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.TH "N_HDLC_TTY_POLL" "9" "09 October 2005" "" ""

.SH NAME
n_hdlc_tty_poll \- TTY callback for poll system call
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
unsigned int n_hdlc_tty_poll  (struct tty_struct * \fItty\fB, struct file * \fIfilp\fB, poll_table * \fIwait\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fItty\fB\fR
-- undescribed --
.TP
\fB\fIfilp\fB\fR
-- undescribed --
.TP
\fB\fIwait\fB\fR
-- undescribed --
.SH "DESCRIPTION"
.PP
\fItty\fR - pointer to tty instance data
\fIfilp\fR - pointer to open file object for device
\fIpoll_table\fR - wait queue for operations
.PP
Determine which operations (read/write) will not block and return info
to caller.
Returns a bit mask containing info on which ops will not block.