Commit | Line | Data |
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6ec2e0f5 | 1 | /* close replacement. |
9c9d63b1 | 2 | Copyright (C) 2008-2021 Free Software Foundation, Inc. |
6ec2e0f5 SDJ |
3 | |
4 | This program is free software: you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 3 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program 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 | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
c0c3707f | 15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
6ec2e0f5 SDJ |
16 | |
17 | #include <config.h> | |
18 | ||
19 | /* Specification. */ | |
20 | #include <unistd.h> | |
21 | ||
22 | #include <errno.h> | |
23 | ||
24 | #include "fd-hook.h" | |
c0c3707f CB |
25 | #if HAVE_MSVC_INVALID_PARAMETER_HANDLER |
26 | # include "msvc-inval.h" | |
27 | #endif | |
6ec2e0f5 SDJ |
28 | |
29 | #undef close | |
30 | ||
9c9d63b1 PM |
31 | #if defined _WIN32 && !defined __CYGWIN__ |
32 | # if HAVE_MSVC_INVALID_PARAMETER_HANDLER | |
6ec2e0f5 SDJ |
33 | static int |
34 | close_nothrow (int fd) | |
35 | { | |
36 | int result; | |
37 | ||
38 | TRY_MSVC_INVAL | |
39 | { | |
9c9d63b1 | 40 | result = _close (fd); |
6ec2e0f5 SDJ |
41 | } |
42 | CATCH_MSVC_INVAL | |
43 | { | |
44 | result = -1; | |
45 | errno = EBADF; | |
46 | } | |
47 | DONE_MSVC_INVAL; | |
48 | ||
49 | return result; | |
50 | } | |
9c9d63b1 PM |
51 | # else |
52 | # define close_nothrow _close | |
53 | # endif | |
6ec2e0f5 SDJ |
54 | #else |
55 | # define close_nothrow close | |
56 | #endif | |
57 | ||
58 | /* Override close() to call into other gnulib modules. */ | |
59 | ||
60 | int | |
61 | rpl_close (int fd) | |
62 | { | |
63 | #if WINDOWS_SOCKETS | |
64 | int retval = execute_all_close_hooks (close_nothrow, fd); | |
65 | #else | |
66 | int retval = close_nothrow (fd); | |
67 | #endif | |
68 | ||
69 | #if REPLACE_FCHDIR | |
70 | if (retval >= 0) | |
71 | _gl_unregister_fd (fd); | |
72 | #endif | |
73 | ||
74 | return retval; | |
75 | } |