137     struct state_sync *ssync;  in init_state_sync_obj()  local
139     ssync = (struct state_sync*)mmap(NULL, sizeof(struct state_sync),  in init_state_sync_obj()
141     if (ssync == MAP_FAILED) {  in init_state_sync_obj()
148     pthread_mutex_init(&ssync->mutex, &mattr);  in init_state_sync_obj()
153     pthread_cond_init(&ssync->condition, &cattr);  in init_state_sync_obj()
155     ssync->state = STATE_INIT;  in init_state_sync_obj()
156     return ssync;  in init_state_sync_obj()
159 void destroy_state_sync_obj(struct state_sync *ssync) {  in destroy_state_sync_obj()  argument
160     pthread_cond_destroy(&ssync->condition);  in destroy_state_sync_obj()
161     pthread_mutex_destroy(&ssync->mutex);  in destroy_state_sync_obj()
162     munmap(ssync, sizeof(struct state_sync));  in destroy_state_sync_obj()
165 void signal_state(struct state_sync *ssync, int state) {  in signal_state()  argument
166     pthread_mutex_lock(&ssync->mutex);  in signal_state()
167     ssync->state = state;  in signal_state()
168     pthread_cond_signal(&ssync->condition);  in signal_state()
169     pthread_mutex_unlock(&ssync->mutex);  in signal_state()
172 void wait_for_state(struct state_sync *ssync, int state) {  in wait_for_state()  argument
173     pthread_mutex_lock(&ssync->mutex);  in wait_for_state()
174     while (ssync->state != state) {  in wait_for_state()
175         pthread_cond_wait(&ssync->condition, &ssync->mutex);  in wait_for_state()
177     pthread_mutex_unlock(&ssync->mutex);  in wait_for_state()
215     struct state_sync *ssync;  in runMemStressTest()  local
239     ASSERT_FALSE((ssync = init_state_sync_obj()) == NULL)  in runMemStressTest()
251             wait_for_state(ssync, STATE_CHILD_READY);  in runMemStressTest()
259             signal_state(ssync, STATE_PARENT_READY);  in runMemStressTest()
282             signal_state(ssync, STATE_CHILD_READY);  in runMemStressTest()
283             wait_for_state(ssync, STATE_PARENT_READY);  in runMemStressTest()
290     destroy_state_sync_obj(ssync);  in runMemStressTest()