Retro68/gcc/libitm/testsuite/libitm.c/txrelease.c
Wolfgang Thaller aaf905ce07 add gcc 4.70
2012-03-28 01:13:14 +02:00

50 lines
1.2 KiB
C

/* This test triggers execution of the code that releases per-thread
transaction data when a thread exists, potentially repeatedly. However,
we currently cannot check whether the data has indeed been released. */
/* { dg-options "-pthread" } */
#include <stddef.h>
#include <stdlib.h>
#include <pthread.h>
static int round = 0;
static pthread_key_t key;
static void
thread_exit_handler(void *dummy __attribute__((unused)))
{
if (round == 0)
abort();
if (round == 1)
{
// ??? It would be good if we could check here that the transaction has
// indeed been released.
__transaction_atomic { round++; }
if (pthread_setspecific(key, &round))
abort();
}
// ??? It would be good if we could check here that the transaction has
// indeed been released (again).
}
static void *thread (void *dummy __attribute__((unused)))
{
if (pthread_key_create(&key, thread_exit_handler))
abort();
if (pthread_setspecific(key, &round))
abort();
__transaction_atomic { round++; }
return NULL;
}
int main()
{
pthread_t pt;
pthread_create(&pt, NULL, thread, NULL);
pthread_join(pt, NULL);
if (round != 2)
abort();
return 0;
}