Added nuklear example. Demo isnt quite right. its a huge example.

examples/libuv/test.lua

@@ -0,0 +1,86 @@
+
+package.path = package.path..";lua/?.lua;lua/?/init.lua"
+package.path = package.path..";ffi/?.lua;ffi/?/init.lua"
+package.path = package.path..";deps/?.lua;deps/?/init.lua"
+
+-----------------------------------------------------------------------------------------------
+local ffi = require 'ffi'
+local ffiext = require 'ffi-extensions'
+
+local p = require 'pretty-print-ffi'.prettyPrint
+local loop = require 'uv-ffi'
+
+local function makeHeader(datalen)
+
+   local dt = os.date("%a, %d %b %Y %X GMT")
+
+   local data = "HTTP/1.1 200 OK\r\n"..
+               "Date: "..dt.."\r\n"..
+               "Server: Apache/2.4.29 (Ubuntu)\r\n"..
+               "Cache-Control: max-age=604800\r\n"..
+               "Pragma: no-cache\r\n"..
+               "Content-Encoding: none\r\n"..
+               "Content-Length: "..datalen.."\r\n"..
+               "Connection: Close\r\n"..
+               "Content-Type: text/html;charset=UTF-8\r\n\r\n"
+   return data
+end
+
+-- require 'safe-coro'(function ()
+--   local timer = loop:newTimer()
+--   p("About to sleep", timer)
+--   timer:sleep(1000)
+--   p("Done sleeping!", timer)
+--   timer:close()    
+-- end)
+
+local function alloc_buffer(handle, suggested_size) 
+   return loop.uv.uv_buf_init( ffi.new("char[?]", suggested_size), suggested_size)
+end
+ 
+local function echo_write(req, status)
+   if status == -1 then 
+      p("Write error!")
+   end
+   p("Request:", req)
+end
+ 
+local function echo_read(client, nread, buf) 
+   if nread == -1 then 
+     p("Read error!");
+     loop.uv.uv_close(ffi.cast("uv_handle_t*",client), nil)
+     return
+   end
+ 
+   local write_req = ffi.new("uv_write_t[1]")
+   local data = ffi.new ("uv_buf_t[1]")
+   
+   local resp = "<h1>HELLOOOOO</h1>\r\n"
+   local hdr = makeHeader(#resp)
+   hdr = hdr..resp
+
+   data[0].base = ffi.cast("char *", hdr)
+   data[0].len = #hdr
+
+   loop.uv.uv_write(write_req, client, data, 1, echo_write)
+end
+
+function on_new_connect( server, status )
+
+   client = ffi.new("uv_tcp_t[1]")
+   loop.uv.uv_tcp_init(loop, client)
+   -- Start accepting the request
+   if loop.uv.uv_accept(server, ffi.cast("uv_stream_t*", client)) == 0 then 
+      -- Valid accept then start reading stream
+      loop.uv.uv_read_start(ffi.cast("uv_stream_t*", client), alloc_buffer, echo_read)
+   else 
+      -- Bad request or connection closed
+      loop.uv.uv_close(ffi.cast("uv_handle_t*",client), nil)
+   end
+end 
+
+local server = loop:newTcp()
+local res = loop:bind(server, "0.0.0.0", 7000)
+runcb = server:listen( 128, on_new_connect )
+if runcb == nil then p("Couldnt create server."); return end
+loop:run('default')

examples/libuv/threads.lua

@@ -0,0 +1,55 @@
+
+package.path = package.path..";lua/?.lua;lua/?/init.lua"
+package.path = package.path..";ffi/?.lua;ffi/?/init.lua"
+package.path = package.path..";deps/?.lua;deps/?/init.lua"
+
+-----------------------------------------------------------------------------------------------
+local ffi = require 'ffi'
+local ffiext = require 'ffi-extensions'
+local kern = ffiext.kern
+
+local p = require 'pretty-print-ffi'.prettyPrint
+local loop = require 'uv-ffi'
+
+-----------------------------------------------------------------------------------------------
+
+function hare(arg) 
+    local tracklen = arg[0]
+    while (tracklen) do
+      tracklen = tracklen - 1
+      kern.Sleep(100)
+      p("Hare ran another step.")
+    end
+end
+  
+-----------------------------------------------------------------------------------------------
+function tortoise(arg) 
+    local tracklen = arg[0]
+    while (tracklen) do
+      tracklen = tracklen - 1
+      kern.Sleep(500)
+      p("Tortise ran another step.")
+    end
+end 
+  
+-----------------------------------------------------------------------------------------------
+
+local tracklen1 = ffi.new("int[1]", 10)
+local tracklen2 = ffi.new("int[1]", 10)
+
+local hare_id = ffi.new("uv_thread_t[1]")
+local tortoise_id = ffi.new("uv_thread_t[1]")
+
+local id1 = loop.uv.uv_thread_create(hare_id, hare, tracklen1)
+local id2 = loop.uv.uv_thread_create(tortoise_id, tortoise, tracklen2)
+p("Res:", id1)
+p("Res:", id2)
+
+while tracklen2[0] > 0 do
+    kern.Sleep(50)
+end
+
+loop.uv.uv_thread_join(hare_id)
+loop.uv.uv_thread_join(tortoise_id)
+
+-----------------------------------------------------------------------------------------------

examples/samples/cimgui_sapp.lua

@@ -4,7 +4,7 @@ package.path    = package.path..";../?.lua"
 
 --_G.SOKOL_DLL    = "sokol_debug_dll"
 local sapp      = require("sokol_app")
-local sg        = require("sokol_imgui") -- Includes gfx!!
+sg              = require("sokol_imgui") -- Includes gfx!!
 local im = sg -- Will NOT be using imgui in applications. Sample only. Dont recommend.
 local slib      = require("sokol_libs") -- Warn - always after gfx!!
 

ffi/sokol/hmm_utils.lua

@@ -1,4 +1,4 @@
-local sg        = _G.sg
+local sg        = _G.sg or require("sokol_gfx")
 
 local hmm_utils = {}