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Fix #7007: deadlock when launched with -n switch

pull/7105/head
glx 2019-01-25 21:22:49 +01:00 committed by Charles Pigott
parent 9fa827ed78
commit e76fd99c47
1 changed files with 4 additions and 0 deletions
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4
src/gfx.cpp
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@ -1317,7 +1317,11 @@ void DrawDirtyBlocks()
/* Wait a while and update _realtime_tick so we are given the rights */
if (!IsFirstModalProgressLoop()) CSleep(MODAL_PROGRESS_REDRAW_TIMEOUT);
_realtime_tick += MODAL_PROGRESS_REDRAW_TIMEOUT;
/* Modal progress thread may need blitter access while we are waiting for it. */
VideoDriver::GetInstance()->ReleaseBlitterLock();
_modal_progress_paint_mutex->BeginCritical();
VideoDriver::GetInstance()->AcquireBlitterLock();
_modal_progress_work_mutex->BeginCritical();
/* When we ended with the modal progress, do not draw the blocks.