94         char filename[21];  in store_sid()  local
95         snprintf(filename, sizeof(filename), "%u", userId);  in store_sid()
96         int fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR);  in store_sid()
98             ALOGE("could not open file: %s: %s", filename, strerror(errno));  in store_sid()
123         const char* filename = ".coldboot";  in mark_cold_boot()  local
124         if (access(filename, F_OK) == -1) {  in mark_cold_boot()
125             int fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR);  in mark_cold_boot()
127                 ALOGE("could not open file: %s : %s", filename, strerror(errno));  in mark_cold_boot()
137         char filename[21];  in maybe_store_sid()  local
138         snprintf(filename, sizeof(filename), "%u", userId);  in maybe_store_sid()
139         if (access(filename, F_OK) == -1) {  in maybe_store_sid()
145         char filename[21];  in read_sid()  local
147         snprintf(filename, sizeof(filename), "%u", userId);  in read_sid()
148         int fd = open(filename, O_RDONLY);  in read_sid()
156         char filename[21];  in clear_sid()  local
157         snprintf(filename, sizeof(filename), "%u", userId);  in clear_sid()
158         if (remove(filename) < 0 && errno != ENOENT) {  in clear_sid()