136     struct state_sync *ssync;  in init_state_sync_obj()  local
138     ssync = (struct state_sync*)mmap(NULL, sizeof(struct state_sync),  in init_state_sync_obj()
140     if (ssync == MAP_FAILED) {  in init_state_sync_obj()
147     pthread_mutex_init(&ssync->mutex, &mattr);  in init_state_sync_obj()
152     pthread_cond_init(&ssync->condition, &cattr);  in init_state_sync_obj()
154     ssync->state = STATE_INIT;  in init_state_sync_obj()
155     return ssync;  in init_state_sync_obj()
158 void destroy_state_sync_obj(struct state_sync *ssync) {  in destroy_state_sync_obj()  argument
159     pthread_cond_destroy(&ssync->condition);  in destroy_state_sync_obj()
160     pthread_mutex_destroy(&ssync->mutex);  in destroy_state_sync_obj()
161     munmap(ssync, sizeof(struct state_sync));  in destroy_state_sync_obj()
164 void signal_state(struct state_sync *ssync, int state) {  in signal_state()  argument
165     pthread_mutex_lock(&ssync->mutex);  in signal_state()
166     ssync->state = state;  in signal_state()
167     pthread_cond_signal(&ssync->condition);  in signal_state()
168     pthread_mutex_unlock(&ssync->mutex);  in signal_state()
171 void wait_for_state(struct state_sync *ssync, int state) {  in wait_for_state()  argument
172     pthread_mutex_lock(&ssync->mutex);  in wait_for_state()
173     while (ssync->state != state) {  in wait_for_state()
174         pthread_cond_wait(&ssync->condition, &ssync->mutex);  in wait_for_state()
176     pthread_mutex_unlock(&ssync->mutex);  in wait_for_state()
214     struct state_sync *ssync;  in runMemStressTest()  local
238     ASSERT_FALSE((ssync = init_state_sync_obj()) == NULL)  in runMemStressTest()
250             wait_for_state(ssync, STATE_CHILD_READY);  in runMemStressTest()
258             signal_state(ssync, STATE_PARENT_READY);  in runMemStressTest()
279             signal_state(ssync, STATE_CHILD_READY);  in runMemStressTest()
280             wait_for_state(ssync, STATE_PARENT_READY);  in runMemStressTest()
287     destroy_state_sync_obj(ssync);  in runMemStressTest()