diff options
Diffstat (limited to 'lib/cloexec.c')
-rw-r--r-- | lib/cloexec.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/lib/cloexec.c b/lib/cloexec.c deleted file mode 100644 index cf2308ca..00000000 --- a/lib/cloexec.c +++ /dev/null | |||
@@ -1,60 +0,0 @@ | |||
1 | /* closexec.c - set or clear the close-on-exec descriptor flag | ||
2 | Copyright (C) 1991, 2004, 2005 Free Software Foundation, Inc. | ||
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 2, or (at your option) | ||
7 | 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 | ||
15 | along with this program; if not, write to the Free Software Foundation, | ||
16 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
17 | |||
18 | The code is taken from glibc/manual/llio.texi */ | ||
19 | |||
20 | #ifdef HAVE_CONFIG_H | ||
21 | # include <config.h> | ||
22 | #endif | ||
23 | |||
24 | #include "cloexec.h" | ||
25 | |||
26 | #include <unistd.h> | ||
27 | #include <fcntl.h> | ||
28 | |||
29 | #ifndef FD_CLOEXEC | ||
30 | # define FD_CLOEXEC 1 | ||
31 | #endif | ||
32 | |||
33 | /* Set the `FD_CLOEXEC' flag of DESC if VALUE is true, | ||
34 | or clear the flag if VALUE is false. | ||
35 | Return 0 on success, or -1 on error with `errno' set. */ | ||
36 | |||
37 | int | ||
38 | set_cloexec_flag (int desc, bool value) | ||
39 | { | ||
40 | #if defined F_GETFD && defined F_SETFD | ||
41 | |||
42 | int flags = fcntl (desc, F_GETFD, 0); | ||
43 | |||
44 | if (0 <= flags) | ||
45 | { | ||
46 | int newflags = (value ? flags | FD_CLOEXEC : flags & ~FD_CLOEXEC); | ||
47 | |||
48 | if (flags == newflags | ||
49 | || fcntl (desc, F_SETFD, newflags) != -1) | ||
50 | return 0; | ||
51 | } | ||
52 | |||
53 | return -1; | ||
54 | |||
55 | #else | ||
56 | |||
57 | return 0; | ||
58 | |||
59 | #endif | ||
60 | } | ||