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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [include/] [sys/] [_default_fcntl.h] - Rev 859
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#ifndef _SYS__DEFAULT_FCNTL_H_ #ifdef __cplusplus extern "C" { #endif #define _SYS__DEFAULT_FCNTL_H_ #include <_ansi.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 (_WIN32) || defined (__CYGWIN__) #define _FBINARY 0x10000 #define _FTEXT 0x20000 #define _FNOINHERIT 0x40000 #define O_BINARY _FBINARY #define O_TEXT _FTEXT #define O_NOINHERIT _FNOINHERIT /* The windows header files define versions with a leading underscore. */ #define _O_RDONLY O_RDONLY #define _O_WRONLY O_WRONLY #define _O_RDWR O_RDWR #define _O_APPEND O_APPEND #define _O_CREAT O_CREAT #define _O_TRUNC O_TRUNC #define _O_EXCL O_EXCL #define _O_TEXT O_TEXT #define _O_BINARY O_BINARY #define _O_RAW O_BINARY #define _O_NOINHERIT O_NOINHERIT #endif #ifndef _POSIX_SOURCE /* * 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 /* !_POSIX_SOURCE */ /* 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 */ #ifndef _POSIX_SOURCE #define F_GETOWN 5 /* Get owner - for ASYNC */ #define F_SETOWN 6 /* Set owner - for ASYNC */ #endif /* !_POSIX_SOURCE */ #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 #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 */ /* 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) */ #ifndef _POSIX_SOURCE #define F_UNLKSYS 4 /* remove remote locks for a given system */ #endif /* !_POSIX_SOURCE */ #ifdef __CYGWIN__ /* 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 /*#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__ */ #ifndef _POSIX_SOURCE /* 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 /* !_POSIX_SOURCE */ #include <sys/types.h> #include <sys/stat.h> /* sigh. for the mode bits for open/creat */ extern int open _PARAMS ((const char *, int, ...)); extern int creat _PARAMS ((const char *, mode_t)); extern int fcntl _PARAMS ((int, int, ...)); #ifdef __CYGWIN__ #include <sys/time.h> extern int futimesat _PARAMS ((int, const char *, const struct timeval *)); extern int openat _PARAMS ((int, const char *, int, ...)); #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_ */
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