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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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<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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Constants
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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.sched
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Kernel Thread Scheduling Priority.
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Where supported by the underlying system, functions to discover and
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change the kernel thread scheduling priority. If the module loads
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successfully, but there is no kernel support, then posix.sched.version
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will be set, but the unsupported APIs will be nil.
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sched_getscheduler ([pid=0])
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get scheduling policy
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sched_setscheduler ([pid=0[, policy=`SCHED_OTHER`[, priority=0]]])
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set scheduling policy/priority
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posix.sched
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Scheduler constants.
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Functions
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sched_getscheduler ([pid=0])
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get scheduling policy
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Parameters:
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pid
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int
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process to act on, or 0 for caller process
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(default 0)
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Returns:
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int
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scheduling policy SCHED_FIFO, SCHED_RR, SCHED_OTHER,
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if successful
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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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sched_getscheduler(2)
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sched_setscheduler ([pid=0[, policy=`SCHED_OTHER`[, priority=0]]])
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set scheduling policy/priority
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Parameters:
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pid
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int
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process to act on, or 0 for caller process
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(default 0)
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policy
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int
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one of SCHED_FIFO, SCHED_RR or
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SCHED_OTHER
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(default `SCHED_OTHER`)
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priority
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int
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must be 0 for SCHED_OTHER, or else a positive
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number below 100 for real-time policies
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(default 0)
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Returns:
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int
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0, if successful
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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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sched_setscheduler(2)
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Constants
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posix.sched
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Scheduler constants.
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Any constants not available in the underlying system will be nil valued.
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Fields:
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SCHED_FIFO
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int
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first-in, first-out scheduling policy
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SCHED_RR
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int
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round-robin scheduling policy
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SCHED_OTHER
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int
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another scheduling policy
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Usage:
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for name, value in pairs (require "posix.sched") do
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if type (value) == "number" then
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print (name, value)
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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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