5 files changed, 29 insertions, 18 deletions

diff --git a/README.md b/README.md
index 3e2661a..2ca6f36 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ lua-llthreads2
 This is full dropin replacement for [llthreads](https://github.com/Neopallium/lua-llthreads) library.
 
 ##Incompatibility list with origin llthreads library
+* does not support Lua 5.0
 * does not support ffi interface (use Lua C API for LuaJIT)
 * returns nil instead of false on error
 * start method returns self instead of true on success
diff --git a/msvc/llthreads.vcproj b/msvc/llthreads.vcproj
index 7b2a0e2..6f6c5bd 100644
--- a/msvc/llthreads.vcproj
+++ b/msvc/llthreads.vcproj
@@ -41,7 +41,7 @@
                         <Tool
                                 Name="VCCLCompilerTool"
                                 Optimization="0"
-                                AdditionalIncludeDirectories="$(LUA_DIR)\include"
+                                AdditionalIncludeDirectories="$(LUA_DIR_5_2)\include"
                                 PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;LLTHREADS_EXPORTS"
                                 MinimalRebuild="true"
                                 BasicRuntimeChecks="3"
@@ -62,9 +62,9 @@
                         <Tool
                                 Name="VCLinkerTool"
                                 AdditionalOptions="/EXPORT:luaopen_llthreads"
-                                AdditionalDependencies="lua5.1.lib"
+                                AdditionalDependencies="lua52.lib"
                                 LinkIncremental="2"
-                                AdditionalLibraryDirectories="$(LUA_DIR)\lib"
+                                AdditionalLibraryDirectories="$(LUA_DIR_5_2)\lib"
                                 GenerateDebugInformation="true"
                                 SubSystem="2"
                                 TargetMachine="1"
@@ -118,7 +118,7 @@
                                 Name="VCCLCompilerTool"
                                 Optimization="2"
                                 EnableIntrinsicFunctions="true"
-                                AdditionalIncludeDirectories="$(LUA_DIR)\include"
+                                AdditionalIncludeDirectories="$(LUA_DIR_5_2)\include"
                                 PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;LLTHREADS_EXPORTS"
                                 RuntimeLibrary="2"
                                 EnableFunctionLevelLinking="true"
@@ -137,9 +137,9 @@
                         />
                         <Tool
                                 Name="VCLinkerTool"
-                                AdditionalDependencies="lua5.1.lib"
+                                AdditionalDependencies="lua52.lib"
                                 LinkIncremental="1"
-                                AdditionalLibraryDirectories="$(LUA_DIR)\lib"
+                                AdditionalLibraryDirectories="$(LUA_DIR_5_2)\lib"
                                 GenerateDebugInformation="true"
                                 SubSystem="2"
                                 OptimizeReferences="2"
diff --git a/src/l52util.c b/src/l52util.c
index 592c1d1..0b40c3e 100644
--- a/src/l52util.c
+++ b/src/l52util.c
@@ -43,6 +43,11 @@ void lua_rawsetp (lua_State *L, int index, const void *p){
   lua_rawset(L, index);
 }
 
+void lutil_require(lua_State *L, const char* name, lua_CFunction fn, int glb) {
+  // @fixme generate error if we can not load module
+  lua_cpcall(L, fn, NULL);
+}
+
 #endif
 
 int lutil_newmetatablep (lua_State *L, const void *p) {
diff --git a/src/l52util.h b/src/l52util.h
index f4f0497..94f1bfa 100644
--- a/src/l52util.h
+++ b/src/l52util.h
@@ -18,6 +18,9 @@ int   luaL_typerror (lua_State *L, int narg, const char *tname);
 
 void luaL_register (lua_State *L, const char *libname, const luaL_Reg *l);
 
+
+#define lutil_require luaL_requiref
+
 #else                      // lua 5.1
 
 // functions form lua 5.2
@@ -29,6 +32,8 @@ void  lua_rawgetp   (lua_State *L, int index, const void *p);
 void  lua_rawsetp   (lua_State *L, int index, const void *p);
 void  luaL_setfuncs  (lua_State *L, const luaL_Reg *l, int nup);
 
+void lutil_require(lua_State *L, const char* name, lua_CFunction fn, int glb);
+
 #endif
 
 int   lutil_newmetatablep (lua_State *L, const void *p);
diff --git a/src/llthread.c b/src/llthread.c
index 6cb437b..0449ea9 100644
--- a/src/llthread.c
+++ b/src/llthread.c
@@ -308,26 +308,26 @@ typedef struct llthread_t {
 
 static void open_thread_libs(lua_State *L){
 #ifdef LLTHREAD_REGISTER_STD_LIBRARY
-#  define L_REGLIB(L, name) lua_pushcfunction(L, luaopen_##name); lua_setfield(L, -2, #name)
+#  define L_REGLIB(L, name, G) lua_pushcfunction(L, luaopen_##name); lua_setfield(L, -2, #name)
 #else
-#  define L_REGLIB(L, name) lua_cpcall(L, luaopen_##name, 0)
+#  define L_REGLIB(L, name, G) lutil_require(L, #name, luaopen_##name, G)
 #endif
 
   int top = lua_gettop(L);
-  lua_cpcall(L, luaopen_base,    0);
-  lua_cpcall(L, luaopen_package, 0);
+  lutil_require(L, "_G",      luaopen_base,    1);
+  lutil_require(L, "package", luaopen_package, 1);
   lua_settop(L, top);
 
   /* get package.preload */
   lua_getglobal(L, "package"); lua_getfield(L, -1, "preload"); lua_remove(L, -2);
 
-  L_REGLIB(L, io        );
-  L_REGLIB(L, os        );
-  L_REGLIB(L, math      );
-  L_REGLIB(L, table     );
-  L_REGLIB(L, debug     );
-  L_REGLIB(L, string    );
-  L_REGLIB(L, llthreads );
+  L_REGLIB(L, io,        1);
+  L_REGLIB(L, os,        1);
+  L_REGLIB(L, math,      1);
+  L_REGLIB(L, table,     1);
+  L_REGLIB(L, debug,     1);
+  L_REGLIB(L, string,    1);
+  L_REGLIB(L, llthreads, 0);
 
   lua_settop(L, top);
 #undef L_REGLIB
@@ -446,7 +446,7 @@ static int llthread_start(llthread_t *this, int start_detached) {
 #ifndef USE_PTHREAD
   this->thread = (HANDLE)_beginthreadex(NULL, 0, llthread_child_thread_run, child, 0, NULL);
   if(INVALID_THREAD == this->thread){
-    rc = -1
+    rc = -1;
   }
 #else
   rc = pthread_create(&(this->thread), NULL, llthread_child_thread_run, child);