add new api skynet.task()

lualib/skynet.lua

@@ -583,6 +583,17 @@ function skynet.mqlen()
 	return tonumber(c.command "MQLEN")
 end
 
+function skynet.task(f)
+	local t = 0
+	for _,co in pairs(session_id_coroutine) do
+		if f then
+			f(debug.traceback(co))
+		end
+		t = t + 1
+	end
+	return t
+end
+
 -- Inject internal debug framework
 local debug = require "skynet.debug"
 debug(skynet)

lualib/skynet/debug.lua

@@ -21,9 +21,16 @@ end
 function dbgcmd.STAT()
 	local stat = {}
 	stat.mqlen = skynet.mqlen()
+	stat.task = skynet.task()
 	skynet.ret(skynet.pack(stat))
 end
 
+function dbgcmd.TASK()
+	local task = {}
+	skynet.task(function(info) table.insert(task, info) end)
+	skynet.ret(skynet.pack(task))
+end
+
 function dbgcmd.INFO()
 	if internal_info_func then
 		skynet.ret(skynet.pack(internal_info_func()))