Software /
code /
prosody
File
plugins/mod_posix.lua @ 11395:d336b28b4002
mod_http_errors: Style tweak
Weird to have the background all the way to the edge of the viewport.
Would be nice if this could be done without the extra span.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 21 Feb 2021 07:59:17 +0100 |
parent | 11179:96da09c771a1 |
child | 11830:7fe2fbfbdb1c |
line wrap: on
line source
-- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local want_pposix_version = "0.4.0"; local pposix = assert(require "util.pposix"); if pposix._VERSION ~= want_pposix_version then module:log("warn", "Unknown version (%s) of binary pposix module, expected %s." .. "Perhaps you need to recompile?", tostring(pposix._VERSION), want_pposix_version); end local have_signal, signal = pcall(require, "util.signal"); if not have_signal then module:log("warn", "Couldn't load signal library, won't respond to SIGTERM"); end local lfs = require "lfs"; local stat = lfs.attributes; local prosody = _G.prosody; module:set_global(); -- we're a global module local umask = module:get_option_string("umask", "027"); pposix.umask(umask); -- Don't even think about it! if not prosody.start_time then -- server-starting if pposix.getuid() == 0 and not module:get_option_boolean("run_as_root") then module:log("error", "Danger, Will Robinson! Prosody doesn't need to be run as root, so don't do it!"); module:log("error", "For more information on running Prosody as root, see https://prosody.im/doc/root"); prosody.shutdown("Refusing to run as root"); end end local pidfile; local pidfile_handle; local function remove_pidfile() if pidfile_handle then pidfile_handle:close(); os.remove(pidfile); pidfile, pidfile_handle = nil, nil; end end local function write_pidfile() if pidfile_handle then remove_pidfile(); end pidfile = module:get_option_path("pidfile", nil, "data"); if pidfile then local err; local mode = stat(pidfile) and "r+" or "w+"; pidfile_handle, err = io.open(pidfile, mode); if not pidfile_handle then module:log("error", "Couldn't write pidfile at %s; %s", pidfile, err); prosody.shutdown("Couldn't write pidfile"); else if not lfs.lock(pidfile_handle, "w") then -- Exclusive lock local other_pid = pidfile_handle:read("*a"); module:log("error", "Another Prosody instance seems to be running with PID %s, quitting", other_pid); pidfile_handle = nil; prosody.shutdown("Prosody already running"); else pidfile_handle:close(); pidfile_handle, err = io.open(pidfile, "w+"); if not pidfile_handle then module:log("error", "Couldn't write pidfile at %s; %s", pidfile, err); prosody.shutdown("Couldn't write pidfile"); else if lfs.lock(pidfile_handle, "w") then pidfile_handle:write(tostring(pposix.getpid())); pidfile_handle:flush(); end end end end end end local daemonize = prosody.opts.daemonize; if daemonize == nil then -- Fall back to config file if not specified on command-line daemonize = module:get_option_boolean("daemonize", nil); if daemonize ~= nil then module:log("warn", "The 'daemonize' option has been deprecated, specify -D or -F on the command line instead."); -- TODO: Write some docs and include a link in the warning. end end local function remove_log_sinks() local lm = require "core.loggingmanager"; lm.register_sink_type("console", nil); lm.register_sink_type("stdout", nil); lm.reload_logging(); end if daemonize then local function daemonize_server() module:log("info", "Prosody is about to detach from the console, disabling further console output"); remove_log_sinks(); local ok, ret = pposix.daemonize(); if not ok then module:log("error", "Failed to daemonize: %s", ret); elseif ret and ret > 0 then os.exit(0); else module:log("info", "Successfully daemonized to PID %d", pposix.getpid()); write_pidfile(); end end module:hook("server-started", daemonize_server) else -- Not going to daemonize, so write the pid of this process write_pidfile(); end module:hook("server-stopped", remove_pidfile); -- Set signal handlers if have_signal then module:add_timer(0, function () signal.signal("SIGTERM", function () module:log("warn", "Received SIGTERM"); prosody.unlock_globals(); prosody.shutdown("Received SIGTERM"); prosody.lock_globals(); end); signal.signal("SIGHUP", function () module:log("info", "Received SIGHUP"); prosody.reload_config(); -- this also reloads logging end); signal.signal("SIGINT", function () module:log("info", "Received SIGINT"); prosody.unlock_globals(); prosody.shutdown("Received SIGINT"); prosody.lock_globals(); end); signal.signal("SIGUSR1", function () module:log("info", "Received SIGUSR1"); module:fire_event("signal/SIGUSR1"); end); signal.signal("SIGUSR2", function () module:log("info", "Received SIGUSR2"); module:fire_event("signal/SIGUSR2"); end); end); end -- For other modules to reference features = { signal_events = true; };