[Bf-blender-cvs] [201abb4] blender-v2.72-release: Fix T42005: Reset py-handlers could crash

[Campbell Barton]

Commit: 201abb4946a03fd1df5e7be2c766154a8f6fa198
Author: Campbell Barton
Date:   Mon Oct 13 17:44:27 2014 +0200
Branches: blender-v2.72-release
https://developer.blender.org/rB201abb4946a03fd1df5e7be2c766154a8f6fa198

Fix T42005: Reset py-handlers could crash

Wasn't acquiring the GIL.

===================================================================

M	source/blender/python/intern/bpy_app_handlers.c

===================================================================

diff --git a/source/blender/python/intern/bpy_app_handlers.c b/source/blender/python/intern/bpy_app_handlers.c
index 41ca2d4..44da322 100644
--- a/source/blender/python/intern/bpy_app_handlers.c
+++ b/source/blender/python/intern/bpy_app_handlers.c
@@ -240,8 +240,11 @@ PyObject *BPY_app_handlers_struct(void)
 
 void BPY_app_handlers_reset(const short do_all)
 {
+	PyGILState_STATE gilstate;
 	int pos = 0;
 
+	gilstate = PyGILState_Ensure();
+
 	if (do_all) {
 		for (pos = 0; pos < BLI_CB_EVT_TOT; pos++) {
 			/* clear list */
@@ -279,6 +282,8 @@ void BPY_app_handlers_reset(const short do_all)
 
 		Py_DECREF(perm_id_str);
 	}
+
+	PyGILState_Release(gilstate);
 }
 
 /* the actual callback - not necessarily called from py */