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103 lines
3.8 KiB
C
103 lines
3.8 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is lineterm.
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*
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* The Initial Developer of the Original Code is
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* Ramalingam Saravanan.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* ptystream.h: pseudo-TTY stream header
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* (used by ltermPrivate.h)
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*/
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#ifndef _PTYSTREAM_H
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#define _PTYSTREAM_H 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PTYNAMELEN 10 /* Length of PTY/TTY device name: /dev/pty?? */
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struct ptys { /* PTY structure */
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int ptyFD; /* PTY file descriptor (bi-directional) */
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int errpipeFD; /* stderr pipe file descriptor (-1, if none) */
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long pid; /* PTY child PID */
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int debug; /* Debugging flag */
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char ptydev[PTYNAMELEN+1]; /* PTY (master) name */
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char ttydev[PTYNAMELEN+1]; /* TTY (slave) name */
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};
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/* creates a new pseudo-TTY (PTY) and also a new process attached to
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* it to execute the command line contained in array ARGV.
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* The PTY details are stored in the PTY structure PTYP.
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* ROWS, COLS contain the initial no. of rows/columns.
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* X_PIXELS, Y_PIXELS contain the initial screen size in pixels
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* (may be set to zero if screen size is unknown).
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* ERRFD is the file descriptor to which the STDERR output of the
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* child process is directed.
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* If ERRFD == -1, then the STDERR output is redirected to STDOUT.
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* If ERRFD == -2, then a new pipe is created and STDERR is redirected
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* through it.
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* If NOBLOCK is true, enable non-blocking I/O on PTY.
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* If NOECHO is true, tty echoing is turned off.
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* If NOEXPORT is true, then the current environment is not exported
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* to the new process.
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* If DEBUG_LTERM is true, debugging messages are printed to STDERR.
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* Returns 0 on success and -1 on error.
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*/
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int pty_create(struct ptys *ptyp, char *const argv[],
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int rows, int cols, int x_pixels, int y_pixels,
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int errfd, int noblock, int noecho, int noexport, int debug);
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/* resizes a PTY; if ptyp is null, resizes file desciptor 0,
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* returning 0 on success and -1 on error.
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*/
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int pty_resize(struct ptys *ptyp, int rows, int cols,
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int xpix, int ypix);
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/* closes the PTY and kills the associated child process, if still alive.
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* Also close STDERR pipe, if open.
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* Returns 0 on success and -1 on error.
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*/
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int pty_close(struct ptys *ptyp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PTYSTREAM_H */
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