44 int os_stat_fd(const int fd, struct uml_stat *ubuf)  in os_stat_fd()  argument
49 	CATCH_EINTR(err = fstat64(fd, &sbuf));  in os_stat_fd()
89 int os_ioctl_generic(int fd, unsigned int cmd, unsigned long arg)  in os_ioctl_generic()  argument
93 	err = ioctl(fd, cmd, arg);  in os_ioctl_generic()
101 int os_get_ifname(int fd, char* namebuf)  in os_get_ifname()  argument
103 	if (ioctl(fd, SIOCGIFNAME, namebuf) < 0)  in os_get_ifname()
109 int os_mode_fd(int fd, int mode)  in os_mode_fd()  argument
113 	CATCH_EINTR(err = fchmod(fd, mode));  in os_mode_fd()
167 	int fd, err, f = 0;  in os_open_file()  local
188 	fd = open64(file, f, mode);  in os_open_file()
189 	if (fd < 0)  in os_open_file()
192 	if (flags.cl && fcntl(fd, F_SETFD, 1)) {  in os_open_file()
194 		close(fd);  in os_open_file()
198 	return fd;  in os_open_file()
204 	int fd, err;  in os_connect_socket()  local
209 	fd = socket(AF_UNIX, SOCK_STREAM, 0);  in os_connect_socket()
210 	if (fd < 0) {  in os_connect_socket()
215 	err = connect(fd, (struct sockaddr *) &sock, sizeof(sock));  in os_connect_socket()
221 	return fd;  in os_connect_socket()
224 	close(fd);  in os_connect_socket()
229 int os_dup_file(int fd)  in os_dup_file()  argument
231 	int new_fd = dup(fd);  in os_dup_file()
239 void os_close_file(int fd)  in os_close_file()  argument
241 	close(fd);  in os_close_file()
244 int os_seek_file(int fd, unsigned long long offset)  in os_seek_file()  argument
248 	actual = lseek64(fd, offset, SEEK_SET);  in os_seek_file()
254 int os_read_file(int fd, void *buf, int len)  in os_read_file()  argument
256 	int n = read(fd, buf, len);  in os_read_file()
263 int os_pread_file(int fd, void *buf, int len, unsigned long long offset)  in os_pread_file()  argument
265 	int n = pread(fd, buf, len, offset);  in os_pread_file()
272 int os_write_file(int fd, const void *buf, int len)  in os_write_file()  argument
274 	int n = write(fd, (void *) buf, len);  in os_write_file()
281 int os_sync_file(int fd)  in os_sync_file()  argument
283 	int n = fdatasync(fd);  in os_sync_file()
290 int os_pwrite_file(int fd, const void *buf, int len, unsigned long long offset)  in os_pwrite_file()  argument
292 	int n = pwrite(fd, (void *) buf, len, offset);  in os_pwrite_file()
313 		int fd;  in os_file_size()  local
316 		fd = open(file, O_RDONLY, 0);  in os_file_size()
317 		if (fd < 0) {  in os_file_size()
323 		if (ioctl(fd, BLKGETSIZE, &blocks) < 0) {  in os_file_size()
327 			close(fd);  in os_file_size()
331 		close(fd);  in os_file_size()
354 int os_set_exec_close(int fd)  in os_set_exec_close()  argument
358 	CATCH_EINTR(err = fcntl(fd, F_SETFD, FD_CLOEXEC));  in os_set_exec_close()
394 int os_set_fd_async(int fd)  in os_set_fd_async()  argument
398 	flags = fcntl(fd, F_GETFL);  in os_set_fd_async()
403 	if (fcntl(fd, F_SETFL, flags) < 0) {  in os_set_fd_async()
406 		       "and O_NONBLOCK on fd # %d, errno = %d\n", fd, errno);  in os_set_fd_async()
410 	if ((fcntl(fd, F_SETSIG, SIGIO) < 0) ||  in os_set_fd_async()
411 	    (fcntl(fd, F_SETOWN, os_getpid()) < 0)) {  in os_set_fd_async()
414 		       "(or F_SETSIG) fd %d, errno = %d\n", fd, errno);  in os_set_fd_async()
421 int os_clear_fd_async(int fd)  in os_clear_fd_async()  argument
425 	flags = fcntl(fd, F_GETFL);  in os_clear_fd_async()
430 	if (fcntl(fd, F_SETFL, flags) < 0)  in os_clear_fd_async()
435 int os_set_fd_block(int fd, int blocking)  in os_set_fd_block()  argument
439 	flags = fcntl(fd, F_GETFL);  in os_set_fd_block()
448 	if (fcntl(fd, F_SETFL, flags) < 0)  in os_set_fd_block()
454 int os_accept_connection(int fd)  in os_accept_connection()  argument
458 	new = accept(fd, NULL, 0);  in os_accept_connection()
476 int os_shutdown_socket(int fd, int r, int w)  in os_shutdown_socket()  argument
489 	err = shutdown(fd, what);  in os_shutdown_socket()
497  * @fd: the FD to receive from
507 ssize_t os_rcv_fd_msg(int fd, int *fds, unsigned int n_fds,  in os_rcv_fd_msg()  argument
528 	n = recvmsg(fd, &msg, 0);  in os_rcv_fd_msg()
574 int os_lock_file(int fd, int excl)  in os_lock_file()  argument
583 	err = fcntl(fd, F_SETLK, &lock);  in os_lock_file()
588 	err = fcntl(fd, F_GETLK, &lock);  in os_lock_file()
616 int os_falloc_punch(int fd, unsigned long long offset, int len)  in os_falloc_punch()  argument
618 	int n = fallocate(fd, FALLOC_FL_PUNCH_HOLE|FALLOC_FL_KEEP_SIZE, offset, len);  in os_falloc_punch()
625 int os_falloc_zeroes(int fd, unsigned long long offset, int len)  in os_falloc_zeroes()  argument
627 	int n = fallocate(fd, FALLOC_FL_ZERO_RANGE|FALLOC_FL_KEEP_SIZE, offset, len);  in os_falloc_zeroes()
636 	int fd = eventfd(initval, flags);  in os_eventfd()  local
638 	if (fd < 0)  in os_eventfd()
640 	return fd;  in os_eventfd()
643 int os_sendmsg_fds(int fd, const void *buf, unsigned int len, const int *fds,  in os_sendmsg_fds()  argument
671 	err = sendmsg(fd, &msg, 0);  in os_sendmsg_fds()
689 		pollfds[i].fd = fds[i];  in os_poll()
697 	/* Return the index of the available FD */  in os_poll()
706 void *os_mmap_rw_shared(int fd, size_t size)  in os_mmap_rw_shared()  argument
708 	void *res = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);  in os_mmap_rw_shared()