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04277e02 | 1 | /* Copyright (C) 1991-2019 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
478b92f0 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
28f540f4 | 17 | |
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18 | #include <errno.h> |
19 | #include <unistd.h> | |
20 | #include <sys/types.h> | |
21 | ||
22 | /* Return the foreground process group ID of FD. */ | |
23 | pid_t | |
9d46370c | 24 | tcgetpgrp (int fd) |
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25 | { |
26 | if (fd < 0) | |
27 | { | |
c4029823 | 28 | __set_errno (EBADF); |
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29 | return (pid_t) -1; |
30 | } | |
31 | ||
c4029823 | 32 | __set_errno (ENOSYS); |
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33 | return (pid_t) -1; |
34 | } | |
df962917 | 35 | libc_hidden_def (tcgetpgrp) |
3f33a4ce | 36 | stub_warning (tcgetpgrp) |