From 23e8642fe9b2cf8ae77f8198cd332167421ff667 Mon Sep 17 00:00:00 2001
From: Dan Gudmundsson <dgud@erlang.org>
Date: Tue, 21 Jun 2016 09:38:10 +0200
Subject: Request a larger stacksize for wx thread

The default stacksize on Windows is 1MB which is not enough if you
create many dialogs and callbacks recurse back to erlang.

Increase the stacksize of 8MB which should be sufficent.
---
 lib/wx/c_src/wxe_main.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/wx')

diff --git a/lib/wx/c_src/wxe_main.cpp b/lib/wx/c_src/wxe_main.cpp
index 6fcde42eb5..c7565e33bd 100644
--- a/lib/wx/c_src/wxe_main.cpp
+++ b/lib/wx/c_src/wxe_main.cpp
@@ -67,6 +67,7 @@ int load_native_gui()
 int start_native_gui(wxe_data *sd)
 {
   int res;
+  ErlDrvThreadOpts *opts = NULL;
   wxe_status_m = erl_drv_mutex_create((char *) "wxe_status_m");
   wxe_status_c = erl_drv_cond_create((char *)"wxe_status_c");
 
@@ -78,8 +79,11 @@ int start_native_gui(wxe_data *sd)
   res = erl_drv_steal_main_thread((char *)"wxwidgets",
 				  &wxe_thread,wxe_main_loop,(void *) sd->pdl,NULL);
 #else
+  opts = erl_drv_thread_opts_create((char *)"wx thread");
+  opts->suggested_stack_size = 8192;
   res = erl_drv_thread_create((char *)"wxwidgets",
-			      &wxe_thread,wxe_main_loop,(void *) sd->pdl,NULL);
+			      &wxe_thread,wxe_main_loop,(void *) sd->pdl,opts);
+  erl_drv_thread_opts_destroy(opts);
 #endif
   if(res == 0) {
     erl_drv_mutex_lock(wxe_status_m);
-- 
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