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Make some standard open() flags visible 

Make the POSIX O_CLOEXEC, O_NOFOLLOW, O_DIRECTORY, O_EXEC, and O_SEARCH
open() flags available also to non-Cygwin systems.

Make the BSD/glibc O_DIRECT open() flag  available also to non-Cygwin
systems.

Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
This commit is contained in:
Sebastian Huber 2018-10-08 14:27:38 +02:00
parent 256f1171ac
commit d3d838cc26
1 changed files with 27 additions and 21 deletions
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48
newlib/libc/include/sys/_default_fcntl.h
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@ -23,6 +23,19 @@ extern "C" {
#define _FNONBLOCK 0x4000 /* non blocking I/O (POSIX style) */
#define _FNDELAY _FNONBLOCK /* non blocking I/O (4.2 style) */
#define _FNOCTTY 0x8000 /* don't assign a ctty on this open */
#if defined (__CYGWIN__)
#define _FBINARY 0x10000
#define _FTEXT 0x20000
#endif
#define _FNOINHERIT 0x40000
#define _FDIRECT 0x80000
#define _FNOFOLLOW 0x100000
#define _FDIRECTORY 0x200000
#define _FEXECSRCH 0x400000
#if defined (__CYGWIN__)
#define _FTMPFILE 0x800000
#define _FNOATIME 0x1000000
#endif
#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
@ -43,35 +56,28 @@ extern "C" {
/* O_NDELAY _FNBIO set in include/fcntl.h */
#define O_NONBLOCK _FNONBLOCK
#define O_NOCTTY _FNOCTTY
/* For machines which care - */
#if defined (__CYGWIN__)
#define _FBINARY 0x10000
#define _FTEXT 0x20000
#define _FNOINHERIT 0x40000
#define _FDIRECT 0x80000
#define _FNOFOLLOW 0x100000
#define _FDIRECTORY 0x200000
#define _FEXECSRCH 0x400000
#define _FTMPFILE 0x800000
#define _FNOATIME 0x1000000
/* POSIX-1.2008 specific flags */
#if __POSIX_VISIBLE >= 200809
#define O_CLOEXEC _FNOINHERIT
#define O_NOFOLLOW _FNOFOLLOW
#define O_DIRECTORY _FDIRECTORY
#define O_EXEC _FEXECSRCH
#define O_SEARCH _FEXECSRCH
#endif
#if __BSD_VISIBLE
#define O_DIRECT _FDIRECT
#endif
#if defined (__CYGWIN__)
#define O_BINARY _FBINARY
#define O_TEXT _FTEXT
#define O_DSYNC _FSYNC
#define O_RSYNC _FSYNC
#define O_EXEC _FEXECSRCH
#define O_SEARCH _FEXECSRCH
/* POSIX-1.2008 specific flags */
#if __POSIX_VISIBLE >= 200809
#define O_CLOEXEC _FNOINHERIT
#define O_NOFOLLOW _FNOFOLLOW
#define O_DIRECTORY _FDIRECTORY
#endif
/* Linux-specific flags */
#if __GNU_VISIBLE
#define O_DIRECT _FDIRECT
#define O_TMPFILE _FTMPFILE
#define O_NOATIME _FNOATIME
#endif