LoadPlugin: On Unix use RTLD_NOLOAD to check if library is already lo…

…aded
Villavu · Sep 26, 2023 · 16e32ac · 16e32ac
1 parent 87fe930
commit 16e32ac
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/Source/script/simba.script_pluginloader.pas b/Source/script/simba.script_pluginloader.pas
@@ -12,13 +12,22 @@ function LoadPlugin(FileName: String; ExtraSearchDirs: TStringArray = nil): TLib
 implementation
 
 uses
-  simba.mufasatypes, simba.env;
+  simba.mufasatypes, simba.env
+  {$IFDEF UNIX},
+  dl
+  {$ENDIF};
 
 function LoadPlugin(FileName: String; ExtraSearchDirs: TStringArray): TLibHandle;
 begin
   if (not FindPlugin(FileName, ExtraSearchDirs)) then
     raise Exception.CreateFmt('Unable to find plugin "%s"', [FileName]);
 
+  {$IFDEF UNIX}
+  Result := TLibHandle(dlopen(PChar(FileName), RTLD_NOLOAD));
+  if (Result <> NilHandle) then
+    Exit;
+  {$ENDIF}
+
   Result := LoadLibrary(FileName);
 
   if (Result = NilHandle) then