83 	int fd;  in create_file()  local
89 	fd = open(filename, O_RDWR | O_CREAT, mode);  in create_file()
90 	if (fd < 0)  in create_file()
91 		return fd;  in create_file()
93 	close(fd);  in create_file()
141 static inline int write_key_value(int fd, const char *key, const char *value)  in write_key_value()  argument
155 	if (write(fd, str, size) < 0)  in write_key_value()
191 	int fd, len, err = 0;  in write_key()  local
193 	fd = open(pathname, O_RDWR);  in write_key()
194 	if (fd < 0)  in write_key()
197 	if (flock(fd, LOCK_EX) < 0) {  in write_key()
202 	if (fstat(fd, &st) < 0) {  in write_key()
211 			lseek(fd, size, SEEK_SET);  in write_key()
212 			err = write_key_value(fd, key, value);  in write_key()
218 					MAP_PRIVATE | MAP_LOCKED, fd, 0);  in write_key()
229 			lseek(fd, size, SEEK_SET);  in write_key()
230 			err = write_key_value(fd, key, value);  in write_key()
253 		if (ftruncate(fd, base) < 0) {  in write_key()
257 		lseek(fd, base, SEEK_SET);  in write_key()
259 			err = write_key_value(fd, key, value);  in write_key()
278 	if (ftruncate(fd, base) < 0) {  in write_key()
283 	lseek(fd, base, SEEK_SET);  in write_key()
285 		err = write_key_value(fd, key, value);  in write_key()
287 	if (write(fd, str, len) < 0)  in write_key()
298 	flock(fd, LOCK_UN);  in write_key()
301 	fdatasync(fd);  in write_key()
303 	close(fd);  in write_key()
314 	int fd, err = 0;  in read_key()  local
316 	fd = open(pathname, O_RDONLY);  in read_key()
317 	if (fd < 0)  in read_key()
320 	if (flock(fd, LOCK_SH) < 0) {  in read_key()
325 	if (fstat(fd, &st) < 0) {  in read_key()
332 	map = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);  in read_key()
364 	flock(fd, LOCK_UN);  in read_key()
367 	close(fd);  in read_key()
408 	int fd, err = 0;  in textfile_foreach()  local
410 	fd = open(pathname, O_RDONLY);  in textfile_foreach()
411 	if (fd < 0)  in textfile_foreach()
414 	if (flock(fd, LOCK_SH) < 0) {  in textfile_foreach()
419 	if (fstat(fd, &st) < 0) {  in textfile_foreach()
426 	map = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);  in textfile_foreach()
490 	flock(fd, LOCK_UN);  in textfile_foreach()
493 	close(fd);  in textfile_foreach()