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- The low level unbuffered file/socket now has a public equivalent, which
is defined (along with the typedefs and flags) in <sys/clib2_io.h>. Functions for tinkering with it are still to come. git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15165 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
@ -1,3 +1,7 @@
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- The low level unbuffered file/socket now has a public equivalent, which
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is defined (along with the typedefs and flags) in <sys/clib2_io.h>. Functions
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for tinkering with it are still to come.
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- The math kernel code no longer uses its own private scalbn() function.
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- Added a function prototype for the _exit() function. Note that _exit() is
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162
library/include/sys/clib2_io.h
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162
library/include/sys/clib2_io.h
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@ -0,0 +1,162 @@
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/*
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* $Id: clib2_io.h,v 1.1 2006-11-15 08:51:07 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2006 by Olaf Barthel <olsen (at) sourcery.han.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************
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*
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* Documentation and source code for this library, and the most recent library
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* build are available from <http://sourceforge.net/projects/clib2>.
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*
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*****************************************************************************
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*/
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#ifndef _SYS_CLIB2_IO_H
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#define _SYS_CLIB2_IO_H
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/****************************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/****************************************************************************/
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/* The following is not part of the ISO 'C' (1994) standard. */
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/****************************************************************************/
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/* Operations that can be performed by the file action function. */
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enum file_action_t
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{
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file_action_read,
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file_action_write,
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file_action_seek,
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file_action_close,
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file_action_set_blocking,
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file_action_set_async,
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file_action_examine
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};
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/****************************************************************************/
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/* A message sent to a file action function. */
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struct file_action_message
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{
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enum file_action_t fam_Action; /* What to do */
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char * fam_Data; /* Where to read/write the data */
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int fam_Size; /* How much data to write */
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long int fam_Offset; /* The seek offset */
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int fam_Mode; /* The seek mode */
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int fam_Arg; /* Action parameters, e.g. whether or not
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this file should be set non-blocking or
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use asynchronous I/O */
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struct FileInfoBlock * fam_FileInfo; /* File information to be filled in */
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struct MsgPort * fam_FileSystem; /* File system pointer to be filled in */
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int fam_Error; /* Error code, if any... */
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};
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/****************************************************************************/
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/* A forward declaration to make the following typedef work. */
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struct _fd;
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/****************************************************************************/
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/* The file action function for unbuffered files. */
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typedef int (*_file_action_fd_t)(struct _fd * _fd,struct file_action_message * fam);
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/****************************************************************************/
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/* A low level unbuffered file or socket. */
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struct _fd
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{
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int fd_Version; /* Version number of this definition
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of the '_fd' data structure. */
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_file_action_fd_t fd_Action; /* Function to invoke to perform actions */
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void * fd_UserData; /* To be used by custom file action
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functions */
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ULONG fd_Flags; /* File properties */
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union
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{
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BPTR fdu_File; /* A dos.library file handle */
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LONG fdu_Socket; /* A socket identifier */
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} fdu_Default;
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};
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/****************************************************************************/
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/* Sneaky preprocessor tricks to make access to the file/socket IDs
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work smoothly. */
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#define fd_DefaultFile fdu_Default.fdu_File
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#define fd_Socket fdu_Default.fdu_Socket
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/****************************************************************************/
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/* Flag bits that can be set in _fd->fd_Flags; not all of these may be in
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use, or can be changed. */
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#define FDF_READ (1UL<<0) /* Data can be read from this file */
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#define FDF_WRITE (1UL<<1) /* Data can be written to this file */
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#define FDF_APPEND (1UL<<2) /* Before any data is written to it,
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the file position must be set to the
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end of the file */
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#define FDF_NO_CLOSE (1UL<<3) /* Never close this file */
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#define FDF_NON_BLOCKING (1UL<<4) /* File was switched into non-blocking
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mode (console streams only) */
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#define FDF_IS_SOCKET (1UL<<5) /* This is not a disk file but a socket */
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#define FDF_IS_LOCKED (1UL<<6) /* This file has an advisory record lock set */
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#define FDF_IN_USE (1UL<<7) /* This file is in use */
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#define FDF_CREATED (1UL<<8) /* This file was newly created and may need
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to have its protection bits updated after
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it has been closed */
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#define FDF_CACHE_POSITION (1UL<<9) /* Cache the file position. */
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#define FDF_ASYNC_IO (1UL<<10) /* File was switched into asynchronous I/O
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mode (sockets only). */
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#define FDF_IS_INTERACTIVE (1UL<<11) /* File is attached to a console window or
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something like it. */
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#define FDF_STDIO (1UL<<12) /* File is to be attached to one of the
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standard input/output/error streams. */
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#define FDF_TERMIOS (1UL<<13) /* File is under termios control.
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FDF_IS_INTERACTIVE should also be set. */
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/****************************************************************************/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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/****************************************************************************/
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#endif /* _SYS_CLIB2_IO_H */
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@ -1,5 +1,5 @@
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/*
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* $Id: stdio_headers.h,v 1.28 2006-10-10 13:39:26 obarthel Exp $
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* $Id: stdio_headers.h,v 1.29 2006-11-15 08:51:07 obarthel Exp $
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*
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* :ts=4
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*
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@ -144,6 +144,12 @@
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/****************************************************************************/
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#ifndef _SYS_CLIB2_IO_H
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#include <sys/clib2_io.h>
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#endif /* _SYS_CLIB2_IO_H */
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/****************************************************************************/
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/* Forward declarations for below... */
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struct fd;
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struct iob;
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@ -173,42 +179,6 @@ struct iob;
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/****************************************************************************/
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/* Operations that can be performed by the file action function. */
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enum file_action_t
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{
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file_action_read,
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file_action_write,
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file_action_seek,
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file_action_close,
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file_action_set_blocking,
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file_action_set_async,
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file_action_examine
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};
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/****************************************************************************/
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/* A message sent to a file action function. */
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struct file_action_message
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{
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enum file_action_t fam_Action; /* What to do */
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char * fam_Data; /* Where to read/write the data */
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int fam_Size; /* How much data to write */
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long int fam_Offset; /* The seek offset */
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int fam_Mode; /* The seek mode */
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int fam_Arg; /* Whether or not this file should
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be set non-blocking or use
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asynchronous I/O */
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struct FileInfoBlock * fam_FileInfo;
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struct MsgPort * fam_FileSystem;
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int fam_Error; /* Error code, if any... */
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};
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/****************************************************************************/
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/* The file action function for buffered files. */
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typedef int (*file_action_iob_t)(struct iob * iob,struct file_action_message * fam);
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@ -342,32 +312,6 @@ struct iob
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/****************************************************************************/
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#define FDF_READ (1UL<<0) /* Data can be read from this file */
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#define FDF_WRITE (1UL<<1) /* Data can be written to this file */
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#define FDF_APPEND (1UL<<2) /* Before any data is written to it,
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the file position must be set to the
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end of the file */
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#define FDF_NO_CLOSE (1UL<<3) /* Never close this file */
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#define FDF_NON_BLOCKING (1UL<<4) /* File was switched into non-blocking
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mode (console streams only) */
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#define FDF_IS_SOCKET (1UL<<5) /* This is not a disk file but a socket */
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#define FDF_IS_LOCKED (1UL<<6) /* This file has an advisory record lock set */
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#define FDF_IN_USE (1UL<<7) /* This file is in use */
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#define FDF_CREATED (1UL<<8) /* This file was newly created and may need
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to have its protection bits updated after
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it has been closed */
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#define FDF_CACHE_POSITION (1UL<<9) /* Cache the file position. */
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#define FDF_ASYNC_IO (1UL<<10) /* File was switched into asynchronous I/O
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mode (sockets only). */
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#define FDF_IS_INTERACTIVE (1UL<<11) /* File is attached to a console window or
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something like it. */
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#define FDF_STDIO (1UL<<12) /* File is to be attached to one of the
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standard input/output/error streams. */
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#define FDF_TERMIOS (1UL<<13) /* File is under termios control.
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FDF_IS_INTERACTIVE should also be set. */
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/****************************************************************************/
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/* The file action function for unbuffered files. */
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typedef int (*file_action_fd_t)(struct fd * fd,struct file_action_message * fam);
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@ -393,6 +337,10 @@ struct fd
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LONG fdu_Socket; /* A socket identifier */
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} fdu_Default;
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/************************************************************************/
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/* Public portion ends here */
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/************************************************************************/
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struct SignalSemaphore * fd_Lock; /* For thread locking */
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ULONG fd_Position; /* Cached file position (seek offset). */
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fd_cleanup_t fd_Cleanup; /* Cleanup function, if any. */
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@ -408,11 +356,6 @@ struct fd
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/****************************************************************************/
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#define fd_DefaultFile fdu_Default.fdu_File
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#define fd_Socket fdu_Default.fdu_Socket
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/****************************************************************************/
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/* Files and directories to be unlinked when the program exits. */
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struct UnlinkNode
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{
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