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#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <pthread.h>
#include <unistd.h>
#include <sys/time.h>
static pthread_mutex_t m;
static void *
tf (void *data)
{
int err = pthread_mutex_lock (&m);
if (err == EOWNERDEAD)
{
err = pthread_mutex_consistent_np (&m);
if (err)
{
puts ("pthread_mutex_consistent_np");
exit (1);
}
}
else if (err)
{
puts ("pthread_mutex_lock");
exit (1);
}
printf ("thread%ld got the lock.\n", (long int) data);
sleep (1);
/* exit without unlock */
return NULL;
}
static int
do_test (void)
{
int err, i;
pthread_t t[3];
pthread_mutexattr_t ma;
pthread_mutexattr_init (&ma);
err = pthread_mutexattr_setrobust_np (&ma, PTHREAD_MUTEX_ROBUST_NP);
if (err)
{
puts ("pthread_mutexattr_setrobust_np");
return 1;
}
#ifdef ENABLE_PI
if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_INHERIT) != 0)
{
puts ("pthread_mutexattr_setprotocol failed");
return 1;
}
#endif
err = pthread_mutex_init (&m, &ma);
#ifdef ENABLE_PI
if (err == ENOTSUP)
{
puts ("PI robust mutexes not supported");
return 0;
}
#endif
if (err)
{
puts ("pthread_mutex_init");
return 1;
}
for (i = 0; i < sizeof (t) / sizeof (t[0]); i++)
{
err = pthread_create (&t[i], NULL, tf, (void *) (long int) i);
if (err)
{
puts ("pthread_create");
return 1;
}
}
for (i = 0; i < sizeof (t) / sizeof (t[0]); i++)
{
err = pthread_join (t[i], NULL);
if (err)
{
puts ("pthread_join");
return 1;
}
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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