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fix bug that causes dead-lock under Linux

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This commit is contained in:
Jinhao 2018-09-22 00:37:36 +08:00
parent a41eb44714
commit 7fea766f99
1 changed files with 6 additions and 1 deletions
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7
source/gui/detail/bedrock_posix.cpp
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@ -973,7 +973,12 @@ namespace detail
case Expose:
if(msgwnd->visible && (msgwnd->root_graph->empty() == false))
{
nana::detail::platform_scope_guard lock;
nana::internal_scope_guard lock;
//Don't lock this scope using platform-scope-guard. Because it would cause the platform-scope-lock to be locked
//before the internal-scope-guard, and the order of locking would cause dead-lock.
//
//Locks this scope using internal-scope-guard is correct and safe. In the scope, the Xlib functions aren't called
//directly.
if(msgwnd->is_draw_through())
{
msgwnd->other.attribute.root->draw_through();