libaitio/src/pty.c - diff

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Diff for /libaitio/src/pty.c between versions 1.3 and 1.7

version 1.3, 2012/03/29 01:31:34	version 1.7, 2014/02/08 22:06:17
Line 12 terms:	Line 12 terms:
All of the documentation and software included in the ELWIX and AITNET	All of the documentation and software included in the ELWIX and AITNET
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>	Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>

Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012	Copyright 2004 - 2014
by Michael Pounov <misho@elwix.org>. All rights reserved.	by Michael Pounov <misho@elwix.org>. All rights reserved.

Redistribution and use in source and binary forms, with or without	Redistribution and use in source and binary forms, with or without
Line 47 SUCH DAMAGE.	Line 47 SUCH DAMAGE.


/*	/*
* ioAllocPTY() Allocate new PTY and TTY	* ioAllocPTY() - Allocate new PTY and TTY
*	*
* @ptyfd = master fd, pty	* @ptyfd = master fd, pty
* @ttyfd = slave fd, tty	* @ttyfd = slave fd, tty
Line 57 SUCH DAMAGE.	Line 57 SUCH DAMAGE.
* @winz = winsize for terminal	* @winz = winsize for terminal
* return: -1 error or 0 ok	* return: -1 error or 0 ok
*/	*/
inline int	int
ioAllocPTY(int ptyfd, int ttyfd, char * __restrict name, int namesiz,	ioAllocPTY(int ptyfd, int ttyfd, char * __restrict name, int namesiz,
struct termios * __restrict term, struct winsize * __restrict winz)	struct termios * __restrict term, struct winsize * __restrict winz)
{	{
assert(ptyfd && ttyfd);	assert(ptyfd && ttyfd);
if (!ptyfd \|\| !ttyfd \|\| (name && namesiz < 64)) {	if (!ptyfd \|\| !ttyfd \|\| (name && namesiz < 64)) {
io_SetErr(EINVAL, "Error:: invalid arguments ...");	io_SetErr(EINVAL, "Invalid arguments");
return -1;	return -1;
}	}

Line 77 ioAllocPTY(int ptyfd, int ttyfd, char * __restrict n	Line 77 ioAllocPTY(int ptyfd, int ttyfd, char * __restrict n
}	}

/*	/*
* ioFreePTY() Release PTY and TTY device	* ioFreePTY() - Release PTY and TTY device
*	*
* @ptyfd = master fd, pty (==-1 skip closing pty)	* @ptyfd = master fd, pty (==-1 skip closing pty)
* @ttyname = tty filename	* @ttyname = tty filename
* return: none	* return: none
*/	*/
inline void	void
ioFreePTY(int ptyfd, const char *ttyname)	ioFreePTY(int ptyfd, const char *ttyname)
{	{
assert(ttyname);	assert(ttyname);
Line 92 ioFreePTY(int ptyfd, const char *ttyname)	Line 92 ioFreePTY(int ptyfd, const char *ttyname)

if (ptyfd != -1)	if (ptyfd != -1)
close(ptyfd);	close(ptyfd);
if (ttyname) {	if (*ttyname) {
chown(ttyname, (uid_t) 0, (gid_t) 0);	chown(ttyname, (uid_t) 0, (gid_t) 0);
chmod(ttyname, (mode_t) 0666);	chmod(ttyname, (mode_t) 0666);
}	}
}	}

/*	/*
* ioChgWinPTY() Change window size of PTY	* ioChgWinPTY() - Change window size of PTY
*	*
* @ptyfd = master fd, pty	* @ptyfd = master fd, pty
* @row = row	* @row = row
Line 108 ioFreePTY(int ptyfd, const char *ttyname)	Line 108 ioFreePTY(int ptyfd, const char *ttyname)
* @ypxl = y pixels	* @ypxl = y pixels
* return: -1 error or 0 ok	* return: -1 error or 0 ok
*/	*/
inline int	int
ioChgWinPTY(int ptyfd, u_short row, u_short col, u_short xpxl, u_short ypxl)	ioChgWinPTY(int ptyfd, u_short row, u_short col, u_short xpxl, u_short ypxl)
{	{
struct winsize w;	struct winsize w;
Line 127 ioChgWinPTY(int ptyfd, u_short row, u_short col, u_sho	Line 127 ioChgWinPTY(int ptyfd, u_short row, u_short col, u_sho
}	}

/*	/*
* ioSetOwnerTTY() Set owner to TTY	* ioSetOwnerTTY() - Set owner to TTY
*	*
* @ttyname = tty filename	* @ttyname = tty filename
* @UID = uid	* @UID = uid
Line 144 ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GI	Line 144 ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GI

assert(ttyname);	assert(ttyname);
if (!ttyname) {	if (!ttyname) {
io_SetErr(EINVAL, "Error:: invalid arguments ...");	io_SetErr(EINVAL, "Invalid arguments");
return -1;	return -1;
}	}

Line 177 ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GI	Line 177 ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GI
}	}

/*	/*
* ioSetSidTTY() Makes the process's controlling TTY and sets it to sane modes.	* ioSetSidTTY() - Makes the process's controlling TTY and sets it to sane modes.
*	*
* @ttyfd = slave fd, tty	* @ttyfd = slave fd, tty
* @ttyname = tty filename	* @ttyname = tty filename
Line 201 ioSetSidTTY(int ttyfd, const char ttyname)	Line 201 ioSetSidTTY(int ttyfd, const char ttyname)
/* Verify that we are successfully disconnected from the controlling tty. */	/* Verify that we are successfully disconnected from the controlling tty. */
fd = open(_PATH_TTY, O_RDWR \| O_NOCTTY);	fd = open(_PATH_TTY, O_RDWR \| O_NOCTTY);
if (fd >= 0) {	if (fd >= 0) {
io_SetErr(ENXIO, "Error:: Failed to disconnect from controlling tty.");	io_SetErr(ENXIO, "Failed to disconnect from controlling tty");
close(fd);	close(fd);
return -1;	return -1;
}	}
Line 239 ioSetSidTTY(int ttyfd, const char ttyname)	Line 239 ioSetSidTTY(int ttyfd, const char ttyname)
}	}

/*	/*
* ioSetRAWMode() Enter into RAW mode	* ioSetRAWMode() - Enter into RAW mode
*	*
* @fd = tty fd	* @fd = tty fd
* @otio = saved old termios for later restore if !=NULL	* @otio = saved old termios for later restore if !=NULL
* return: -1 error or 0 ok	* return: -1 error or 0 ok
*/	*/
inline int	int
ioSetRAWMode(int fd, struct termios *otio)	ioSetRAWMode(int fd, struct termios *otio)
{	{
struct termios tio;	struct termios tio;
Line 279 ioSetRAWMode(int fd, struct termios *otio)	Line 279 ioSetRAWMode(int fd, struct termios *otio)
}	}

/*	/*
* ioRestoreMode() Restore termios to tty fd	* ioRestoreMode() - Restore termios to tty fd
*	*
* @fd = tty fd	* @fd = tty fd
* @tio = termios structure for restore	* @tio = termios structure for restore
* return: -1 error or 0 ok	* return: -1 error or 0 ok
*/	*/
inline int	int
ioRestoreMode(int fd, struct termios tio)	ioRestoreMode(int fd, struct termios tio)
{	{
if (tcsetattr(fd, TCSADRAIN, &tio) == -1) {	if (tcsetattr(fd, TCSADRAIN, &tio) == -1) {
Line 297 ioRestoreMode(int fd, struct termios tio)	Line 297 ioRestoreMode(int fd, struct termios tio)
}	}

/*	/*
* ioForkPTY() Fork new process with session leader and new TTY	* ioForkPTY() - Fork new process with session leader and new TTY
*	*
* @ptyfd = master fd, pty	* @ptyfd = master fd, pty
* @name = tty device name if not null	* @name = tty device name if not null

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Removed from v.1.3
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	Added in v.1.7