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Last change
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| 1 | /* close replacement.
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| 2 | Copyright (C) 2008-2012 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software: you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 3 of the License, or
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| 7 | (at your option) any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program. If not, see <http://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | #include <config.h>
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| 18 |
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| 19 | /* Specification. */
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| 20 | #include <unistd.h>
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| 21 |
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| 22 | #include <errno.h>
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| 23 |
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| 24 | #include "fd-hook.h"
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| 25 | #include "msvc-inval.h"
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| 26 |
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| 27 | #undef close
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| 28 |
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| 29 | #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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| 30 | static int
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| 31 | close_nothrow (int fd)
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| 32 | {
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| 33 | int result;
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| 34 |
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| 35 | TRY_MSVC_INVAL
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| 36 | {
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| 37 | result = close (fd);
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| 38 | }
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| 39 | CATCH_MSVC_INVAL
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| 40 | {
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| 41 | result = -1;
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| 42 | errno = EBADF;
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| 43 | }
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| 44 | DONE_MSVC_INVAL;
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| 45 |
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| 46 | return result;
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| 47 | }
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| 48 | #else
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| 49 | # define close_nothrow close
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| 50 | #endif
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| 51 |
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| 52 | /* Override close() to call into other gnulib modules. */
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| 53 |
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| 54 | int
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| 55 | rpl_close (int fd)
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| 56 | {
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| 57 | #if WINDOWS_SOCKETS
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| 58 | int retval = execute_all_close_hooks (close_nothrow, fd);
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| 59 | #else
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| 60 | int retval = close_nothrow (fd);
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| 61 | #endif
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| 62 |
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| 63 | #if REPLACE_FCHDIR
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| 64 | if (retval >= 0)
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| 65 | _gl_unregister_fd (fd);
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| 66 | #endif
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| 67 |
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| 68 | return retval;
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| 69 | }
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