1085 lines
32 KiB
C++
1085 lines
32 KiB
C++
/* fhandler.h
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Copyright 1996, 1997, 1998, 1999, 2000, 2001 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _FHANDLER_H_
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#define _FHANDLER_H_
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#include <sys/ioctl.h>
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/* Classes
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Code is located in fhandler.cc unless another file name is given.
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fhandler_base normal I/O
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fhandler_disk_file
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fhandler_serial Adds vmin and vtime.
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fhandler_dev_null Not really I/O
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fhandler_dev_zero Faked
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fhandler_dev_raw (fhandler_raw.cc)
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fhandler_dev_floppy (fhandler_floppy.cc)
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fhandler_dev_tape (fhandler_tape.cc)
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fhandler_pipe
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fhandler_socket (fhandler_socket.cc)
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fhandler_tty_slave (tty.cc)
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fhandler_pty_master (tty.cc)
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fhandler_tty_master (tty.cc)
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fhandler_console Out with ansi control. (console.cc)
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fhandler_windows Windows messages I/O (fhandler_windows.cc)
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fhandler_dev_random /dev/[u]random implementation (fhandler_random.cc)
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fhandler_dev_mem /dev/mem implementation (fhandler_mem.cc)
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fhandler_dev_clipboard /dev/clipboard implementation (fhandler_clipboard.cc)
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fhandler_proc Interesting possibility, not implemented yet
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*/
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enum
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{
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FH_RBINARY = 0x00001000, /* binary read mode */
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FH_WBINARY = 0x00002000, /* binary write mode */
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FH_CLOEXEC = 0x00004000, /* close-on-exec */
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FH_RBINSET = 0x00008000, /* binary read mode has been explicitly set */
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FH_WBINSET = 0x00010000, /* binary write mode has been explicitly set */
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FH_APPEND = 0x00020000, /* always append */
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FH_ASYNC = 0x00040000, /* async I/O */
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FH_SIGCLOSE = 0x00080000, /* signal handler should close fd on interrupt */
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FH_SYMLINK = 0x00100000, /* is a symlink */
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FH_EXECABL = 0x00200000, /* file looked like it would run:
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* ends in .exe or .bat or begins with #! */
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FH_W95LSBUG = 0x00400000, /* set when lseek is called as a flag that
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* _write should check if we've moved beyond
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* EOF, zero filling if so. */
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FH_NOFRNAME = 0x00800000, /* Set if shouldn't free unix_path_name and
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windows_path_name_ on destruction. */
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FH_NOEINTR = 0x01000000, /* Set if I/O should be uninterruptible. */
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FH_FFIXUP = 0x02000000, /* Set if need to fixup after fork. */
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FH_LOCAL = 0x04000000, /* File is unix domain socket */
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FH_SHUTRD = 0x08000000, /* Socket saw a SHUT_RD */
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FH_SHUTWR = 0x10000000, /* Socket saw a SHUT_WR */
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FH_ISREMOTE = 0x10000000, /* File is on a remote drive */
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FH_DCEXEC = 0x20000000, /* Don't care if this is executable */
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FH_HASACLS = 0x40000000, /* True if fs of file has ACLS */
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FH_QUERYOPEN = 0x80000000, /* open file without requesting either read
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or write access */
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/* Device flags */
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/* Slow devices */
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FH_CONSOLE = 0x00000001, /* is a console */
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FH_CONIN = 0x00000002, /* console input */
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FH_CONOUT = 0x00000003, /* console output */
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FH_TTYM = 0x00000004, /* is a tty master */
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FH_TTYS = 0x00000005, /* is a tty slave */
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FH_PTYM = 0x00000006, /* is a pty master */
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FH_SERIAL = 0x00000007, /* is a serial port */
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FH_PIPE = 0x00000008, /* is a pipe */
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FH_PIPER = 0x00000009, /* read end of a pipe */
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FH_PIPEW = 0x0000000a, /* write end of a pipe */
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FH_SOCKET = 0x0000000b, /* is a socket */
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FH_WINDOWS = 0x0000000c, /* is a window */
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FH_SLOW = 0x00000010, /* "slow" device if below this */
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/* Fast devices */
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FH_DISK = 0x00000010, /* is a disk */
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FH_FLOPPY = 0x00000011, /* is a floppy */
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FH_TAPE = 0x00000012, /* is a tape */
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FH_NULL = 0x00000013, /* is the null device */
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FH_ZERO = 0x00000014, /* is the zero device */
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FH_RANDOM = 0x00000015, /* is a random device */
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FH_MEM = 0x00000016, /* is a mem device */
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FH_CLIPBOARD = 0x00000017, /* is a clipbaord device */
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FH_OSS_DSP = 0x00000018, /* is a dsp audio device */
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FH_NDEV = 0x00000019, /* Maximum number of devices */
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FH_DEVMASK = 0x00000fff, /* devices live here */
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FH_BAD = 0xffffffff
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};
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#define FHDEVN(n) ((n) & FH_DEVMASK)
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#define FHISSETF(x) __ISSETF (this, x, FH)
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#define FHSETF(x) __SETF (this, x, FH)
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#define FHCLEARF(x) __CLEARF (this, x, FH)
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#define FHCONDSETF(n, x) __CONDSETF(n, this, x, FH)
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#define FHSTATOFF 0
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/* fcntl flags used only internaly. */
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#define O_NOSYMLINK 0x080000
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#define O_DIROPEN 0x100000
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/* newlib used to define O_NDELAY differently from O_NONBLOCK. Now it
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properly defines both to be the same. Unfortunately, we have to
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behave properly the old version, too, to accomodate older executables. */
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#define OLD_O_NDELAY (CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK ? 4 : 0)
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/* Care for the old O_NDELAY flag. If one of the flags is set,
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both flags are set. */
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#define O_NONBLOCK_MASK (O_NONBLOCK | OLD_O_NDELAY)
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extern const char *windows_device_names[];
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extern struct __cygwin_perfile *perfile_table;
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#define __fmode (*(user_data->fmode_ptr))
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class select_record;
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class path_conv;
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class fhandler_disk_file;
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enum bg_check_types
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{
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bg_error = -1,
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bg_eof = 0,
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bg_ok = 1,
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bg_signalled = 2
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};
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enum executable_states
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{
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is_executable,
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not_executable,
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dont_care_if_executable,
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dont_know_if_executable
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};
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class fhandler_base
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{
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protected:
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DWORD status;
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public:
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int cb;
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private:
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int access;
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HANDLE io_handle;
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unsigned long namehash; /* hashed filename, used as inode num */
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protected:
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/* Full unix path name of this file */
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/* File open flags from open () and fcntl () calls */
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int openflags;
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char *rabuf; /* used for crlf conversion in text files */
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size_t ralen;
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size_t raixget;
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size_t raixput;
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size_t rabuflen;
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char *unix_path_name;
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char *win32_path_name;
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DWORD open_status;
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public:
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void set_name (const char * unix_path, const char * win32_path = NULL,
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int unit = 0);
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virtual fhandler_base& operator =(fhandler_base &x);
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fhandler_base (DWORD dev, const char *name = 0, int unit = 0);
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virtual ~fhandler_base ();
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/* Non-virtual simple accessor functions. */
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void set_io_handle (HANDLE x) { io_handle = x; }
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void set_cb (size_t size) { cb = size; }
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DWORD get_device () { return status & FH_DEVMASK; }
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virtual int get_unit () { return 0; }
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virtual BOOL is_slow () { return get_device () < FH_SLOW; }
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int get_access () { return access; }
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void set_access (int x) { access = x; }
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int get_async () { return FHISSETF (ASYNC); }
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void set_async (int x) { FHCONDSETF (x, ASYNC); }
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int get_flags () { return openflags; }
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void set_flags (int x) { openflags = x; }
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int is_nonblocking ();
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void set_nonblocking (int yes);
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int get_w_binary () { return FHISSETF (WBINARY); }
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int get_r_binary () { return FHISSETF (RBINARY); }
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int get_w_binset () { return FHISSETF (WBINSET); }
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int get_r_binset () { return FHISSETF (RBINSET); }
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void set_w_binary (int b) { FHCONDSETF (b, WBINARY); FHSETF (WBINSET); }
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void set_r_binary (int b) { FHCONDSETF (b, RBINARY); FHSETF (RBINSET); }
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void clear_w_binary () {FHCLEARF (WBINARY); FHCLEARF (WBINSET); }
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void clear_r_binary () {FHCLEARF (RBINARY); FHCLEARF (RBINSET); }
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void set_open_status () {open_status = status;}
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DWORD get_open_status () {return open_status;}
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void reset_to_open_binmode ()
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{
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status = status & ~(FH_WBINARY | FH_WBINSET | FH_RBINARY | FH_RBINSET);
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status = status | ((FH_WBINARY | FH_WBINSET | FH_RBINARY | FH_RBINSET)
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& open_status);
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}
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int get_default_fmode (int flags);
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int get_r_no_interrupt () { return FHISSETF (NOEINTR); }
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void set_r_no_interrupt (int b) { FHCONDSETF (b, NOEINTR); }
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int get_close_on_exec () { return FHISSETF (CLOEXEC); }
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int set_close_on_exec_flag (int b) { return FHCONDSETF (b, CLOEXEC); }
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LPSECURITY_ATTRIBUTES get_inheritance (bool all = 0)
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{
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if (all)
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return get_close_on_exec () ? &sec_all_nih : &sec_all;
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else
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return get_close_on_exec () ? &sec_none_nih : &sec_none;
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}
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void set_check_win95_lseek_bug (int b = 1) { FHCONDSETF (b, W95LSBUG); }
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int get_check_win95_lseek_bug () { return FHISSETF (W95LSBUG); }
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int get_need_fork_fixup () { return FHISSETF (FFIXUP); }
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void set_need_fork_fixup () { FHSETF (FFIXUP); }
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virtual void set_close_on_exec (int val);
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virtual void fixup_before_fork_exec (DWORD) {}
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virtual void fixup_after_fork (HANDLE);
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virtual void fixup_after_exec (HANDLE) {}
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int get_symlink_p () { return FHISSETF (SYMLINK); }
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void set_symlink_p (int val) { FHCONDSETF (val, SYMLINK); }
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void set_symlink_p () { FHSETF (SYMLINK); }
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int get_socket_p () { return FHISSETF (LOCAL); }
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void set_socket_p (int val) { FHCONDSETF (val, LOCAL); }
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void set_socket_p () { FHSETF (LOCAL); }
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int get_execable_p () { return FHISSETF (EXECABL); }
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void set_execable_p (executable_states val)
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{
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FHCONDSETF (val == is_executable, EXECABL);
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FHCONDSETF (val == dont_care_if_executable, DCEXEC);
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}
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void set_execable_p () { FHSETF (EXECABL); }
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int dont_care_if_execable () { return FHISSETF (DCEXEC); }
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int get_append_p () { return FHISSETF (APPEND); }
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void set_append_p (int val) { FHCONDSETF (val, APPEND); }
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void set_append_p () { FHSETF (APPEND); }
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int get_query_open () { return FHISSETF (QUERYOPEN); }
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void set_query_open (int val) { FHCONDSETF (val, QUERYOPEN); }
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int get_readahead_valid () { return raixget < ralen; }
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int puts_readahead (const char *s, size_t len = (size_t) -1);
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int put_readahead (char value);
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int get_readahead ();
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int peek_readahead (int queryput = 0);
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int eat_readahead (int n);
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void set_readahead_valid (int val, int ch = -1);
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int get_readahead_into_buffer (char *buf, size_t buflen);
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int has_acls () { return FHISSETF (HASACLS); }
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void set_has_acls (int val) { FHCONDSETF (val, HASACLS); }
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int isremote () { return FHISSETF (ISREMOTE); }
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void set_isremote (int val) { FHCONDSETF (val, ISREMOTE); }
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int no_free_names () { return FHISSETF (NOFRNAME); }
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void set_no_free_names (int val) { FHCONDSETF (val, NOFRNAME); }
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void set_no_free_names () { FHSETF (NOFRNAME); }
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const char *get_name () { return unix_path_name; }
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const char *get_win32_name () { return win32_path_name; }
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unsigned long get_namehash () { return namehash; }
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virtual void hclose (HANDLE h) {CloseHandle (h);}
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virtual void set_inheritance (HANDLE &h, int not_inheriting);
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/* fixup fd possibly non-inherited handles after fork */
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void fork_fixup (HANDLE parent, HANDLE &h, const char *name);
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/* Potentially overridden virtual functions. */
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virtual int open (const char *, int flags, mode_t mode = 0)
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{
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return open (flags, mode);
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}
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virtual int open (int flags, mode_t mode = 0);
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virtual int close ();
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virtual int fstat (struct stat *buf) { return stat_dev (get_device (), get_unit (), get_namehash (), buf); }
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virtual int ioctl (unsigned int cmd, void *);
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virtual int fcntl (int cmd, void *);
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virtual char const * ttyname () { return get_name(); }
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virtual int read (void *ptr, size_t len);
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virtual int write (const void *ptr, size_t len);
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virtual off_t lseek (off_t offset, int whence);
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virtual int lock (int, struct flock *);
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virtual void dump ();
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virtual int dup (fhandler_base *child);
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virtual HANDLE mmap (caddr_t *addr, size_t len, DWORD access,
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int flags, off_t off);
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virtual int munmap (HANDLE h, caddr_t addr, size_t len);
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virtual int msync (HANDLE h, caddr_t addr, size_t len, int flags);
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virtual BOOL fixup_mmap_after_fork (HANDLE h, DWORD access, DWORD offset,
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DWORD size, void *address);
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void *operator new (size_t, void *p) {return p;}
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virtual void init (HANDLE, DWORD, mode_t);
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virtual int tcflush (int);
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virtual int tcsendbreak (int);
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virtual int tcdrain ();
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virtual int tcflow (int);
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virtual int tcsetattr (int a, const struct termios *t);
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virtual int tcgetattr (struct termios *t);
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virtual int tcsetpgrp (const pid_t pid);
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virtual int tcgetpgrp ();
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virtual int is_tty () { return 0; }
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virtual BOOL is_device () { return TRUE; }
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virtual char *ptsname () { return NULL;}
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virtual class fhandler_socket *is_socket () { return 0; }
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virtual class fhandler_console *is_console () { return 0; }
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virtual int is_windows () {return 0; }
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virtual int raw_read (void *ptr, size_t ulen);
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virtual int raw_write (const void *ptr, size_t ulen);
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/* Virtual accessor functions to hide the fact
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that some fd's have two handles. */
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virtual HANDLE& get_handle () { return io_handle; }
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virtual HANDLE& get_io_handle () { return io_handle; }
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virtual HANDLE& get_output_handle () { return io_handle; }
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virtual BOOL hit_eof () {return FALSE;}
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virtual select_record *select_read (select_record *s);
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virtual select_record *select_write (select_record *s);
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virtual select_record *select_except (select_record *s);
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virtual int ready_for_read (int fd, DWORD howlong, int ignra);
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virtual const char * get_native_name ()
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{
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return windows_device_names[FHDEVN (status)];
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}
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virtual bg_check_types bg_check (int) {return bg_ok;}
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void clear_readahead ()
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{
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raixput = raixget = ralen = rabuflen = 0;
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rabuf = NULL;
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}
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void operator delete (void *);
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};
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class fhandler_socket: public fhandler_base
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{
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private:
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int addr_family;
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int connect_secret [4];
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HANDLE secret_event;
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struct _WSAPROTOCOL_INFOA *prot_info_ptr;
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public:
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fhandler_socket (const char *name = 0);
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~fhandler_socket ();
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int get_socket () { return (int) get_handle(); }
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fhandler_socket * is_socket () { return this; }
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bool saw_shutdown_read () const {return FHISSETF (SHUTRD);}
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bool saw_shutdown_write () const {return FHISSETF (SHUTWR);}
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void set_shutdown_read () {FHSETF (SHUTRD);}
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void set_shutdown_write () {FHSETF (SHUTWR);}
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int write (const void *ptr, size_t len);
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int read (void *ptr, size_t len);
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int ioctl (unsigned int cmd, void *);
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int fcntl (int cmd, void *);
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off_t lseek (off_t, int) { return 0; }
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int close ();
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void hclose (HANDLE) {close ();}
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int dup (fhandler_base *child);
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void set_close_on_exec (int val);
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virtual void fixup_before_fork_exec (DWORD);
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void fixup_after_fork (HANDLE);
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void fixup_after_exec (HANDLE);
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select_record *select_read (select_record *s);
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select_record *select_write (select_record *s);
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select_record *select_except (select_record *s);
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int ready_for_read (int fd, DWORD howlong, int ignra);
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int get_addr_family () {return addr_family;}
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void set_addr_family (int af) {addr_family = af;}
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void set_connect_secret ();
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void get_connect_secret (char*);
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HANDLE create_secret_event (int *secret = NULL);
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int check_peer_secret_event (struct sockaddr_in *peer, int *secret = NULL);
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void signal_secret_event ();
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void close_secret_event ();
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};
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class fhandler_pipe: public fhandler_base
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{
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HANDLE guard;
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public:
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fhandler_pipe (const char *name = 0, DWORD devtype = FH_PIPE);
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off_t lseek (off_t offset, int whence);
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BOOL is_slow () {return !wincap.has_unreliable_pipes ();}
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select_record *select_read (select_record *s);
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select_record *select_write (select_record *s);
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select_record *select_except (select_record *s);
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int ready_for_read (int fd, DWORD howlong, int ignra);
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void set_close_on_exec (int val);
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int read (void *ptr, size_t len);
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int close ();
|
|
void create_guard (SECURITY_ATTRIBUTES *sa) {guard = CreateMutex (sa, FALSE, NULL);}
|
|
int dup (fhandler_base *child);
|
|
};
|
|
|
|
class fhandler_dev_raw: public fhandler_base
|
|
{
|
|
protected:
|
|
char *devbuf;
|
|
size_t devbufsiz;
|
|
size_t devbufstart;
|
|
size_t devbufend;
|
|
int eom_detected : 1;
|
|
int eof_detected : 1;
|
|
int lastblk_to_read : 1;
|
|
int is_writing : 1;
|
|
int has_written : 1;
|
|
int varblkop : 1;
|
|
int unit;
|
|
|
|
virtual void clear (void);
|
|
virtual int writebuf (void);
|
|
|
|
/* returns not null, if `win_error' determines an end of media condition */
|
|
virtual int is_eom(int win_error) = 0;
|
|
/* returns not null, if `win_error' determines an end of file condition */
|
|
virtual int is_eof(int win_error) = 0;
|
|
|
|
fhandler_dev_raw (DWORD dev, const char *name, int unit);
|
|
|
|
public:
|
|
~fhandler_dev_raw (void);
|
|
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int close (void);
|
|
|
|
int raw_read (void *ptr, size_t ulen);
|
|
int raw_write (const void *ptr, size_t ulen);
|
|
|
|
int fstat (struct stat *buf);
|
|
|
|
int dup (fhandler_base *child);
|
|
|
|
int ioctl (unsigned int cmd, void *buf);
|
|
|
|
void fixup_after_fork (HANDLE);
|
|
void fixup_after_exec (HANDLE);
|
|
};
|
|
|
|
class fhandler_dev_floppy: public fhandler_dev_raw
|
|
{
|
|
protected:
|
|
virtual int is_eom (int win_error);
|
|
virtual int is_eof (int win_error);
|
|
|
|
public:
|
|
fhandler_dev_floppy (const char *name, int unit);
|
|
|
|
virtual int open (const char *path, int flags, mode_t mode = 0);
|
|
virtual int close (void);
|
|
|
|
virtual off_t lseek (off_t offset, int whence);
|
|
|
|
virtual int ioctl (unsigned int cmd, void *buf);
|
|
};
|
|
|
|
class fhandler_dev_tape: public fhandler_dev_raw
|
|
{
|
|
int norewind;
|
|
int lasterr;
|
|
|
|
protected:
|
|
virtual void clear (void);
|
|
|
|
virtual int is_eom (int win_error);
|
|
virtual int is_eof (int win_error);
|
|
|
|
public:
|
|
fhandler_dev_tape (const char *name, int unit);
|
|
|
|
virtual int open (const char *path, int flags, mode_t mode = 0);
|
|
virtual int close (void);
|
|
|
|
virtual off_t lseek (off_t offset, int whence);
|
|
|
|
virtual int fstat (struct stat *buf);
|
|
|
|
virtual int dup (fhandler_base *child);
|
|
|
|
virtual int ioctl (unsigned int cmd, void *buf);
|
|
|
|
private:
|
|
int tape_write_marks (int marktype, DWORD len);
|
|
int tape_get_pos (unsigned long *ret);
|
|
int tape_set_pos (int mode, long count, BOOLEAN sfm_func = FALSE);
|
|
int tape_erase (int mode);
|
|
int tape_prepare (int action);
|
|
BOOLEAN tape_get_feature (DWORD parm);
|
|
int tape_get_blocksize (long *min, long *def, long *max, long *cur);
|
|
int tape_set_blocksize (long count);
|
|
int tape_status (struct mtget *get);
|
|
int tape_compression (long count);
|
|
};
|
|
|
|
/* Standard disk file */
|
|
|
|
class fhandler_disk_file: public fhandler_base
|
|
{
|
|
public:
|
|
fhandler_disk_file (const char *name);
|
|
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int open (path_conv& real_path, int flags, mode_t mode);
|
|
int close ();
|
|
int lock (int, struct flock *);
|
|
BOOL is_device () { return FALSE; }
|
|
int fstat (struct stat *buf);
|
|
|
|
HANDLE mmap (caddr_t *addr, size_t len, DWORD access, int flags, off_t off);
|
|
int munmap (HANDLE h, caddr_t addr, size_t len);
|
|
int msync (HANDLE h, caddr_t addr, size_t len, int flags);
|
|
BOOL fixup_mmap_after_fork (HANDLE h, DWORD access, DWORD offset,
|
|
DWORD size, void *address);
|
|
};
|
|
|
|
class fhandler_serial: public fhandler_base
|
|
{
|
|
private:
|
|
unsigned int vmin_; /* from termios */
|
|
unsigned int vtime_; /* from termios */
|
|
pid_t pgrp_;
|
|
|
|
public:
|
|
int overlapped_armed;
|
|
OVERLAPPED io_status;
|
|
|
|
/* Constructor */
|
|
fhandler_serial (const char *name, DWORD devtype = FH_SERIAL, int unit = 0);
|
|
|
|
int open (const char *path, int flags, mode_t mode);
|
|
int close ();
|
|
void init (HANDLE h, DWORD a, mode_t flags);
|
|
void overlapped_setup ();
|
|
int dup (fhandler_base *child);
|
|
int raw_read (void *ptr, size_t ulen);
|
|
int raw_write (const void *ptr, size_t ulen);
|
|
int tcsendbreak (int);
|
|
int tcdrain ();
|
|
int tcflow (int);
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
off_t lseek (off_t, int) { return 0; }
|
|
int tcflush (int);
|
|
void dump ();
|
|
int is_tty () { return 1; }
|
|
void fixup_after_fork (HANDLE parent);
|
|
void fixup_after_exec (HANDLE);
|
|
|
|
/* We maintain a pgrp so that tcsetpgrp and tcgetpgrp work, but we
|
|
don't use it for permissions checking. fhandler_tty_slave does
|
|
permission checking on pgrps. */
|
|
virtual int tcgetpgrp () { return pgrp_; }
|
|
virtual int tcsetpgrp (const pid_t pid) { pgrp_ = pid; return 0; }
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
int ready_for_read (int fd, DWORD howlong, int ignra);
|
|
};
|
|
|
|
#define acquire_output_mutex(ms) \
|
|
__acquire_output_mutex (__PRETTY_FUNCTION__, __LINE__, ms);
|
|
|
|
#define release_output_mutex() \
|
|
__release_output_mutex (__PRETTY_FUNCTION__, __LINE__);
|
|
|
|
class tty;
|
|
class tty_min;
|
|
class fhandler_termios: public fhandler_base
|
|
{
|
|
protected:
|
|
HANDLE output_handle;
|
|
virtual void doecho (const void *, DWORD) {};
|
|
virtual int accept_input () {return 1;};
|
|
public:
|
|
tty_min *tc;
|
|
fhandler_termios (DWORD dev, const char *name = 0, int unit = 0) :
|
|
fhandler_base (dev, name, unit)
|
|
{
|
|
set_need_fork_fixup ();
|
|
}
|
|
HANDLE& get_output_handle () { return output_handle; }
|
|
int line_edit (const char *rptr, int nread, int always_accept = 0);
|
|
void set_output_handle (HANDLE h) { output_handle = h; }
|
|
void tcinit (tty_min *this_tc, int force = FALSE);
|
|
virtual int is_tty () { return 1; }
|
|
int tcgetpgrp ();
|
|
int tcsetpgrp (int pid);
|
|
bg_check_types bg_check (int sig);
|
|
virtual DWORD __acquire_output_mutex (const char *fn, int ln, DWORD ms) {return 1;}
|
|
virtual void __release_output_mutex (const char *fn, int ln) {}
|
|
void fixup_after_fork (HANDLE);
|
|
void fixup_after_exec (HANDLE parent) { fixup_after_fork (parent); }
|
|
void echo_erase (int force = 0);
|
|
};
|
|
|
|
enum ansi_intensity
|
|
{
|
|
INTENSITY_INVISIBLE,
|
|
INTENSITY_DIM,
|
|
INTENSITY_NORMAL,
|
|
INTENSITY_BOLD
|
|
};
|
|
|
|
#define normal 1
|
|
#define gotesc 2
|
|
#define gotsquare 3
|
|
#define gotarg1 4
|
|
#define gotrsquare 5
|
|
#define gotcommand 6
|
|
#define gettitle 7
|
|
#define eattitle 8
|
|
#define MAXARGS 10
|
|
|
|
/* This is a input and output console handle */
|
|
class fhandler_console: public fhandler_termios
|
|
{
|
|
private:
|
|
|
|
WORD default_color, underline_color, dim_color;
|
|
|
|
/* Used to determine if an input keystroke should be modified with META. */
|
|
int meta_mask;
|
|
|
|
/* Output state */
|
|
int state_;
|
|
int args_[MAXARGS];
|
|
int nargs_;
|
|
unsigned rarg;
|
|
BOOL saw_question_mark;
|
|
|
|
char my_title_buf [TITLESIZE + 1];
|
|
|
|
WORD current_win32_attr;
|
|
ansi_intensity intensity;
|
|
BOOL underline, blink, reverse;
|
|
WORD fg, bg;
|
|
|
|
/* saved cursor coordinates */
|
|
int savex, savey;
|
|
|
|
/* saved screen */
|
|
COORD savebufsiz;
|
|
PCHAR_INFO savebuf;
|
|
|
|
struct
|
|
{
|
|
short Top, Bottom;
|
|
} scroll_region;
|
|
struct
|
|
{
|
|
SHORT winTop;
|
|
SHORT winBottom;
|
|
COORD dwWinSize;
|
|
COORD dwBufferSize;
|
|
COORD dwCursorPosition;
|
|
WORD wAttributes;
|
|
} info;
|
|
|
|
COORD dwLastCursorPosition;
|
|
DWORD dwLastButtonState;
|
|
int nModifiers;
|
|
|
|
BOOL insert_mode;
|
|
BOOL use_mouse;
|
|
BOOL raw_win32_keyboard_mode;
|
|
|
|
/* Output calls */
|
|
void set_default_attr ();
|
|
WORD get_win32_attr ();
|
|
|
|
BOOL fillin_info ();
|
|
void clear_screen (int, int, int, int);
|
|
void scroll_screen (int, int, int, int, int, int);
|
|
void cursor_set (BOOL, int, int);
|
|
void cursor_get (int *, int *);
|
|
void cursor_rel (int, int);
|
|
const unsigned char * write_normal (unsigned const char*, unsigned const char *);
|
|
void char_command (char);
|
|
BOOL set_raw_win32_keyboard_mode (BOOL);
|
|
int output_tcsetattr (int a, const struct termios *t);
|
|
|
|
/* Input calls */
|
|
int igncr_enabled ();
|
|
int input_tcsetattr (int a, const struct termios *t);
|
|
void set_cursor_maybe ();
|
|
|
|
public:
|
|
|
|
fhandler_console (const char *name);
|
|
|
|
fhandler_console* is_console () { return this; }
|
|
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
|
|
int write (const void *ptr, size_t len);
|
|
void doecho (const void *str, DWORD len) { (void) write (str, len); }
|
|
int read (void *ptr, size_t len);
|
|
int close ();
|
|
|
|
int tcflush (int);
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
|
|
/* Special dup as we must dup two handles */
|
|
int dup (fhandler_base *child);
|
|
|
|
int ioctl (unsigned int cmd, void *);
|
|
void init (HANDLE, DWORD, mode_t);
|
|
bool mouse_aware () {return use_mouse;}
|
|
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
int ready_for_read (int fd, DWORD howlong, int ignra);
|
|
void fixup_after_exec (HANDLE);
|
|
void set_close_on_exec (int val);
|
|
void fixup_after_fork (HANDLE parent);
|
|
void set_input_state ();
|
|
};
|
|
|
|
class fhandler_tty_common: public fhandler_termios
|
|
{
|
|
public:
|
|
fhandler_tty_common (DWORD dev, const char *name = 0, int unit = 0) :
|
|
fhandler_termios (dev, name, unit),
|
|
ttynum (unit)
|
|
{
|
|
// nothing to do
|
|
}
|
|
HANDLE output_done_event; // Raised by master when tty's output buffer
|
|
// written. Write status in tty::write_retval.
|
|
HANDLE ioctl_request_event; // Raised by slave to perform ioctl() request.
|
|
// Ioctl() request in tty::cmd/arg.
|
|
HANDLE ioctl_done_event; // Raised by master on ioctl() completion.
|
|
// Ioctl() status in tty::ioctl_retval.
|
|
HANDLE output_mutex, input_mutex;
|
|
HANDLE input_available_event;
|
|
HANDLE inuse; // used to indicate that a tty is in use
|
|
|
|
|
|
DWORD __acquire_output_mutex (const char *fn, int ln, DWORD ms);
|
|
void __release_output_mutex (const char *fn, int ln);
|
|
|
|
int ttynum; // Master tty num.
|
|
virtual int dup (fhandler_base *child);
|
|
|
|
tty *get_ttyp () { return (tty *)tc; }
|
|
int get_unit () { return ttynum; }
|
|
|
|
int close ();
|
|
void set_close_on_exec (int val);
|
|
void fixup_after_fork (HANDLE parent);
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
int ready_for_read (int fd, DWORD howlong, int ignra);
|
|
};
|
|
|
|
class fhandler_tty_slave: public fhandler_tty_common
|
|
{
|
|
public:
|
|
/* Constructor */
|
|
fhandler_tty_slave (const char *name);
|
|
fhandler_tty_slave (int, const char *name);
|
|
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
int read (void *ptr, size_t len);
|
|
void init (HANDLE, DWORD, mode_t);
|
|
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
int tcflush (int);
|
|
int ioctl (unsigned int cmd, void *);
|
|
|
|
off_t lseek (off_t, int) { return 0; }
|
|
select_record *select_read (select_record *s);
|
|
int ready_for_read (int fd, DWORD howlong, int ignra);
|
|
};
|
|
|
|
class fhandler_pty_master: public fhandler_tty_common
|
|
{
|
|
int pktmode; // non-zero if pty in a packet mode.
|
|
public:
|
|
int need_nl; // Next read should start with \n
|
|
|
|
/* Constructor */
|
|
fhandler_pty_master (const char *name, DWORD devtype = FH_PTYM, int unit = -1);
|
|
|
|
int process_slave_output (char *buf, size_t len, int pktmode_on);
|
|
void doecho (const void *str, DWORD len);
|
|
int accept_input ();
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
int read (void *ptr, size_t len);
|
|
int close ();
|
|
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
int tcflush (int);
|
|
int ioctl (unsigned int cmd, void *);
|
|
|
|
off_t lseek (off_t, int) { return 0; }
|
|
char *ptsname ();
|
|
|
|
void set_close_on_exec (int val);
|
|
BOOL hit_eof ();
|
|
};
|
|
|
|
class fhandler_tty_master: public fhandler_pty_master
|
|
{
|
|
public:
|
|
/* Constructor */
|
|
fhandler_tty_master (const char *name, int unit);
|
|
fhandler_console *console; // device handler to perform real i/o.
|
|
HANDLE hThread; // process_output thread handle.
|
|
|
|
int init (int);
|
|
int init_console ();
|
|
void fixup_after_fork (HANDLE parent);
|
|
void fixup_after_exec (HANDLE);
|
|
};
|
|
|
|
class fhandler_dev_null: public fhandler_base
|
|
{
|
|
public:
|
|
fhandler_dev_null (const char *name);
|
|
|
|
void dump ();
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
};
|
|
|
|
class fhandler_dev_zero: public fhandler_base
|
|
{
|
|
public:
|
|
fhandler_dev_zero (const char *name);
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
int read (void *ptr, size_t len);
|
|
off_t lseek (off_t offset, int whence);
|
|
int close (void);
|
|
|
|
void dump ();
|
|
};
|
|
|
|
class fhandler_dev_random: public fhandler_base
|
|
{
|
|
protected:
|
|
int unit;
|
|
HCRYPTPROV crypt_prov;
|
|
long pseudo;
|
|
|
|
BOOL crypt_gen_random (void *ptr, size_t len);
|
|
int pseudo_write (const void *ptr, size_t len);
|
|
int pseudo_read (void *ptr, size_t len);
|
|
|
|
public:
|
|
fhandler_dev_random (const char *name, int unit);
|
|
int get_unit () { return unit; }
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
int read (void *ptr, size_t len);
|
|
off_t lseek (off_t offset, int whence);
|
|
int close (void);
|
|
int dup (fhandler_base *child);
|
|
|
|
void dump ();
|
|
};
|
|
|
|
class fhandler_dev_mem: public fhandler_base
|
|
{
|
|
protected:
|
|
int unit;
|
|
DWORD mem_size;
|
|
DWORD pos;
|
|
|
|
public:
|
|
fhandler_dev_mem (const char *name, int unit);
|
|
~fhandler_dev_mem (void);
|
|
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t ulen);
|
|
int read (void *ptr, size_t ulen);
|
|
off_t lseek (off_t offset, int whence);
|
|
int close (void);
|
|
int fstat (struct stat *buf);
|
|
int dup (fhandler_base *child);
|
|
|
|
HANDLE mmap (caddr_t *addr, size_t len, DWORD access, int flags, off_t off);
|
|
int munmap (HANDLE h, caddr_t addr, size_t len);
|
|
int msync (HANDLE h, caddr_t addr, size_t len, int flags);
|
|
BOOL fixup_mmap_after_fork (HANDLE h, DWORD access, DWORD offset,
|
|
DWORD size, void *address);
|
|
|
|
void dump ();
|
|
} ;
|
|
|
|
class fhandler_dev_clipboard: public fhandler_base
|
|
{
|
|
public:
|
|
fhandler_dev_clipboard (const char *name);
|
|
int is_windows (void) { return 1; }
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
int read (void *ptr, size_t len);
|
|
off_t lseek (off_t offset, int whence);
|
|
int close (void);
|
|
|
|
int dup (fhandler_base *child);
|
|
|
|
void dump ();
|
|
|
|
private:
|
|
off_t pos;
|
|
void *membuffer;
|
|
size_t msize;
|
|
BOOL eof;
|
|
};
|
|
|
|
class fhandler_windows: public fhandler_base
|
|
{
|
|
private:
|
|
HWND hWnd_; // the window whose messages are to be retrieved by read() call
|
|
int method_; // write method (Post or Send)
|
|
public:
|
|
fhandler_windows (const char *name = 0);
|
|
int is_windows (void) { return 1; }
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
int read (void *ptr, size_t len);
|
|
int ioctl (unsigned int cmd, void *);
|
|
off_t lseek (off_t, int) { return 0; }
|
|
int close (void) { return 0; }
|
|
|
|
void set_close_on_exec (int val);
|
|
void fixup_after_fork (HANDLE parent);
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
int ready_for_read (int fd, DWORD howlong, int ignra);
|
|
};
|
|
|
|
class fhandler_dev_dsp : public fhandler_base
|
|
{
|
|
private:
|
|
int audioformat_;
|
|
int audiofreq_;
|
|
int audiobits_;
|
|
int audiochannels_;
|
|
bool setupwav(const char *pData, int nBytes);
|
|
public:
|
|
fhandler_dev_dsp (const char *name = 0);
|
|
~fhandler_dev_dsp();
|
|
|
|
int open (const char *path, int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
int read (void *ptr, size_t len);
|
|
int ioctl (unsigned int cmd, void *);
|
|
off_t lseek (off_t, int);
|
|
int close (void);
|
|
int dup (fhandler_base * child);
|
|
void dump (void);
|
|
void fixup_after_exec (HANDLE);
|
|
};
|
|
|
|
#if 0
|
|
/* You can't do this */
|
|
typedef union
|
|
{
|
|
fhandler_normal normal;
|
|
fhandler_dev_null dev_null;
|
|
fhandler bare;
|
|
fhandler_serial tty;
|
|
} fhandler_union;
|
|
#else
|
|
#define fhandler_union fhandler_console
|
|
#endif
|
|
struct select_record
|
|
{
|
|
int fd;
|
|
HANDLE h;
|
|
fhandler_base *fh;
|
|
BOOL saw_error;
|
|
BOOL windows_handle;
|
|
BOOL read_ready, write_ready, except_ready;
|
|
BOOL read_selected, write_selected, except_selected;
|
|
int (*startup) (select_record *me, class select_stuff *stuff);
|
|
int (*poll) (select_record *me, fd_set *readfds, fd_set *writefds,
|
|
fd_set *exceptfds);
|
|
int (*verify) (select_record *me, fd_set *readfds, fd_set *writefds,
|
|
fd_set *exceptfds);
|
|
void (*cleanup) (select_record *me, class select_stuff *stuff);
|
|
struct select_record *next;
|
|
|
|
select_record (fhandler_base *in_fh = NULL) : fd (0), h (NULL),
|
|
fh (in_fh), saw_error (0), windows_handle (0),
|
|
read_ready (0), write_ready (0), except_ready (0),
|
|
read_selected (0), write_selected (0), except_selected (0),
|
|
startup (NULL), poll (NULL), verify (NULL), cleanup (NULL),
|
|
next (NULL) {}
|
|
};
|
|
|
|
class select_stuff
|
|
{
|
|
public:
|
|
~select_stuff ();
|
|
select_stuff (): always_ready (0), windows_used (0), start (0)
|
|
{
|
|
memset (device_specific, 0, sizeof (device_specific));
|
|
}
|
|
BOOL always_ready, windows_used;
|
|
select_record start;
|
|
void *device_specific[FH_NDEV];
|
|
|
|
int test_and_set (int i, fd_set *readfds, fd_set *writefds,
|
|
fd_set *exceptfds);
|
|
int poll (fd_set *readfds, fd_set *writefds, fd_set *exceptfds);
|
|
int wait (fd_set *readfds, fd_set *writefds, fd_set *exceptfds, DWORD ms);
|
|
void cleanup ();
|
|
};
|
|
|
|
int __stdcall set_console_state_for_spawn ();
|
|
|
|
#endif /* _FHANDLER_H_ */
|