import winsup-2000-02-17 snapshot

winsup/cygwin/dll_init.h

@@ -0,0 +1,102 @@
+/* dll_init.h
+
+   Copyright 1998 Cygnus Solutions
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+//-----------------------------------------------------------------------------
+// list of loaded DLL (used by fork & init)
+class DllList
+{
+public:
+  static DllList& the ();
+
+  // return dll index used for freeDll
+  int recordDll (HMODULE, per_process*);
+  void detachDll (int dll_index);
+
+  // called after initialization of main module in dll_crt0
+  void initAll ();
+
+  // global destructors of loaded dlls
+  void doGlobalDestructorsOfDlls ();
+
+  // number of dlls dlopened
+  int numberOfOpenedDlls ();
+
+  // boolean to determine if forked process must reload dlls opened with
+  // LoadLibrary or dlopen ...
+  // default = 0 (FALSE)
+  int forkeeMustReloadDlls ();
+  void forkeeMustReloadDlls (int);
+
+  void forkeeLoadDlls ();
+
+  // set name of current library opened with dlopen
+  void currentDlOpenedLib (const char*);
+};
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+
+class DllListIterator
+{
+  int _type;
+  int _index;
+
+protected:
+  DllListIterator (int type);
+  int index () const { return _index; }
+
+public:
+  virtual ~DllListIterator();
+
+  int ok() { return _index!=-1; }
+  void operator++ ();
+  void operator++ (int) { operator++ (); }
+  operator per_process* ();
+};
+
+//-----------------------------------------------------------------------------
+
+class LinkedDllIterator : public DllListIterator
+{
+public:
+  LinkedDllIterator ();
+  ~LinkedDllIterator ();
+};
+
+//-----------------------------------------------------------------------------
+
+class LoadedDllIterator : public DllListIterator
+{
+public:
+  LoadedDllIterator ();
+  ~LoadedDllIterator ();
+};
+
+//-----------------------------------------------------------------------------
+
+#define DO_LINKED_DLL(var)						      \
+{									      \
+LinkedDllIterator iterator;						      \
+while (iterator.ok ())							      \
+{									      \
+  per_process *var = (per_process *) iterator;
+
+#define DO_LOADED_DLL(var)						      \
+{									      \
+LoadedDllIterator iterator;						      \
+while (iterator.ok ())							      \
+{									      \
+  per_process *var = (per_process *) iterator;
+
+#define DLL_DONE							      \
+  iterator++;								      \
+}									      \
+}
+