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-rw-r--r--gl/cloexec.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/gl/cloexec.c b/gl/cloexec.c
deleted file mode 100644
index 2d12efef..00000000
--- a/gl/cloexec.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* closexec.c - set or clear the close-on-exec descriptor flag
-
- Copyright (C) 1991, 2004-2006, 2009-2010 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
- The code is taken from glibc/manual/llio.texi */
-
-#include <config.h>
-
-#include "cloexec.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-/* Set the `FD_CLOEXEC' flag of DESC if VALUE is true,
- or clear the flag if VALUE is false.
- Return 0 on success, or -1 on error with `errno' set.
-
- Note that on MingW, this function does NOT protect DESC from being
- inherited into spawned children. Instead, either use dup_cloexec
- followed by closing the original DESC, or use interfaces such as
- open or pipe2 that accept flags like O_CLOEXEC to create DESC
- non-inheritable in the first place. */
-
-int
-set_cloexec_flag (int desc, bool value)
-{
-#ifdef F_SETFD
-
- int flags = fcntl (desc, F_GETFD, 0);
-
- if (0 <= flags)
- {
- int newflags = (value ? flags | FD_CLOEXEC : flags & ~FD_CLOEXEC);
-
- if (flags == newflags
- || fcntl (desc, F_SETFD, newflags) != -1)
- return 0;
- }
-
- return -1;
-
-#else /* !F_SETFD */
-
- /* Use dup2 to reject invalid file descriptors; the cloexec flag
- will be unaffected. */
- if (desc < 0)
- {
- errno = EBADF;
- return -1;
- }
- if (dup2 (desc, desc) < 0)
- /* errno is EBADF here. */
- return -1;
-
- /* There is nothing we can do on this kind of platform. Punt. */
- return 0;
-#endif /* !F_SETFD */
-}
-
-
-/* Duplicates a file handle FD, while marking the copy to be closed
- prior to exec or spawn. Returns -1 and sets errno if FD could not
- be duplicated. */
-
-int
-dup_cloexec (int fd)
-{
- return fcntl (fd, F_DUPFD_CLOEXEC, 0);
-}