table of contents
| io_tryreadtimeout(3) | Library Functions Manual | io_tryreadtimeout(3) |
NAME¶
io_tryreadtimeout - read from a descriptor without blocking
SYNTAX¶
#include <libowfat/io.h>
int io_tryreadtimeout(int64 fd,char* buf,int64 len);
DESCRIPTION¶
io_tryreadtimeout is identical to io_tryread, with the following exception: if
- •
- io_tryread returns -1 (the descriptor is not ready for reading), and
- •
- the descriptor has a timeout, and
- •
- the read attempt was after the descriptor's timeout,
then io_tryreadtimeout instead returns -2, with errno set to ETIMEDOUT.