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| -rw-r--r-- | include/kernel-features.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/kernel-features.h b/include/kernel-features.h new file mode 100644 index 0000000000..ad159aace8 --- /dev/null +++ b/include/kernel-features.h @@ -0,0 +1,31 @@ +/* Set flags signalling availability of certain operating system features. + 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. */ + +/* This file can define __ASSUME_* macros checked by certain source files. + Almost none of these are used outside of sysdeps/unix/sysv/linux code. + But those referring to POSIX-level features like O_* flags can be. */ + +#include <fcntl.h> + +/* If a system defines the O_CLOEXEC constant but it is sometimes ignored, + it must override this file to define __ASSUME_O_CLOEXEC conditionally + (or not at all) to indicate when O_CLOEXEC actually works. */ +#ifdef O_CLOEXEC +# define __ASSUME_O_CLOEXEC 1 +#endif |