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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
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