mod_admin_telnet: Soft-reqire util.pposix for server:memory()

diff --git a/plugins/mod_admin_telnet.lua b/plugins/mod_admin_telnet.lua
index a17b1c57856cf263c3c9be0f07151aa9b585a2f4..660fb33b2bfff071a2a4a6501089a0e200bb77ca 100644 (file)
--- a/plugins/mod_admin_telnet.lua
+++ b/plugins/mod_admin_telnet.lua
@@ -27,6 +27,7 @@ local set, array = require "util.set", require "util.array";
 local cert_verify_identity = require "util.x509".verify_identity;
 local envload = require "util.envload".envload;
 local envloadfile = require "util.envload".envloadfile;
+local has_pposix, pposix = pcall(require, "util.pposix");
 
 local commands = module:shared("commands")
 local def_env = module:shared("env");
@@ -322,7 +323,7 @@ local function human(kb)
 end
 
 function def_env.server:memory()
-       if not pposix.meminfo then
+       if not has_pposix or not pposix.meminfo then
                return true, "Lua is using "..collectgarbage("count");
        end
        local mem, lua_mem = pposix.meminfo(), collectgarbage("count");