Subversion Repositories HelenOS

(root)//trunk/kernel/test/synch/rwlock4.c – Rev 3069 → 3838



{
    uint32_t rc;
 
    spinlock_lock(&rw_lock);   
    rc = seed % max;
    seed = (((seed << 2) ^ (seed >> 2)) * 487) + rc;
    spinlock_unlock(&rw_lock);
    return rc;
}
 
static void writer(void *arg)

Rev 3069	Rev 3838
Line 58...	Line 58...
58	{	58	{
59	uint32_t rc;	59	uint32_t rc;
60		60
61	spinlock_lock(&rw_lock);	61	spinlock_lock(&rw_lock);
62	rc = seed % max;	62	rc = seed % max;
63	seed = (((seed<<2) ^ (seed>>2)) * 487) + rc;	63	seed = (((seed << 2) ^ (seed >> 2)) * 487) + rc;
64	spinlock_unlock(&rw_lock);	64	spinlock_unlock(&rw_lock);
65	return rc;	65	return rc;
66	}	66	}
67		67
68	static void writer(void *arg)	68	static void writer(void *arg)