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 | } | ||
