lua-resty-signal - Lua library for killing or sending signals to Linux processes
Table of Contents
local resty_signal = require "resty.signal" local pid = 12345 local ok, err = resty_signal.kill(pid, "TERM") if not ok then ngx.log(ngx.ERR, "failed to kill process of pid ", pid, ": ", err) return end -- send the signal 0 to check the existence of a process local ok, err = resty_signal.kill(pid, "NONE") local ok, err = resty_signal.kill(pid, "HUP") local ok, err = resty_signal.kill(pid, "KILL")
ok, err = resty_signal.kill(pid, signal_name_or_num)
Sends a signal with its name string or number value to the process of the specified pid.
All signal names accepted by signum are supported, like
Signal numbers are also supported when specifying nonportable system-specific signals is desired.
num = resty_signal.signum(sig_name)
Maps the signal name specified to the system-specific signal number. Returns
nil if the signal name is not known.
All the POSIX signal names are supported:
HUP INT QUIT ILL TRAP ABRT BUS FPE KILL USR1 SEGV USR2 PIPE ALRM TERM CHLD CONT STOP TSTP TTIN TTOU URG XCPU XFSZ VTALRM PROF WINCH IO
The special signal name
NONE is also supported, which is mapped to zero (0).
Yichun Zhang (agentzh) email@example.com
Copyright & Licenses
This module is licensed under the BSD license.
Copyright (C) 2018-2019, OpenResty Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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