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24 lines
612 B
Groff
24 lines
612 B
Groff
.TH io_tryreadtimeout 3
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.SH NAME
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io_tryreadtimeout \- read from a descriptor without blocking
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.SH SYNTAX
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.B #include <io.h>
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int \fBio_tryreadtimeout\fP(int64 fd,char* buf,int64 len);
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.SH DESCRIPTION
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io_tryreadtimeout is identical to io_tryread, with the following
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exception: if
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.RS 0
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.IP \[bu] 3
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io_tryread returns -1 (the descriptor is not ready for reading), and
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.IP \[bu]
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the descriptor has a timeout, and
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.IP \[bu]
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the read attempt was after the descriptor's timeout,
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.RE
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then io_tryreadtimeout instead returns -2, with errno set to ETIMEDOUT.
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.SH "SEE ALSO"
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io_nonblock(3), io_waitread(3), io_tryread(3)
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