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| author | Ulrich Drepper <drepper@redhat.com> | 2007-08-03 04:09:03 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-08-03 04:09:03 +0000 |
| commit | cbf0489bcf3eebeeba595a514461057a4e2f1e8b (patch) | |
| tree | 5494b98023b95a29643094578424382515a41724 /io | |
| parent | fa39685d5c7df2502213418bead44e9543a9b9ec (diff) | |
| download | glibc-cbf0489bcf3eebeeba595a514461057a4e2f1e8b.tar.gz glibc-cbf0489bcf3eebeeba595a514461057a4e2f1e8b.tar.xz glibc-cbf0489bcf3eebeeba595a514461057a4e2f1e8b.zip | |
* io/Makefile (aux): Add have_o_cloexec.
* include/fcntl.h: Declare __have_o_cloexec. * io/have_o_cloexec.c: New file. * sysdeps/unix/opendir.c (__opendir): Use O_CLOEXEC is available. (__alloc_dir): If O_CLOEXEC has been used, don't duplicate the fcntl call if not necessary. * login/utmp_file.c (setutent_file): Use __have_o_cloexec instead of local variable.
Diffstat (limited to 'io')
| -rw-r--r-- | io/Makefile | 2 | ||||
| -rw-r--r-- | io/have_o_cloexec.c | 24 |
2 files changed, 26 insertions, 0 deletions
diff --git a/io/Makefile b/io/Makefile index da589b118a..1acda4c8b6 100644 --- a/io/Makefile +++ b/io/Makefile @@ -54,6 +54,8 @@ routines := \ sendfile sendfile64 \ utimensat futimens +aux := have_o_cloexec + # These routines will be omitted from the libc shared object. # Instead the static object files will be included in a special archive # linked against when the shared library will be used. diff --git a/io/have_o_cloexec.c b/io/have_o_cloexec.c new file mode 100644 index 0000000000..a83e8a4487 --- /dev/null +++ b/io/have_o_cloexec.c @@ -0,0 +1,24 @@ +/* Copyright (C) 2007 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <fcntl.h> +#include <kernel-features.h> + +#if defined O_CLOEXEC && !defined __ASSUME_O_CLOEXEC +int __have_o_cloexec; +#endif |