1994/0323/port/taslock.c (diff list | history)

1994/0322/sys/src/9/port/taslock.c:22,36 – 1994/0323/sys/src/9/port/taslock.c:22,42 (short | long | prev | next)
1994/0322		void ilock(Lock *l) { l->sr = splhi(); if(tas(&l->key) == 0)
1994/0323		ulong x; x = splhi(); if(tas(&l->key) == 0){ l->sr = x;
1994/0322		return;
1994/0323		}
1994/0322		for(;;){ while(l->key) ; if(tas(&l->key) == 0)
1994/0323		if(tas(&l->key) == 0){ l->sr = x;
1994/0322		return;
1994/0323		}
1994/0322		} }