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#include <stdlib.h>
#include <stdio.h>
#include <pthread.h>
#include <sched.h>
static void *
func (void *p)
{
int *counter = (int *) p;
unsigned i;
for (i=0; i<100; i++)
{
(*counter) ++;
{
int array[17];
unsigned x = i % (sizeof(array)/sizeof(array[0]));
/* VRP could prove that x is within [0,16], but until then, the
following access will ensure that array[] is registered to
libmudflap. */
array[x] = i;
}
sched_yield (); /* sleep (1); */
}
return (NULL);
}
int main ()
{
int rc;
unsigned i;
enum foo { NT=10 };
pthread_t threads[NT];
int counts[NT];
for (i=0; i<NT; i++)
{
counts[i] = 0;
rc = pthread_create (& threads[i], NULL, func, (void *) & counts[i]);
if (rc) abort();
}
for (i=0; i<NT; i++)
{
rc = pthread_join (threads[i], NULL);
if (rc) abort();
printf ("%d%s", counts[i], (i==NT-1) ? "\n" : " ");
}
return 0;
}
/* { dg-output "100 100 100 100 100 100 100 100 100 100" } */
/* { dg-repetitions 20 } */
/* { dg-timeout 10 } */
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