80         char filename[21];  in store_sid()  local
81         snprintf(filename, sizeof(filename), "%u", userId);  in store_sid()
82         int fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR);  in store_sid()
84             ALOGE("could not open file: %s: %s", filename, strerror(errno));  in store_sid()
107         const char* filename = ".coldboot";  in mark_cold_boot()  local
108         if (access(filename, F_OK) == -1) {  in mark_cold_boot()
109             int fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR);  in mark_cold_boot()
111                 ALOGE("could not open file: %s : %s", filename, strerror(errno));  in mark_cold_boot()
121         char filename[21];  in maybe_store_sid()  local
122         snprintf(filename, sizeof(filename), "%u", userId);  in maybe_store_sid()
123         if (access(filename, F_OK) == -1) {  in maybe_store_sid()
129         char filename[21];  in read_sid()  local
131         snprintf(filename, sizeof(filename), "%u", userId);  in read_sid()
132         int fd = open(filename, O_RDONLY);  in read_sid()
140         char filename[21];  in clear_sid()  local
141         snprintf(filename, sizeof(filename), "%u", userId);  in clear_sid()
142         if (remove(filename) < 0) {  in clear_sid()