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#!/bin/sh
_=[[
. "${0%%/*}/regress.sh"
exec runlua -t -j- "$0" "$@"
]]
require"regress".export".*"
check(jit, "LuaJIT required")
check(errno.EOWNERDEAD, "EOWNERDEAD not defined")
local thr, con = assert(thread.start(function (con)
local errno = require"cqueues.errno"
local ffi = require"ffi"
require"regress".export".*"
--
-- NOTE: On musl-libc the parent process deadlocks on flockfile as
-- apparently the thread dies when writing to stderr. Log to our
-- communications socket instead, which doesn't hold any locks.
--
local function info(...)
con:write(string.format(...), "\n")
con:flush()
end
info"calling prctl(PR_SET_SECCOMP, SECCOMP_MODE_STRICT)"
local PR_SET_SECCOMP = 22
local SECCOMP_MODE_STRICT = 1
ffi.cdef"int prctl(int, unsigned long, unsigned long, unsigned long, unsigned long)"
local ok, rv = pcall(function () return ffi.C.prctl(PR_SET_SECCOMP, SECCOMP_MODE_STRICT, 0, 0, 0) end)
if not ok then
local rv = string.match(rv, "[^:]+:[^:]+$") or rv
info("prctl call failed: %s", rv)
elseif rv ~= 0 then
info("prctl call failed: %s", errno.strerror(ffi.errno()))
else
info"attempting to open /nonexistant"
io.open"/nonexistant" -- should cause us to be killed
info"prctl call failed: still able to open files"
end
info"calling pthread_exit"
ffi.cdef"void pthread_exit(void *);"
ffi.C.pthread_exit(nil)
info"pthread_exit call failed: thread still running"
end))
local main = check(cqueues.new())
-- read thread's log lines from pcall because socket:read will throw an
-- error when the socket is closed asynchronously below.
check(main:wrap(pcall, function ()
for ln in con:lines() do
info("%s", ln)
end
end))
check(main:wrap(function ()
local ok, why, code = auxlib.fileresult(thr:join(5))
check(not ok, "thread unexpectedly joined (%s)", why or "no error")
check(code == errno.EOWNERDEAD or code == errno.ETIMEDOUT, "unexpected error: %s", why)
check(code == errno.EOWNERDEAD, "robust mutex strategy not supported on this system")
con:close()
end))
check(main:loop())
say"OK"
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