| /* 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_ */ |