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Feature test macros overhaul: fcntl.h 

Most of the !_POSIX_SOURCE code is BSD, although ironically some were
added to POSIX.1-2001.

Use the ATFILE conditional for most of the *at functions, except
futimesat which is GNU.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
This commit is contained in:
Yaakov Selkowitz 2016-03-14 17:26:08 -05:00
parent d2937299fa
commit d2df6d381b
1 changed files with 14 additions and 14 deletions
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28
newlib/libc/include/sys/_default_fcntl.h
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@ -65,7 +65,7 @@ extern "C" {
#define O_SEARCH _FEXECSRCH
#endif
#ifndef _POSIX_SOURCE
#if __MISC_VISIBLE
/*
* Flags that work for fcntl(fd, F_SETFL, FXXXX)
@ -97,7 +97,7 @@ extern "C" {
#define FEXCL _FEXCL
#define FNOCTTY _FNOCTTY
#endif /* !_POSIX_SOURCE */
#endif /* __MISC_VISIBLE */
/* XXX close on exec request; must match UF_EXCLOSE in user.h */
#define FD_CLOEXEC 1 /* posix */
@ -108,20 +108,20 @@ extern "C" {
#define F_SETFD 2 /* Set fildes flags (close on exec) */
#define F_GETFL 3 /* Get file flags */
#define F_SETFL 4 /* Set file flags */
#ifndef _POSIX_SOURCE
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112
#define F_GETOWN 5 /* Get owner - for ASYNC */
#define F_SETOWN 6 /* Set owner - for ASYNC */
#endif /* !_POSIX_SOURCE */
#endif /* __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 */
#define F_GETLK 7 /* Get record-locking information */
#define F_SETLK 8 /* Set or Clear a record-lock (Non-Blocking) */
#define F_SETLKW 9 /* Set or Clear a record-lock (Blocking) */
#ifndef _POSIX_SOURCE
#if __MISC_VISIBLE
#define F_RGETLK 10 /* Test a remote lock to see if it is blocked */
#define F_RSETLK 11 /* Set or unlock a remote lock */
#define F_CNVT 12 /* Convert a fhandle to an open fd */
#define F_RSETLKW 13 /* Set or Clear remote record-lock(Blocking) */
#endif /* !_POSIX_SOURCE */
#ifdef __CYGWIN__
#endif /* __MISC_VISIBLE */
#if __POSIX_VISIBLE >= 200809
#define F_DUPFD_CLOEXEC 14 /* As F_DUPFD, but set close-on-exec flag */
#endif
@ -129,11 +129,11 @@ extern "C" {
#define F_RDLCK 1 /* read lock */
#define F_WRLCK 2 /* write lock */
#define F_UNLCK 3 /* remove lock(s) */
#ifndef _POSIX_SOURCE
#if __MISC_VISIBLE
#define F_UNLKSYS 4 /* remove remote locks for a given system */
#endif /* !_POSIX_SOURCE */
#endif /* __MISC_VISIBLE */
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809 || defined(__CYGWIN__)
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
/* Special descriptor value to denote the cwd in calls to openat(2) etc. */
#define AT_FDCWD -2
@ -166,7 +166,7 @@ struct flock {
};
#endif /* __CYGWIN__ */
#ifndef _POSIX_SOURCE
#if __MISC_VISIBLE
/* extended file segment locking set data type */
struct eflock {
short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
@ -178,13 +178,13 @@ struct eflock {
long l_rpid; /* Remote process id wanting this lock */
long l_rsys; /* Remote system id wanting this lock */
};
#endif /* !_POSIX_SOURCE */
#endif /* __MISC_VISIBLE */
#include <sys/types.h>
#include <sys/stat.h> /* sigh. for the mode bits for open/creat */
extern int open _PARAMS ((const char *, int, ...));
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809 || defined(__CYGWIN__)
#if __ATFILE_VISIBLE
extern int openat _PARAMS ((int, const char *, int, ...));
#endif
extern int creat _PARAMS ((const char *, mode_t));
@ -192,7 +192,7 @@ extern int fcntl _PARAMS ((int, int, ...));
#if __BSD_VISIBLE
extern int flock _PARAMS ((int, int));
#endif
#ifdef __CYGWIN__
#if __GNU_VISIBLE
#include <sys/time.h>
extern int futimesat _PARAMS ((int, const char *, const struct timeval *));
#endif