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Lines Matching refs:tb

44 task_barrier_init(struct task_barrier *tb)
47 	mutex_init(&tb->tb_lock, MUTEX_DEFAULT, IPL_VM);
48 	cv_init(&tb->tb_cv, "taskbar");
49 	tb->tb_cur = 0;
50 	tb->tb_gen = 0;
51 	tb->tb_max = 0;
55 task_barrier_destroy(struct task_barrier *tb)
58 	KASSERT(tb->tb_cur == 0);
59 	cv_destroy(&tb->tb_cv);
60 	mutex_destroy(&tb->tb_lock);
64 task_barrier_add_task(struct task_barrier *tb)
67 	tb->tb_max++;
71 task_barrier_rem_task(struct task_barrier *tb)
74 	tb->tb_max--;
78 task_barrier_enter(struct task_barrier *tb)
81 	mutex_enter(&tb->tb_lock);
82 	KASSERT(tb->tb_cur < tb->tb_max);
83 	if (++tb->tb_cur < tb->tb_max) {
84 		unsigned gen = tb->tb_gen;
86 			cv_wait(&tb->tb_cv, &tb->tb_lock);
87 		} while (gen == tb->tb_gen);
89 		tb->tb_gen++;
90 		cv_broadcast(&tb->tb_cv);
92 	mutex_exit(&tb->tb_lock);
96 task_barrier_exit(struct task_barrier *tb)
99 	mutex_enter(&tb->tb_lock);
100 	KASSERT(tb->tb_cur > 0);
101 	if (--tb->tb_cur > 0) {
102 		unsigned gen = tb->tb_gen;
104 			cv_wait(&tb->tb_cv, &tb->tb_lock);
105 		} while (gen == tb->tb_gen);
107 		tb->tb_gen++;
108 		cv_broadcast(&tb->tb_cv);
113 task_barrier_full(struct task_barrier *tb)
116 	task_barrier_enter(tb);
117 	task_barrier_exit(tb);