| 1 | /* _hurd_fd_write -- write to a file descriptor; handles job control et al. |
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| 2 | Copyright (C) 1993-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <errno.h> |
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| 20 | #include <unistd.h> |
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| 21 | #include <hurd.h> |
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| 22 | #include <hurd/fd.h> |
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| 23 | |
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| 24 | error_t |
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| 25 | _hurd_fd_write (struct hurd_fd *fd, |
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| 26 | const void *buf, size_t *nbytes, loff_t offset) |
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| 27 | { |
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| 28 | error_t err; |
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| 29 | mach_msg_type_number_t wrote; |
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| 30 | |
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| 31 | error_t writefd (io_t port) |
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| 32 | { |
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| 33 | return __io_write (port, buf, *nbytes, offset, &wrote); |
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| 34 | } |
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| 35 | |
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| 36 | err = HURD_FD_PORT_USE_CANCEL (fd, _hurd_ctty_output (port, ctty, writefd)); |
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| 37 | |
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| 38 | if (! err) |
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| 39 | *nbytes = wrote; |
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| 40 | |
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| 41 | return err; |
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| 42 | } |
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| 43 | |
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