You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
.TH io_tryreadtimeout 3
|
|
|
|
|
.SH NAME
|
|
|
|
|
io_tryreadtimeout \- read from a descriptor without blocking
|
|
|
|
|
.SH SYNTAX
|
|
|
|
|
.B #include <libowfat/io.h>
|
|
|
|
|
|
|
|
|
|
int \fBio_tryreadtimeout\fP(int64 fd,char* buf,int64 len);
|
|
|
|
|
.SH DESCRIPTION
|
|
|
|
|
io_tryreadtimeout is identical to io_tryread, with the following
|
|
|
|
|
exception: if
|
|
|
|
|
|
|
|
|
|
.RS 0
|
|
|
|
|
.IP \[bu] 3
|
|
|
|
|
io_tryread returns -1 (the descriptor is not ready for reading), and
|
|
|
|
|
.IP \[bu]
|
|
|
|
|
the descriptor has a timeout, and
|
|
|
|
|
.IP \[bu]
|
|
|
|
|
the read attempt was after the descriptor's timeout,
|
|
|
|
|
.RE
|
|
|
|
|
|
|
|
|
|
then io_tryreadtimeout instead returns -2, with errno set to ETIMEDOUT.
|
|
|
|
|
.SH "SEE ALSO"
|
|
|
|
|
io_nonblock(3), io_waitread(3), io_tryread(3)
|
