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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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<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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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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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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signal.lua
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local sig = require "posix.signal"
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local unistd = require "posix.unistd"
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local syswait = require "posix.sys.wait"
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local function go (fn, ...)
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local cpid = unistd.fork ()
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if cpid == 0 then
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unistd._exit (fn (...) or 0)
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else
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return cpid
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end
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end
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local verbose = #arg > 0
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local function sleepx (secs)
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while true do
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secs = unistd.sleep (secs)
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if verbose then print ("sleep", secs) end
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if secs == 0 then return end
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end
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end
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local nchild, nsig = 0, 0
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sig.signal (sig.SIGCHLD, function()
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local pid, status, code = syswait.wait (-1, syswait.WNOHANG)
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while pid do
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if pid ~= 0 then
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if verbose then print ("wait", pid, status, code) end
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nchild = nchild + 1
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end
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pid, status, code = syswait.wait (-1, syswait.WNOHANG)
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end
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end)
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local function handler (signo)
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if verbose then print ("handled", signo) end
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nsig = nsig + 1
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end
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sig.signal (sig.SIGUSR1, handler)
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sig.signal (sig.SIGUSR2, handler)
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sig.signal (60, handler)
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local function killp (nsig)
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return sig.kill (unistd.getppid (), nsig)
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end
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c1 = go (function() unistd.sleep (1); killp (sig.SIGUSR1); killp (sig.SIGUSR2) end)
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c2 = go (function() unistd.sleep (2); killp (sig.SIGUSR2); end)
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c3 = go (function() unistd.sleep (2); killp (sig.SIGUSR1) end)
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sleepx(3)
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if verbose then
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print ("children", nchild, "signals", nsig)
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else
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assert (nchild == 3)
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assert (nsig == 4)
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print '+++ tests OK +++'
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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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