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-rw-r--r--lib/wx/c_src/wxe_impl.cpp57
1 files changed, 32 insertions, 25 deletions
diff --git a/lib/wx/c_src/wxe_impl.cpp b/lib/wx/c_src/wxe_impl.cpp
index d115bb2243..4486dff63b 100644
--- a/lib/wx/c_src/wxe_impl.cpp
+++ b/lib/wx/c_src/wxe_impl.cpp
@@ -1,19 +1,19 @@
/*
* %CopyrightBegin%
- *
- * Copyright Ericsson AB 2008-2009. All Rights Reserved.
- *
+ *
+ * Copyright Ericsson AB 2008-2010. All Rights Reserved.
+ *
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
- *
+ *
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
- *
+ *
* %CopyrightEnd%
*/
@@ -615,28 +615,33 @@ int WxeApp::getRef(void * ptr, wxeMemEnv *memenv) {
ptrMap::iterator it = ptr2ref.find(ptr);
if(it != ptr2ref.end()) {
wxeRefData *refd = it->second;
- return refd->ref;
- } else { // New Ptr
- int ref;
- intList free = memenv->free;
-
- if(free.IsEmpty()) {
- ref = memenv->next++;
- } else {
- ref = free.Pop();
- };
- if(ref >= memenv->max) {
- memenv->max *= 2;
- memenv->ref2ptr =
- (void **) driver_realloc(memenv->ref2ptr,memenv->max * sizeof(void*));
- }
+ if(refd->memenv == memenv) {
+ // Found it return
+ return refd->ref;
+ } // else
+ // Old reference to deleted object, release old and recreate in current memenv.
+ clearPtr(ptr);
+ }
+ int ref;
+ intList free = memenv->free;
- memenv->ref2ptr[ref] = ptr;
- ptr2ref[ptr] = new wxeRefData(ref, 0, false, memenv);
- return ref;
+ if(free.IsEmpty()) {
+ ref = memenv->next++;
+ } else {
+ ref = free.Pop();
+ };
+ if(ref >= memenv->max) {
+ memenv->max *= 2;
+ memenv->ref2ptr =
+ (void **) driver_realloc(memenv->ref2ptr,memenv->max * sizeof(void*));
}
+
+ memenv->ref2ptr[ref] = ptr;
+ ptr2ref[ptr] = new wxeRefData(ref, 0, false, memenv);
+ return ref;
}
+
void WxeApp::clearPtr(void * ptr) {
ptrMap::iterator it;
it = ptr2ref.find(ptr);
@@ -697,13 +702,15 @@ void WxeApp::clearPtr(void * ptr) {
void * WxeApp::getPtr(char * bp, wxeMemEnv *memenv) {
int index = *(int *) bp;
- if(!memenv)
+ if(!memenv) {
throw wxe_badarg(index);
+ }
void * temp = memenv->ref2ptr[index];
if((index < memenv->next) && ((index == 0) || (temp > NULL)))
return temp;
- else
+ else {
throw wxe_badarg(index);
+ }
}
void WxeApp::registerPid(char * bp, ErlDrvTermData pid, wxeMemEnv * memenv) {