Mercurial > flash_v2
diff packages/isoinfra/current/include/fcntl.h @ 115:6ed91473a1cd ecos-sw-2000-08-21
Merge from eCos master repository on 2000-08-21-22:40:54-BST
| author | jlarmour |
|---|---|
| date | Fri, 25 Aug 2000 17:32:38 +0000 |
| parents | |
| children | e0c0827131d1 |
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new file mode 100644 --- /dev/null +++ b/packages/isoinfra/current/include/fcntl.h @@ -0,0 +1,160 @@ +#ifndef CYGONCE_ISO_FCNTL_H +#define CYGONCE_ISO_FCNTL_H +/*======================================================================== +// +// fcntl.h +// +// POSIX file control functions +// +//======================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Red Hat eCos Public License +// Version 1.1 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://www.redhat.com/ +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Configurable Operating System, +// released September 30, 1998. +// +// The Initial Developer of the Original Code is Red Hat. +// Portions created by Red Hat are +// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. +// All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//======================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): jlarmour +// Contributors: +// Date: 2000-05-05 +// Purpose: This file provides the macros, types and functions +// for file control required by POSIX 1003.1. +// Description: The real contents of this file get set from the +// configuration (set by the implementation) +// Usage: #include <fcntl.h> +// +//####DESCRIPTIONEND#### +// +//====================================================================== +*/ + +/* CONFIGURATION */ + +#include <pkgconf/isoinfra.h> /* Configuration header */ + +/* INCLUDES */ + +#ifdef CYGBLD_ISO_OFLAG_HEADER +# include CYGBLD_ISO_OFLAG_HEADER +#else + +/* File access modes used for open() and fnctl() */ +#define O_RDONLY (1<<0) /* Open for reading only */ +#define O_WRONLY (1<<1) /* Open for writing only */ +#define O_RDWR (O_RDONLY|O_WRONLY) /* Open for reading and writing */ + +/* File access mode mask */ +#define O_ACCMODE (O_RDONLY|O_RDWR|O_WRONLY) + +/* open() mode flags */ + +#define O_CREAT (1<<3) /* Create file it it does not exist */ +#define O_EXCL (1<<4) /* Exclusive use */ +#define O_NOCTTY (1<<5) /* Do not assign a controlling terminal */ +#define O_TRUNC (1<<6) /* Truncate */ + +/* File status flags used for open() and fcntl() */ +#define O_APPEND (1<<7) /* Set append mode */ +#define O_DSYNC (1<<8) /* Synchronized I/O data integrity writes */ +#define O_NONBLOCK (1<<9) /* No delay */ +#define O_RSYNC (1<<10) /* Synchronized read I/O */ +#define O_SYNC (1<<11) /* Synchronized I/O file integrity writes */ + +#endif /* ifndef CYGBLD_ISO_OFLAG_HEADER */ + + +#if CYGINT_ISO_FCNTL +# ifdef CYGBLD_ISO_FCNTL_HEADER +# include CYGBLD_ISO_FCNTL_HEADER +# else + +/* fcntl() command values */ + +#define F_DUPFD (1<<0) /* Duplicate file descriptor */ +#define F_GETFD (1<<1) /* Get file descriptor flags */ +#define F_SETFD (1<<2) /* Set file descriptor flags */ +#define F_GETFL (1<<3) /* Get file status flags */ +#define F_SETFL (1<<4) /* Set file status flags */ +#define F_GETLK (1<<5) /* Get record locking information */ +#define F_SETLK (1<<6) /* Set record locking information */ +#define F_SETLKW (1<<7) /* Set record locking info; wait if blocked */ + +/* fd flags */ +#define FD_CLOEXEC (1<<0) /* Close fd on exec */ + +/* Lock types */ + +#define F_RDLCK (1<<0) /* Shared or read lock */ +#define F_UNLCK (1<<1) /* Unlock */ +#define F_WRLCK (1<<2) /* Exclusive or write lock */ + +#include <sys/types.h> /* off_t, pid_t */ + +struct flock { + short l_type; /* F_RDLCK, F_WRLCK, F_UNLCK */ + short l_whence; /* Flag for starting offset */ + off_t l_start; /* Relative offset in bytes */ + off_t l_len; /* Size; if 0, then until EOF */ + pid_t l_pid; /* Process ID of the process holding the lock, + * returned with F_GETLK. */ +}; + +#ifdef __cplusplus +extern "C" +#else +extern +#endif + +int +fcntl( int /* fildes */, int /* cmd */, ... ); + +# endif /* ifndef CYGBLD_ISO_FCNTL_HEADER */ +#endif /* if CYGINT_ISO_FCNTL */ + + +#if CYGINT_ISO_OPEN +# ifdef CYGBLD_ISO_OPEN_HEADER +# include CYGBLD_ISO_OPEN_HEADER +# else + +#ifdef __cplusplus +extern "C" { +#endif + +#include <sys/types.h> /* mode_t */ + +extern int +open( const char * /* path */, int /* oflag */, ... ); + +extern int +creat( const char * /* path */, mode_t /* mode */ ); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +# endif /* ifndef CYGBLD_ISO_OPEN_HEADER */ +#endif /* if CYGINT_ISO_OPEN */ + +#endif /* CYGONCE_ISO_FCNTL_H multiple inclusion protection */ + +/* EOF fcntl.h */
