| 1 | /* _hurd_fd_write -- write to a file descriptor; handles job control et al. |
|---|---|
| 2 | Copyright (C) 1993-2024 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <unistd.h> |
| 21 | #include <hurd.h> |
| 22 | #include <hurd/fd.h> |
| 23 | |
| 24 | error_t |
| 25 | _hurd_fd_write (struct hurd_fd *fd, |
| 26 | const void *buf, size_t *nbytes, loff_t offset) |
| 27 | { |
| 28 | error_t err; |
| 29 | vm_size_t wrote; |
| 30 | |
| 31 | error_t writefd (io_t port) |
| 32 | { |
| 33 | return __io_write (port, buf, *nbytes, offset, &wrote); |
| 34 | } |
| 35 | |
| 36 | err = HURD_FD_PORT_USE_CANCEL (fd, _hurd_ctty_output (port, ctty, writefd)); |
| 37 | |
| 38 | if (! err) |
| 39 | *nbytes = wrote; |
| 40 | |
| 41 | return err; |
| 42 | } |
| 43 |