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authorPatrik Nyblom <[email protected]>2010-02-26 16:23:27 +0100
committerBjörn Gustavsson <[email protected]>2010-03-10 15:07:38 +0100
commit58bf309625bb2fc99a7689d3ce2dcb6de2a3a04c (patch)
tree42a2f85f4d48214a75f36fd35f1b734371f7ead9 /lib/wx/c_src/wxe_impl.cpp
parente2f78fbb4dabb19dd908821febc64acd843ad5b4 (diff)
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wx: Correct usage of driver callbacks from wx thread
Diffstat (limited to 'lib/wx/c_src/wxe_impl.cpp')
-rw-r--r--lib/wx/c_src/wxe_impl.cpp16
1 files changed, 13 insertions, 3 deletions
diff --git a/lib/wx/c_src/wxe_impl.cpp b/lib/wx/c_src/wxe_impl.cpp
index 4486dff63b..528a08e654 100644
--- a/lib/wx/c_src/wxe_impl.cpp
+++ b/lib/wx/c_src/wxe_impl.cpp
@@ -101,7 +101,7 @@ int start_native_gui(wxe_data *sd)
init_caller = driver_connected(sd->port);
if((res = erl_drv_thread_create((char *)"wxwidgets",
- &wxe_thread,wxe_main_loop,NULL,NULL)) == 0) {
+ &wxe_thread,wxe_main_loop,(void *) sd->pdl,NULL)) == 0) {
erl_drv_mutex_lock(wxe_status_m);
for(;wxe_status == WXE_NOT_INITIATED;) {
erl_drv_cond_wait(wxe_status_c, wxe_status_m);
@@ -179,12 +179,15 @@ void meta_command(int what, wxe_data *sd) {
* wxWidgets Thread
* ************************************************************/
-void *wxe_main_loop(void * not_used)
+void *wxe_main_loop(void *vpdl)
{
int result;
int argc = 1;
char * temp = (char *) "Erlang\0";
char ** argv = &temp;
+ ErlDrvPDL pdl = (ErlDrvPDL) vpdl;
+
+ driver_pdl_inc_refc(pdl);
// ErlDrvSysInfo einfo;
// driver_system_info(&einfo, sizeof(ErlDrvSysInfo));
@@ -199,6 +202,7 @@ void *wxe_main_loop(void * not_used)
if(result >= 0 && wxe_status == WXE_INITIATED) {
/* We are done try to make a clean exit */
wxe_status = WXE_EXITED;
+ driver_pdl_dec_refc(pdl);
erl_drv_thread_exit(NULL);
return NULL;
} else {
@@ -206,6 +210,7 @@ void *wxe_main_loop(void * not_used)
wxe_status = WXE_ERROR;
erl_drv_cond_signal(wxe_status_c);
erl_drv_mutex_unlock(wxe_status_m);
+ driver_pdl_dec_refc(pdl);
return NULL;
}
}
@@ -401,11 +406,12 @@ void WxeApp::dispatch_cb(wxList * batch, wxList * temp, ErlDrvTermData process)
node = batch->GetFirst())
{
wxeCommand *event = (wxeCommand *)node->GetData();
+ wxeMemEnv *memenv = getMemEnv(event->port);
batch->Erase(node);
if(event->caller == process || // Callbacks from CB process only
event->op == WXE_CB_START || // Recursive event callback allow
// Allow connect_cb during CB i.e. msg from wxe_server.
- event->caller == driver_connected(event->port))
+ event->caller == memenv->owner)
{
switch(event->op) {
case WXE_BATCH_END:
@@ -456,6 +462,9 @@ void WxeApp::dispatch_cb(wxList * batch, wxList * temp, ErlDrvTermData process)
void WxeApp::newMemEnv(wxeMetaCommand& Ecmd) {
wxeMemEnv * memenv = new wxeMemEnv();
+
+ driver_pdl_inc_refc(Ecmd.pdl);
+
for(int i = 0; i < global_me->next; i++) {
memenv->ref2ptr[i] = global_me->ref2ptr[i];
}
@@ -576,6 +585,7 @@ void WxeApp::destroyMemEnv(wxeMetaCommand& Ecmd) {
// }
// fflush(stderr);
delete memenv;
+ driver_pdl_dec_refc(Ecmd.pdl);
refmap.erase((ErlDrvTermData) Ecmd.port);
}