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/* Test error checking mutexes. */
#define _GNU_SOURCE
#include <pthread.h>
#include <assert.h>
#include <error.h>
#include <errno.h>
int
main (int argc, char **argv)
{
error_t err;
pthread_mutexattr_t mattr;
pthread_mutex_t mutex;
err = pthread_mutexattr_init (&mattr);
if (err)
error (1, err, "pthread_mutexattr_init");
err = pthread_mutexattr_settype (&mattr, PTHREAD_MUTEX_ERRORCHECK);
if (err)
error (1, err, "pthread_mutexattr_settype");
err = pthread_mutex_init (&mutex, &mattr);
if (err)
error (1, err, "pthread_mutex_init");
err = pthread_mutexattr_destroy (&mattr);
if (err)
error (1, err, "pthread_mutexattr_destroy");
err = pthread_mutex_lock (&mutex);
assert (err == 0);
err = pthread_mutex_lock (&mutex);
assert (err == EDEADLK);
err = pthread_mutex_unlock (&mutex);
assert (err == 0);
err = pthread_mutex_unlock (&mutex);
assert (err == EPERM);
return 0;
}
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