229 lines
7.1 KiB
C
229 lines
7.1 KiB
C
|
|
#ifndef _SYS__DEFAULT_FCNTL_H_
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#define _SYS__DEFAULT_FCNTL_H_
|
|
#include <_ansi.h>
|
|
#include <sys/cdefs.h>
|
|
#define _FOPEN (-1) /* from sys/file.h, kernel use only */
|
|
#define _FREAD 0x0001 /* read enabled */
|
|
#define _FWRITE 0x0002 /* write enabled */
|
|
#define _FAPPEND 0x0008 /* append (writes guaranteed at the end) */
|
|
#define _FMARK 0x0010 /* internal; mark during gc() */
|
|
#define _FDEFER 0x0020 /* internal; defer for next gc pass */
|
|
#define _FASYNC 0x0040 /* signal pgrp when data ready */
|
|
#define _FSHLOCK 0x0080 /* BSD flock() shared lock present */
|
|
#define _FEXLOCK 0x0100 /* BSD flock() exclusive lock present */
|
|
#define _FCREAT 0x0200 /* open with file create */
|
|
#define _FTRUNC 0x0400 /* open with truncation */
|
|
#define _FEXCL 0x0800 /* error on open if file exists */
|
|
#define _FNBIO 0x1000 /* non blocking I/O (sys5 style) */
|
|
#define _FSYNC 0x2000 /* do all writes synchronously */
|
|
#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 */
|
|
|
|
#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
|
|
|
|
/*
|
|
* Flag values for open(2) and fcntl(2)
|
|
* The kernel adds 1 to the open modes to turn it into some
|
|
* combination of FREAD and FWRITE.
|
|
*/
|
|
#define O_RDONLY 0 /* +1 == FREAD */
|
|
#define O_WRONLY 1 /* +1 == FWRITE */
|
|
#define O_RDWR 2 /* +1 == FREAD|FWRITE */
|
|
#define O_APPEND _FAPPEND
|
|
#define O_CREAT _FCREAT
|
|
#define O_TRUNC _FTRUNC
|
|
#define O_EXCL _FEXCL
|
|
#define O_SYNC _FSYNC
|
|
/* O_NDELAY _FNDELAY set in include/fcntl.h */
|
|
/* 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
|
|
|
|
#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
|
|
#endif
|
|
|
|
#if __MISC_VISIBLE
|
|
|
|
/*
|
|
* Flags that work for fcntl(fd, F_SETFL, FXXXX)
|
|
*/
|
|
#define FAPPEND _FAPPEND
|
|
#define FSYNC _FSYNC
|
|
#define FASYNC _FASYNC
|
|
#define FNBIO _FNBIO
|
|
#define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */
|
|
#define FNDELAY _FNDELAY
|
|
|
|
/*
|
|
* Flags that are disallowed for fcntl's (FCNTLCANT);
|
|
* used for opens, internal state, or locking.
|
|
*/
|
|
#define FREAD _FREAD
|
|
#define FWRITE _FWRITE
|
|
#define FMARK _FMARK
|
|
#define FDEFER _FDEFER
|
|
#define FSHLOCK _FSHLOCK
|
|
#define FEXLOCK _FEXLOCK
|
|
|
|
/*
|
|
* The rest of the flags, used only for opens
|
|
*/
|
|
#define FOPEN _FOPEN
|
|
#define FCREAT _FCREAT
|
|
#define FTRUNC _FTRUNC
|
|
#define FEXCL _FEXCL
|
|
#define FNOCTTY _FNOCTTY
|
|
|
|
#endif /* __MISC_VISIBLE */
|
|
|
|
#if __BSD_VISIBLE
|
|
#define FNONBLOCK _FNONBLOCK
|
|
#endif /* __BSD_VISIBLE */
|
|
|
|
/* XXX close on exec request; must match UF_EXCLOSE in user.h */
|
|
#define FD_CLOEXEC 1 /* posix */
|
|
|
|
/* fcntl(2) requests */
|
|
#define F_DUPFD 0 /* Duplicate fildes */
|
|
#define F_GETFD 1 /* Get fildes flags (close on exec) */
|
|
#define F_SETFD 2 /* Set fildes flags (close on exec) */
|
|
#define F_GETFL 3 /* Get file flags */
|
|
#define F_SETFL 4 /* Set file flags */
|
|
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112
|
|
#define F_GETOWN 5 /* Get owner - for ASYNC */
|
|
#define F_SETOWN 6 /* Set owner - for ASYNC */
|
|
#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) */
|
|
#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 /* __MISC_VISIBLE */
|
|
#if __POSIX_VISIBLE >= 200809
|
|
#define F_DUPFD_CLOEXEC 14 /* As F_DUPFD, but set close-on-exec flag */
|
|
#endif
|
|
|
|
/* fcntl(2) flags (l_type field of flock structure) */
|
|
#define F_RDLCK 1 /* read lock */
|
|
#define F_WRLCK 2 /* write lock */
|
|
#define F_UNLCK 3 /* remove lock(s) */
|
|
#if __MISC_VISIBLE
|
|
#define F_UNLKSYS 4 /* remove remote locks for a given system */
|
|
#endif /* __MISC_VISIBLE */
|
|
|
|
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
|
|
/* Special descriptor value to denote the cwd in calls to openat(2) etc. */
|
|
#define AT_FDCWD -2
|
|
|
|
/* Flag values for faccessat2) et al. */
|
|
#define AT_EACCESS 1
|
|
#define AT_SYMLINK_NOFOLLOW 2
|
|
#define AT_SYMLINK_FOLLOW 4
|
|
#define AT_REMOVEDIR 8
|
|
#endif
|
|
|
|
#if __BSD_VISIBLE
|
|
/* lock operations for flock(2) */
|
|
#define LOCK_SH 0x01 /* shared file lock */
|
|
#define LOCK_EX 0x02 /* exclusive file lock */
|
|
#define LOCK_NB 0x04 /* don't block when locking */
|
|
#define LOCK_UN 0x08 /* unlock file */
|
|
#endif
|
|
|
|
/*#include <sys/stdtypes.h>*/
|
|
|
|
#ifndef __CYGWIN__
|
|
/* file segment locking set data type - information passed to system by user */
|
|
struct flock {
|
|
short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
|
|
short l_whence; /* flag to choose starting offset */
|
|
long l_start; /* relative offset, in bytes */
|
|
long l_len; /* length, in bytes; 0 means lock to EOF */
|
|
short l_pid; /* returned with F_GETLK */
|
|
short l_xxx; /* reserved for future use */
|
|
};
|
|
#endif /* __CYGWIN__ */
|
|
|
|
#if __MISC_VISIBLE
|
|
/* extended file segment locking set data type */
|
|
struct eflock {
|
|
short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
|
|
short l_whence; /* flag to choose starting offset */
|
|
long l_start; /* relative offset, in bytes */
|
|
long l_len; /* length, in bytes; 0 means lock to EOF */
|
|
short l_pid; /* returned with F_GETLK */
|
|
short l_xxx; /* reserved for future use */
|
|
long l_rpid; /* Remote process id wanting this lock */
|
|
long l_rsys; /* Remote system id wanting this lock */
|
|
};
|
|
#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 __ATFILE_VISIBLE
|
|
extern int openat _PARAMS ((int, const char *, int, ...));
|
|
#endif
|
|
extern int creat _PARAMS ((const char *, mode_t));
|
|
extern int fcntl _PARAMS ((int, int, ...));
|
|
#if __BSD_VISIBLE
|
|
extern int flock _PARAMS ((int, int));
|
|
#endif
|
|
#if __GNU_VISIBLE
|
|
#include <sys/time.h>
|
|
extern int futimesat _PARAMS ((int, const char *, const struct timeval *));
|
|
#endif
|
|
|
|
/* Provide _<systemcall> prototypes for functions provided by some versions
|
|
of newlib. */
|
|
#ifdef _COMPILING_NEWLIB
|
|
extern int _open _PARAMS ((const char *, int, ...));
|
|
extern int _fcntl _PARAMS ((int, int, ...));
|
|
#ifdef __LARGE64_FILES
|
|
extern int _open64 _PARAMS ((const char *, int, ...));
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* !_SYS__DEFAULT_FCNTL_H_ */
|