#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
#include <assert.h>


void* pth1(void *args)
{
	pthread_key_t key, key2;
	int value = 1;
	void *getv;

	getv = pthread_getspecific(key);
	assert(getv == NULL);

	pthread_key_create(&key, NULL);
	getv = pthread_getspecific(key);
	assert(getv == NULL);

	pthread_setspecific(key, &value);
	getv = pthread_getspecific(key);
	assert(getv == &value);

	getv = pthread_getspecific(key2);
	assert(getv == NULL);

	pthread_key_delete(key);

	return NULL;
}

int
main()
{
	pthread_t t1;

	pthread_create(&t1, NULL, pth1, NULL);
	pthread_join(t1, NULL);


	return 0;
}