }
  puts ("rwlock_destroy succeeded");

  return 0;
}

Here is the call graph for this function: