debian man page for io_close

Query: io_close

OS: debian

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

io_close(3)						     Library Functions Manual						       io_close(3)

NAME
io_close - close a file descriptor
SYNTAX
#include <io.h> void io_close(int64 fd);
DESCRIPTION
io_close eliminates the descriptor numbered fd. This usually does not mean eliminating the object that the descriptor is talking to. (For example, if a descriptor writes to a named disk file, closing the descriptor will not remove the file; it simply removes one way of writing to the file. On the other hand, a pipe disappears as soon as no descriptors refer to it.) io_close has no return value; it always succeeds in deallocating the memory used for the descriptor. If fd is not the number of a descrip- tor, io_close has no effect. io_close() is like close(), but it also removes the descriptor from the internal io_wait() data structures. If you called io_fd on a descriptor, you need to use io_close to close it, not just close().
SEE ALSO
io_wait(3), io_canwrite(3) io_close(3)
Related Man Pages
dup2(2) - bsd
io_canwrite(3) - debian
io_tryread(3) - debian
io_trywrite(3) - debian
close(2) - minix
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