78         char filename[21];  in store_sid()  local
79         sprintf(filename, "%u", uid);  in store_sid()
80         int fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR);  in store_sid()
82             ALOGE("could not open file: %s: %s", filename, strerror(errno));  in store_sid()
90         const char *filename = ".coldboot";  in mark_cold_boot()  local
91         if (access(filename, F_OK) == -1) {  in mark_cold_boot()
92             int fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR);  in mark_cold_boot()
94                 ALOGE("could not open file: %s : %s", filename, strerror(errno));  in mark_cold_boot()
104         char filename[21];  in maybe_store_sid()  local
105         sprintf(filename, "%u", uid);  in maybe_store_sid()
106         if (access(filename, F_OK) == -1) {  in maybe_store_sid()
112         char filename[21];  in read_sid()  local
114         sprintf(filename, "%u", uid);  in read_sid()
115         int fd = open(filename, O_RDONLY);  in read_sid()
123         char filename[21];  in clear_sid()  local
124         sprintf(filename, "%u", uid);  in clear_sid()
125         if (remove(filename) < 0) {  in clear_sid()