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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [machine/] [cris/] [sys/] [fcntl.h] - Rev 859
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/* This file is to be kept in sync with newlib/libc/include/sys/fcntl.h, on which it is based, except values used or returned by syscalls must be those of the Linux/CRIS kernel. */ #ifndef _FCNTL_ #ifdef __cplusplus extern "C" { #endif #define _FCNTL_ #include <_ansi.h> #define _FOPEN (-1) /* from sys/file.h, kernel use only */ #define _FREAD 0x0001 /* read enabled */ #define _FWRITE 0x0002 /* write enabled */ #define _FNDELAY 0x0800 /* non blocking I/O (4.2 style) */ #define _FAPPEND 0x0400 /* append (writes guaranteed at the end) */ #define _FMARK 0x0010 /* internal; mark during gc() */ #define _FDEFER 0x0020 /* internal; defer for next gc pass */ #define _FASYNC 0x2000 /* signal pgrp when data ready */ #define _FCREAT 0x0040 /* open with file create */ #define _FTRUNC 0x0200 /* open with truncation */ #define _FEXCL 0x0080 /* error on open if file exists */ #define _FNBIO _FNONBLOCK /* non blocking I/O (sys5 style) */ #define _FSYNC 0x1000 /* do all writes synchronously */ #define _FNONBLOCK 0x0800 /* non blocking I/O (POSIX style) */ #define _FNOCTTY 0x0100 /* 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 /* O_SYNC _FSYNC not posix, defined below */ /* O_NDELAY _FNDELAY set in include/fcntl.h */ /* O_NDELAY _FNBIO set in 5include/fcntl.h */ #define O_NONBLOCK _FNONBLOCK #define O_NOCTTY _FNOCTTY #ifndef _POSIX_SOURCE #define O_SYNC _FSYNC /* * 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 /* dup */ #define F_GETFD 1 /* get f_flags */ #define F_SETFD 2 /* set f_flags */ #define F_GETFL 3 /* more flags (cloexec) */ #define F_SETFL 4 #define F_GETLK 5 #define F_SETLK 6 #define F_SETLKW 7 #define F_SETOWN 8 /* for sockets. */ #define F_GETOWN 9 /* for sockets. */ /* for F_[GET|SET]FL */ #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ /* for posix fcntl() and lockf() */ #define F_RDLCK 0 #define F_WRLCK 1 #define F_UNLCK 2 /* for old implementation of bsd flock () */ #define F_EXLCK 4 /* or 3 */ #define F_SHLCK 8 /* or 4 */ /* operations for bsd flock(), also used by the kernel implementation */ #define LOCK_SH 1 /* shared lock */ #define LOCK_EX 2 /* exclusive lock */ #define LOCK_NB 4 /* or'd with one of the above to prevent blocking */ #define LOCK_UN 8 /* remove lock */ /* 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 */ }; #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, ...)); /* 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 /* !_FCNTL_ */
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