143 uint32_t SystemProperties::ReadMutablePropertyValue(const prop_info* pi, char* value) {  in ReadMutablePropertyValue()  argument
145   uint32_t new_serial = load_const_atomic(&pi->serial, memory_order_acquire);  in ReadMutablePropertyValue()
153       prop_area* pa = contexts_->GetPropAreaForName(pi->name);  in ReadMutablePropertyValue()
156       memcpy(value, pi->value, len + 1);  in ReadMutablePropertyValue()
159     new_serial = load_const_atomic(&pi->serial, memory_order_relaxed);  in ReadMutablePropertyValue()
174 int SystemProperties::Read(const prop_info* pi, char* name, char* value) {  in Read()  argument
175   uint32_t serial = ReadMutablePropertyValue(pi, value);  in Read()
177     size_t namelen = strlcpy(name, pi->name, PROP_NAME_MAX);  in Read()
183                             pi->name, PROP_NAME_MAX - 1, name);  in Read()
186   if (is_read_only(pi->name) && pi->is_long()) {  in Read()
192         pi->name, strlen(pi->long_value()));  in Read()
197 void SystemProperties::ReadCallback(const prop_info* pi,  in ReadCallback()  argument
203   if (is_read_only(pi->name)) {  in ReadCallback()
204     uint32_t serial = load_const_atomic(&pi->serial, memory_order_relaxed);  in ReadCallback()
205     if (pi->is_long()) {  in ReadCallback()
206       callback(cookie, pi->name, pi->long_value(), serial);  in ReadCallback()
208       callback(cookie, pi->name, pi->value, serial);  in ReadCallback()
214   uint32_t serial = ReadMutablePropertyValue(pi, value_buf);  in ReadCallback()
215   callback(cookie, pi->name, value_buf, serial);  in ReadCallback()
219   const prop_info* pi = Find(name);  in Get()  local
221   if (pi != nullptr) {  in Get()
222     return Read(pi, nullptr, value);  in Get()
229 int SystemProperties::Update(prop_info* pi, const char* value, unsigned int len) {  in Update()  argument
242   prop_area* pa = contexts_->GetPropAreaForName(pi->name);  in Update()
244     async_safe_format_log(ANDROID_LOG_ERROR, "libc", "Could not find area for \"%s\"", pi->name);  in Update()
248   uint32_t serial = atomic_load_explicit(&pi->serial, memory_order_relaxed);  in Update()
255   memcpy(pa->dirty_backup_area(), pi->value, old_len + 1);  in Update()
258   atomic_store_explicit(&pi->serial, serial, memory_order_relaxed);  in Update()
259   strlcpy(pi->value, value, len + 1);  in Update()
263   atomic_store_explicit(&pi->serial, (len << 24) | ((serial + 1) & 0xffffff), memory_order_relaxed);  in Update()
264   __futex_wake(&pi->serial, INT32_MAX);  // Fence by side effect  in Update()
318 bool SystemProperties::Wait(const prop_info* pi, uint32_t old_serial, uint32_t* new_serial_ptr,  in Wait()  argument
322   if (pi == nullptr) {  in Wait()
334     serial_ptr = const_cast<atomic_uint_least32_t*>(&pi->serial);  in Wait()
358     static void fn(const prop_info* pi, void* ptr) {  in FindNth()
360       if (self->current++ == self->sought) self->result = pi;  in FindNth()
367 int SystemProperties::Foreach(void (*propfn)(const prop_info* pi, void* cookie), void* cookie) {  in Foreach()  argument