fcntlcom.h
资源名称:ixp425BSP.rar [点击查看]
上传用户:luoyougen
上传日期:2008-05-12
资源大小:23136k
文件大小:5k
源码类别:
VxWorks
开发平台:
C/C++
- /* fcntlcom.h - basic control types header */
- /* Copyright 1984-1999 Wind River Systems, Inc. */
- /*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
- */
- /*
- modification history
- --------------------
- 01d,13dec99,jkf added _ASMLANGUAGE
- 01c,25jan93,smb added documentation for POSIX
- 01b,22sep92,rrr added support for c++
- 01a,29jul92,smb taken from UCB stdio.
- */
- #ifndef __INCfcntlcomh
- #define __INCfcntlcomh
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include "types/vxANSI.h"
- /*
- * Rewack the FXXXXX values as _FXXXX so that _POSIX_SOURCE works.
- */
- #define _FOPEN (-1) /* from sys/file.h, kernel use only */
- #define _FREAD 0x0001 /* read enabled */
- #define _FWRITE 0x0002 /* write enabled */
- #define _FNDELAY 0x0004 /* non blocking I/O (4.2 style) */
- #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 _FNOCTTY 0x8000 /* don't assign a ctty on this open */
- #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
- #define DEFFILEMODE 0666
- /*
- * 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_CREAT _FCREAT
- /*
- * added for future POSIX extensions
- */
- #define O_APPEND _FAPPEND
- #define O_TRUNC _FTRUNC
- #define O_EXCL _FEXCL
- #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
- #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 */
- #ifndef _ASMLANGUAGE
- /* 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 */
- #endif /* #ifndef _ASMLANGUAGE */
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCfcntlcomh */