From 9f69afaa2f1232f8e87b5ea084ea3594e082c56f Mon Sep 17 00:00:00 2001
From: vales <v501100@gmail.com>
Date: Thu, 23 Jul 2015 11:36:55 +0500
Subject: [PATCH] Adds missing check for pctx->main_cancel

---
 pcompress.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pcompress.c b/pcompress.c
index a1539e2..3d22b9b 100644
--- a/pcompress.c
+++ b/pcompress.c
@@ -1729,6 +1729,9 @@ redo:
 			if (p == np) continue;
 			tdat = dary[p];
 			Sem_Wait(&tdat->write_done_sem);
+// VS begin
+			if (pctx->main_cancel) break;
+// VS end
 		}
 	}
 uncomp_done: