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- /*
- * This file is part of ixemul.library for the Amiga.
- * Copyright (C) 1991, 1992 Markus M. Wild
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #ifndef _SYS_FILE_H
- #define _SYS_FILE_H
-
- #include <sys/types.h>
- #include <sys/fcntl.h>
- #include <sys/unistd.h>
-
- #ifdef _INTERNAL_FILE
- #include <sys/stat.h>
- #include <libraries/dosextens.h>
-
- /* this is the incore representation of a DTYPE_MEM file */
- struct mem_file {
- int mf_offset;
- void *mf_buffer;
- };
-
- /* this `glue' makes a tty a subtype of a plain file. Ie f->f_fh will work
- for plain files as well as ttys. */
- struct tty_glue {
- struct FileHandle *fh;
- unsigned long ttyflags; /* ixemul mapping of termios flags */
- }; /* if we run out of bits, we should */
- /* allocate a tty structure instead */
-
- /* ixemul termios flag mappings: */
- #define IXTTY_INLCR 0x00000001
- #define IXTTY_ICRNL 0x00000002
- #define IXTTY_OPOST 0x00000004
- #define IXTTY_ONLCR 0x00000008
- #define IXTTY_RAW 0x00000010
- #define IXTTY_PKT 0x00000020 /* TIOCPKT replacement */
-
- /* this will hold basic information about a file, but contrairy to
- * Unix, it will also hold its name */
-
- struct file {
- char *f_name; /* the name as used with open() */
- int f_stb_dirty, /* gets == 1, if changes have been made to 'stb' */
- f_type, /* can be a file or some amiga..devices */
- f_flags, /* see fcntl.h */
- f_count, /* open-count, normally 1, higher after dup() */
- (*f_write)(), /* functions to perform write,read,etc on this fd */
- (*f_read)(),
- (*f_ioctl)(),
- (*f_select)(),
- (*f_close)();
- union {
- struct FileHandle *fh; /* this is a CPTR to the allocated
- * FileHandle */
- struct mem_file mf; /* current data for incore files */
- int so; /* points to socket when DTYPE_SOCKET */
- struct unix_socket *sock; /* points to AF_UNIX socket - DTYPE_USOCKET */
- struct sock_stream *ss;
- struct tty_glue tg;
- } f__fh;
- #define f_fh f__fh.fh
- #define f_mf f__fh.mf
- #define f_so f__fh.so
- #define f_sock f__fh.sock
- #define f_ss f__fh.ss
- #define f_ttyflags f__fh.tg.ttyflags
- /* WARNING: if you change this struct, take care, that f_sp starts at
- * long (!) alignment in the struct. The file-table will be allocated
- * by AllocMem(), thus by itself it will have DOS-compatible alignment,
- * if you don't follow this, you'll get some nice gurus.. */
- struct StandardPacket f_sp; /* all IO is done thru the Packet-Interface,
- * not the higher-level DOS-functions */
- struct StandardPacket f_select_sp; /* for the select() function */
- struct stat f_stb; /* file-params at open-time, or after changes to fd */
- int f_sync_flags; /* for process synchronization */
- };
-
-
- #define FSFB_LOCKED (0)
- #define FSFF_LOCKED (1<<0) /* means the fh is in use */
- #define FSFB_WANTLOCK (1)
- #define FSFF_WANTLOCK (1<<1) /* means a process is sleeping on fh to get free */
-
- #endif /* _INTERNAL_FILE_H */
-
-
- #define DTYPE_FILE 1 /* 'file' is really a file */
- #define DTYPE_PIPE 2 /* it's an incore pipe */
- #define DTYPE_MEM 3 /* a RDONLY file completely buffered in memory */
- #define DTYPE_TASK_FILE 4 /* is a 'file', but used by a task, not a process !*/
- #define DTYPE_SOCKET 5 /* socket (inet.library interface) */
- #define DTYPE_USOCKET 6 /* socket (own socket code) */
- #define DTYPE_TTY 7 /* AmigaOS file, with special access functions */
- /* more to follow.. */
-
- #endif /* _SYS_FILE_H */
-