Annotate

util/gc.lua @ 11328:ceaa3cebf28b

mod_http_file_share: Add support for removing old files (default 2 weeks)
author Kim Alvefur <zash@zash.se>
date Wed, 27 Jan 2021 22:09:26 +0100
parent 10935:2d57c49bfa12
child 11431:4874b54af344
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10933
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local set = require "util.set";
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local known_options = {
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 incremental = set.new { "mode", "threshold", "speed", "step_size" };
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 generational = set.new { "mode", "minor_threshold", "major_threshold" };
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 };
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 if _VERSION ~= "5.4" then
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 known_options.generational = nil;
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 known_options.incremental:remove("step_size");
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 end
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 local function configure(user, defaults)
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 local mode = user.mode or defaults.mode or "incremental";
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 if not known_options[mode] then
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 return nil, "GC mode not supported on ".._VERSION..": "..mode;
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 end
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 for k, v in pairs(user) do
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 if not known_options[mode]:contains(k) then
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 return nil, "Unknown GC parameter: "..k;
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 elseif k ~= "mode" and type(v) ~= "number" then
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 return nil, "parameter '"..k.."' should be a number";
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 end
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 end
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 if mode == "incremental" then
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 if _VERSION == "Lua 5.4" then
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 collectgarbage(mode,
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 user.threshold or defaults.threshold,
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 user.speed or defaults.speed,
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 user.step_size or defaults.step_size
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 );
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 else
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 collectgarbage("setpause", user.threshold or defaults.threshold);
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 collectgarbage("setstepmul", user.speed or defaults.speed);
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 end
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 elseif mode == "generational" then
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 collectgarbage(mode,
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 user.minor_threshold or defaults.minor_threshold,
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 user.major_threshold or defaults.major_threshold
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 );
10935
2d57c49bfa12 util.gc: Linter fixes [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 10933
diff changeset
43 end
10933
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 return true;
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 end
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 return {
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 configure = configure;
f59bc81245b3 util.gc: New module for configuring the Lua garbage collector
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 };