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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [isoinfra/] [v2_0/] [include/] [fcntl.h] - Rev 595
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#ifndef CYGONCE_ISO_FCNTL_H #define CYGONCE_ISO_FCNTL_H /*======================================================================== // // fcntl.h // // POSIX file control functions // //======================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later version. // // eCos is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //======================================================================== //#####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 */
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