/* main */
int main(int argc, char *argv[])
{
int threads = atoi(argv[5]);
/* initialize rw lock */
struct rw *l = NULL;
preference pref;
/* populate struct */
struct opts *o = malloc(sizeof(struct opts));
o->wcslen = atoi(argv[1]);
o->rcslen = atoi(argv[2]);
o->ncslen = atoi(argv[3]);
o->prob = atoi(argv[4]);
o->array = calloc(64, sizeof(int));
o->msecs = atoi(argv[7]);
switch (atoi(argv[6])) {
case 0:
pref = NEUTRAL;
break;
case 1:
pref = READER;
break;
case 2:
pref = WRITER;
break;
case 3:
pref = READER_OPT;
break;
}
o->lock = init_rw(pref);
pthread_t *t = malloc(sizeof(pthread_t) * threads);
for (int i = 0; i < threads; i++)
pthread_create(&t[i], NULL, rw_bnchmrk, (void *)o);
long ac = 0;
void *status;
for (int i = 0; i < threads; i++) {
pthread_join(t[i], &status);
ac += (long)status;
}
printf ("%ld\n",ac);
destroy_rw(o->lock);
free(t);
free(o->array);
free(o);
return 0;
}
int init_rw_dec(uint_fast8_t n)
{
// If sizeof(subset_t) * (1ul << n) overflows, it wraps around to 0, since size_t and unsigned long are unsigned integer types.
if(n && !(sizeof(subset_t) * (1ul << n)))
return(-1);
if(init_rw(n))
return(-1);
cslots = malloc(sizeof(subset_t) * (1ul << n));
return(cslots ? 0 : -1);
}
