62 static inline void sv_lock(sv_t *sv) {  in sv_lock()  argument
63 	spin_lock(&sv->sv_lock);  in sv_lock()
66 static inline void sv_unlock(sv_t *sv) {  in sv_unlock()  argument
67 	spin_unlock(&sv->sv_lock);  in sv_unlock()
84 static inline void sv_set_mon_type(sv_t *sv, int type) {  in sv_set_mon_type()  argument
87 		sv->sv_mon_unlock_func =  in sv_set_mon_type()
91 		sv->sv_mon_unlock_func =  in sv_set_mon_type()
93 		if(sv->sv_flags & SV_INTS) {  in sv_set_mon_type()
99 		if(sv->sv_flags & SV_BHS) {  in sv_set_mon_type()
116 		sv->sv_mon_unlock_func = c->sv_mon_unlock_func;  in sv_set_mon_type()
117 		sv->sv_mon_lock        = c->sv_mon_lock;  in sv_set_mon_type()
124 		       "(flags 0x%x)\n", type, type, sv->sv_flags);  in sv_set_mon_type()
128 	sv->sv_flags |= type;  in sv_set_mon_type()
131 static inline void sv_set_ord(sv_t *sv, int ord) {  in sv_set_ord()  argument
141 	sv->sv_flags |= ord;  in sv_set_ord()
144 void sv_init(sv_t *sv, sv_mon_lock_t *lock, int flags)   in sv_init()  argument
150 	sv->sv_flags = (flags & ~(SV_ORDER_MASK | SV_MON_MASK));  in sv_init()
152 	if((sv->sv_flags & (SV_INTS | SV_BHS)) == (SV_INTS | SV_BHS)) {  in sv_init()
157 	sv_set_ord(sv, ord);  in sv_init()
158 	sv_set_mon_type(sv, type);  in sv_init()
162 	sv->sv_mon_lock = lock;  in sv_init()
164 	spin_lock_init(&sv->sv_lock);  in sv_init()
165 	init_waitqueue_head(&sv->sv_waiters);  in sv_init()
177 signed long sv_wait(sv_t *sv, int sv_wait_flags, unsigned long timeout)   in sv_wait()  argument
188 	if(sv->sv_flags & SV_INTS) {  in sv_wait()
203 	sv_lock(sv);  in sv_wait()
205 	sv->sv_mon_unlock_func(sv->sv_mon_lock);  in sv_wait()
213 	wq_write_lock_irqsave(&sv->sv_waiters.lock, flags);  in sv_wait()
219 	switch(sv->sv_flags & SV_ORDER_MASK) {  in sv_wait()
221 		__add_wait_queue_tail(&sv->sv_waiters, &wait);  in sv_wait()
224 		__add_wait_queue(&sv->sv_waiters, &wait);  in sv_wait()
228 					(void *)sv, sv->sv_flags);  in sv_wait()
231 	wq_write_unlock_irqrestore(&sv->sv_waiters.lock, flags);  in sv_wait()
238 	spin_unlock(&sv->sv_lock);  in sv_wait()
240 	if(sv->sv_flags & SV_INTS)  in sv_wait()
242 	else if(sv->sv_flags & SV_BHS)  in sv_wait()
256 	remove_wait_queue(&sv->sv_waiters, &wait);  in sv_wait()
272 void sv_signal(sv_t *sv)   in sv_signal()  argument
280 	if(sv->sv_flags & SV_INTS) {  in sv_signal()
289 	sv_lock(sv);  in sv_signal()
290 	wake_up(&sv->sv_waiters);  in sv_signal()
291 	sv_unlock(sv);  in sv_signal()
294 void sv_broadcast(sv_t *sv)   in sv_broadcast()  argument
297 	if(sv->sv_flags & SV_INTS) {  in sv_broadcast()
306 	sv_lock(sv);  in sv_broadcast()
307 	wake_up_all(&sv->sv_waiters);  in sv_broadcast()
308 	sv_unlock(sv);  in sv_broadcast()
311 void sv_destroy(sv_t *sv)   in sv_destroy()  argument
313 	if(!spin_trylock(&sv->sv_lock)) {  in sv_destroy()
314 		printk(KERN_ERR "sv_destroy: someone else has sv 0x%p locked!\n", (void *)sv);  in sv_destroy()
328 sv_t sv;  variable
342 	sv_spin_wait(&sv, arg);  in sv_test_1_w()
358 	sv_signal(&sv);  in sv_test_1_s()
372 	sv_t *sv = (sv_t *)arg;  in sv_test_2_w()  local
377 	sv_sema_wait(sv, &monitor);  in sv_test_2_w()
386 	sv_t *sv = (sv_t *)arg;  in sv_test_2_s_1()  local
391 		sv_signal(sv);  in sv_test_2_s_1()
396 	sv_signal(sv);  in sv_test_2_s_1()
397 	sv_broadcast(sv);  in sv_test_2_s_1()
398 	sv_signal(sv);  in sv_test_2_s_1()
399 	sv_broadcast(sv);  in sv_test_2_s_1()
410 	sv_t *sv = (sv_t *)arg;  in sv_test_2_s()  local
415 		sv_signal(sv);  in sv_test_2_s()
420 	sv_broadcast(sv);  in sv_test_2_s()
433 static void big_test(sv_t *sv)   in big_test()  argument
441 		kernel_thread(sv_test_2_w, sv, 0);  in big_test()
446 	kernel_thread(sv_test_2_s_1, sv, 0);  in big_test()
454 		kernel_thread(sv_test_2_w, sv, 0);  in big_test()
459 	kernel_thread(sv_test_2_s, sv, 0);  in big_test()
520 	sv_init(&sv, &s, SV_MON_SPIN);  in sv_test()
529 	sv_destroy(&sv);  in sv_test()
535 	sv_init(&sv, &monitor, SV_MON_SEMA);  in sv_test()
536 	big_test(&sv);  in sv_test()
537 	sv_destroy(&sv);  in sv_test()