io_block man page on Alpinelinux

io_block man page on Alpinelinux

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io_block(3)							   io_block(3)

NAME
       io_block - switch to blocking I/O

SYNTAX
       #include <io.h>

       void io_block(int64 fd);

DESCRIPTION
       io_block puts UNIX descriptor fd into ``blocking mode.''

       File  descriptors  are  normally	 in blocking mode, except if they come
       from accept() or io_accept() and the listening socket was in non-block‐
       ing mode.

SEE ALSO
       io_nonblock(3)

								   io_block(3)

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