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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
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<head>
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<title>luaposix 33.3.0 Reference</title>
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<link rel="stylesheet" href="../ldoc.css" type="text/css" />
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</head>
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<body>
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<big></big>
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luaposix 33.3.0
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Index
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Contents
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Functions
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Modules
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posix
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posix.ctype
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posix.curses
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posix.dirent
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posix.errno
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posix.fcntl
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posix.fnmatch
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posix.getopt
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posix.glob
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posix.grp
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posix.libgen
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posix.poll
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posix.pwd
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posix.sched
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posix.signal
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posix.stdio
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posix.stdlib
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posix.sys.msg
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posix.sys.resource
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posix.sys.socket
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posix.sys.stat
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posix.sys.statvfs
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posix.sys.time
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posix.sys.times
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posix.sys.utsname
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posix.sys.wait
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posix.syslog
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posix.termio
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posix.time
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posix.unistd
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posix.utime
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Classes
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posix.curses.chstr
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posix.curses.window
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Examples
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curses.lua
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dir.lua
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fork.lua
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fork2.lua
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getopt.lua
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glob.lua
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limit.lua
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lock.lua
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netlink-uevent.lua
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ping.lua
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poll.lua
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rt_sched.lua
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signal.lua
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socket.lua
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termios.lua
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tree.lua
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Module posix.poll
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Synchronous I/O Multiplexing.
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Examine file descriptors for events, such as readyness for I/O.
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poll (fds[, timeout=-1])
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Wait for events on multiple file descriptors.
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rpoll (fd[, timeout=-1])
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Wait for some event on a file descriptor.
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Functions
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poll (fds[, timeout=-1])
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Wait for events on multiple file descriptors.
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Parameters:
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fds
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table
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list of file descriptors
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timeout
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int
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maximum timeout in milliseconds, or -1 to block indefinitely
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(default -1)
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Returns:
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int
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0 if timed out, 1 if fd is ready
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Or
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nil
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string
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error message
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int
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errnum
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See also:
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poll(2)
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rpoll
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poll.lua
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rpoll (fd[, timeout=-1])
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Wait for some event on a file descriptor.
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Based on http://lua-users.org/lists/lua-l/2007-11/msg00346.html.
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Parameters:
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fd
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int
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file descriptor
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timeout
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int
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maximum timeout in milliseconds, or -1 to block indefinitely
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(default -1)
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Returns:
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int
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0 if timed out, 1 if fd is ready
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Or
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nil
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error message
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int
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errnum
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See also:
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Usage:
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fh = io.open "one"
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while true do
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r = rpoll (fh, 500)
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if r == 0 then
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print 'timeout'
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elseif r == 1 then
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print (fh:read ())
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else
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print "finish!"
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break
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end
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end
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generated by LDoc 1.4.3
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Last updated 2015-03-01 09:06:02
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</body>
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</html>
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