1991/0821/gnot/lock.c (diff list | history)

1991/0820/sys/src/9/gnot/lock.c:12,29 – 1991/0821/sys/src/9/gnot/lock.c:12,18 (short | long | prev | next)
1990/03091		{ int i; /* * Try the fast grab first */
1991/0723		if(tas(&l->key) == 0){
1991/0820		if(u)
1991/0614		u->p->hasspin = 1;
1991/0723		l->pc = ((ulong*)&l)[PCOFF];
1990/03091		return; }
1991/0820		for(i = 0; i < 100000; i++){ if(u && u->p->state == Running) sched();
1991/0821		for(i = 0; i < 1000000; i++){
1991/0723		if (tas(&l->key) == 0){
1991/0820		if(u)
1991/0614		u->p->hasspin = 1;
1991/0820/sys/src/9/gnot/lock.c:30,35 – 1991/0821/sys/src/9/gnot/lock.c:19,26
1991/0723		l->pc = ((ulong*)&l)[PCOFF];
1990/03091		return;
1990/0601		}
1991/0821		if(u && u->p->state == Running) sched();
1991/0723		} i = l->key; l->key = 0;