summaryrefslogtreecommitdiff
path: root/win/inspircd_memory_functions.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'win/inspircd_memory_functions.cpp')
-rw-r--r--win/inspircd_memory_functions.cpp45
1 files changed, 44 insertions, 1 deletions
diff --git a/win/inspircd_memory_functions.cpp b/win/inspircd_memory_functions.cpp
index 29c37a42e..afff4287e 100644
--- a/win/inspircd_memory_functions.cpp
+++ b/win/inspircd_memory_functions.cpp
@@ -1 +1,44 @@
-/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd_win32wrapper.h" #include <exception> #include <new> #include <new.h> /** On windows, all dll files and executables have their own private heap, * whereas on POSIX systems, shared objects loaded into an executable share * the executable's heap. This means that if we pass an arbitrary pointer to * a windows DLL which is not allocated in that dll, without some form of * marshalling, we get a page fault. To fix this, these overrided operators * new and delete use the windows HeapAlloc and HeapFree functions to claim * memory from the windows global heap. This makes windows 'act like' POSIX * when it comes to memory usage between dlls and exes. */ void * ::operator new(size_t iSize) { void* ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, iSize); /* zero memory for unix compatibility */ /* This is the correct behaviour according to C++ standards for out of memory, * not returning null -- Brain */ if (!ptr) throw std::bad_alloc(); else return ptr; } void ::operator delete(void * ptr) { HeapFree(GetProcessHeap(), 0, ptr); } \ No newline at end of file
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd_win32wrapper.h"
+#include <exception>
+#include <new>
+#include <new.h>
+
+/** On windows, all dll files and executables have their own private heap,
+ * whereas on POSIX systems, shared objects loaded into an executable share
+ * the executable's heap. This means that if we pass an arbitrary pointer to
+ * a windows DLL which is not allocated in that dll, without some form of
+ * marshalling, we get a page fault. To fix this, these overrided operators
+ * new and delete use the windows HeapAlloc and HeapFree functions to claim
+ * memory from the windows global heap. This makes windows 'act like' POSIX
+ * when it comes to memory usage between dlls and exes.
+ */
+
+void * ::operator new(size_t iSize)
+{
+ void* ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, iSize); /* zero memory for unix compatibility */
+ /* This is the correct behaviour according to C++ standards for out of memory,
+ * not returning null -- Brain
+ */
+ if (!ptr)
+ throw std::bad_alloc();
+ else
+ return ptr;
+}
+
+void ::operator delete(void * ptr)
+{
+ HeapFree(GetProcessHeap(), 0, ptr);
+}