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(root)/SPARTAN/trunk/test/synch/rwlock4/test.c – Rev 225 → 413



static void failed(void);
 
__u32 random(__u32 max)
{
    __u32 rc;
    ipl_t ipl;
 
    spinlock_lock(&lock);  
    rc = seed % max;
    seed = (((seed<<2) ^ (seed>>2)) * 487) + rc;
    spinlock_unlock(&lock);

Rev 225	Rev 413
Line 58...	Line 58...
58	static void failed(void);	58	static void failed(void);
59		59
60	__u32 random(__u32 max)	60	__u32 random(__u32 max)
61	{	61	{
62	__u32 rc;	62	__u32 rc;
63	pri_t pri;	63	ipl_t ipl;
64		64
65	spinlock_lock(&lock);	65	spinlock_lock(&lock);
66	rc = seed % max;	66	rc = seed % max;
67	seed = (((seed<<2) ^ (seed>>2)) * 487) + rc;	67	seed = (((seed<<2) ^ (seed>>2)) * 487) + rc;
68	spinlock_unlock(&lock);	68	spinlock_unlock(&lock);