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path: root/tests/test-sigaction.lua
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-- See LICENSE file for copyright and license details.
local os = require "os"
local l = require "luxio"
local io = require "io"

function MySigInfoCallback(signo, info)
   print("MySigInfoCallback!", signo, info)

   for k, v in pairs(info) do
      print(k, v)
   end
end

function MySIGTERMCallback(signo)
   print("SIGTERM received", signo)
   os.exit(os.EXIT_SUCCESS)
end

function MySIGUSR1Callback(signo)
   print("SIGUSR1 received, deregistering this callback now")
   sa = {["sa_handler"] = l.SIG_DFL, sa_flags = 0}

   r, origsa = l.sigaction(l.SIGUSR1, sa)
   if r == -1 then
      io.stderr:write(("sigaction: %s\n"):format(l.strerror(origsa)))
      os.exit(os.EXIT_FAILURE)
   end
end

sa = {["sa_sigaction"] = MySigInfoCallback, ["sa_flags"] = l.SA_SIGINFO}

r, origsa = l.sigaction(l.SIGINT, sa)
if r == -1 then
   io.stderr:write(("sigaction: %s\n"):format(l.strerror(origsa)))
   os.exit(os.EXIT_FAILURE)
end

sa = {["sa_handler"] = MySIGTERMCallback}

r, origsa = l.sigaction(l.SIGTERM, sa)
if r == -1 then
   io.stderr:write(("sigaction: %s\n"):format(l.strerror(origsa)))
   os.exit(os.EXIT_FAILURE)
end

sa = {["sa_handler"] = MySIGUSR1Callback}

r, origsa = l.sigaction(l.SIGUSR1, sa)
if r == -1 then
   io.stderr:write(("sigaction: %s\n"):format(l.strerror(origsa)))
   os.exit(os.EXIT_FAILURE)
end

sa = {["sa_handler"] = l.SIG_IGN}

r, origsa = l.sigaction(l.SIGUSR2, sa)
if r == -1 then
   io.stderr:write(("sigaction: %s\n"):format(l.strerror(origsa)))
   os.exit(os.EXIT_FAILURE)
end

for k, v in pairs(origsa) do
   print(k, v)
end

while (true) do
   print("sleep!")
   l.sleep(2)
end