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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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<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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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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437b5e |
netlink-uevent.lua
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ping.lua
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437b5e |
poll.lua
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437b5e |
rt_sched.lua
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signal.lua
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socket.lua
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437b5e |
termios.lua
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tree.lua
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Module posix.signal
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Software Signal Facilities.
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Constants and functions for propagating signals among processes.
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Note that posix.signal.signal is implemented with sigaction(2) for
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consistent semantics across platforms.
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kill (pid, opt)
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Send a signal to the given process.
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killpg (pgrp[, sig=`SIGTERM`])
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Send a signal to the given process group.
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raise (sig)
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Raise a signal on this process.
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signal (signum[, handler=SIG_DFL[, flags]])
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Install a signal handler for this signal number.
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posix.signal
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Signal constants.
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Functions
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kill (pid, opt)
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Send a signal to the given process.
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Parameters:
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pid
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int
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process to act on
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opt
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int
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=SIGTERM sig signal to send
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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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kill(2)
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killpg (pgrp[, sig=`SIGTERM`])
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Send a signal to the given process group.
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Parameters:
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pgrp
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int
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group id to act on, or 0 for the sending process`s group
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sig
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int
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signal to send
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(default `SIGTERM`)
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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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killpg(2)
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raise (sig)
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Raise a signal on this process.
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Parameters:
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sig
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int
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signal to send
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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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raise(3)
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signal (signum[, handler=SIG_DFL[, flags]])
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Install a signal handler for this signal number.
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Although this is the same API as signal(2), it uses sigaction for guaranteed semantics.
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Parameters:
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signum
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int
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handler
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function
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function, or SIG_IGN or SIG_DFL constants
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(default SIG_DFL)
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flags
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the sa_flags element of struct sigaction
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(optional)
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Returns:
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function
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previous handler function
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See also:
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signal.lua
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437b5e |
sigaction(2)
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Constants
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posix.signal
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Signal 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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SIGABRT
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437b5e |
int
|
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437b5e |
abort ()
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437b5e |
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437b5e |
SIGALRM
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437b5e |
int
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437b5e |
alarm clock
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437b5e |
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437b5e |
SIGBUS
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437b5e |
int
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437b5e |
bus error
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437b5e |
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437b5e |
SIGCHLD
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437b5e |
int
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437b5e |
to parent on child stop or exit
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437b5e |
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437b5e |
SIGCONT
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437b5e |
int
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437b5e |
continue a stopped process
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437b5e |
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437b5e |
SIGFPE
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437b5e |
int
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floating point error
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437b5e |
SIGHUP
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437b5e |
int
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437b5e |
hangup
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437b5e |
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437b5e |
SIGILL
|
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437b5e |
int
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illegal instruction
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437b5e |
SIGINT
|
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437b5e |
int
|
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437b5e |
interrupt
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437b5e |
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437b5e |
SIGKILL
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437b5e |
int
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437b5e |
kill
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437b5e |
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437b5e |
SIGPIPE
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437b5e |
int
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437b5e |
write on pipe with no reader
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437b5e |
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437b5e |
SIGQUIT
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437b5e |
int
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quit
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SIGSEGV
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int
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segmentation violation
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SIGSTOP
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int
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stop
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SIGTERM
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int
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terminate
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SIGTSTP
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int
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stop signal from tty
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SIGTTIN
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int
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to readers process group on background tty read
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SIGTTOU
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int
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to readers process group on background tty output
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SIGUSR1
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int
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user defined
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SIGUSR2
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int
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user defined
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SIGSYS
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int
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bad argument to system call
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SIGTRAP
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int
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trace trap
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|
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SIGURG
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int
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|
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urgent condition on i/o channel
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SIGVTALRM
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int
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virtual time alarm
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SIGXCPU
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int
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|
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437b5e |
exceeded cpu time limit
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|
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SIGXFSZ
|
|
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int
|
|
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437b5e |
exceeded file size limit
|
|
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437b5e |
|
|
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SA_NOCLDSTOP
|
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int
|
|
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do not generate a SIGCHLD on child stop
|
|
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|
|
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SA_NOCLDWAIT
|
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int
|
|
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don't keep zombies child processes
|
|
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|
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SA_RESETHAND
|
|
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int
|
|
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reset to SIG_DFL when taking a signal
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|
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|
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SA_NODEFER
|
|
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int
|
|
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don't mask the signal we're delivering
|
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Usage:
|
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|
|
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for name, value in pairs (require "posix.signal") 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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