Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/tty/ttyControl.c File Reference

#include <kernel.h>
#include <device.h>
#include <tty.h>

Include dependency graph for ttyControl.c:

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Functions
devcall	ttyControl (device *pdev, uchar func, uchar arg1, uchar arg2)

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Detailed Description

ttyControl

Id

ttyControl.c 241 2007-07-13 22:24:20Z agember

Definition in file ttyControl.c.

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Function Documentation

devcall ttyControl	(	device *	pdev,
		uchar	func,
		uchar	arg1,
		uchar	arg2
	)

Control function for TTY pseudo devices.

Parameters:

	pdev	TTY device table entry
	func	control function to execute
	arg1	first argument for the control function
	args	second argument for the control function

Returns:

the result of the control function

Definition at line 21 of file ttyControl.c.

References ASSERT, dentry::controlblk, dentry::getc, tty::icount, tty::iflags, tty::inbuf, tty::istart, NULL, tty::oflags, tty::state, SYSERR, TTY_IFLAG_CBREAK, TTY_IFLAG_EOF, TTY_IOC_CBREAK, TTY_IOC_CLRIFLAG, TTY_IOC_CLROFLAG, TTY_IOC_EOF, TTY_IOC_GETIFLAG, TTY_IOC_GETOFLAG, TTY_IOC_NEXTC, TTY_IOC_SETIFLAG, TTY_IOC_SETOFLAG, tty::tty_phw, and TTY_STATE_ALLOC.