From 5818014b691c1dc20f3597bbcbf165782b54eacb Mon Sep 17 00:00:00 2001
From: Ritu Baldwa <ritu.baldwa@ittiam.com>
Date: Wed, 2 Jan 2019 11:58:34 +0530
Subject: Revert "Revert "Add Tile-SB-Row based Multi-threading in Decoder""

This reverts commit 06983668cf41f66765528db044419f954e5a5d64.
Fixes Visual Studio build errors introduced by earlier row mt commit

BUG=webm:1587

Change-Id: I792df86e8254cd6b2a511955b691af619a569cd0
---
 vpx_util/vpx_thread.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'vpx_util')

diff --git a/vpx_util/vpx_thread.h b/vpx_util/vpx_thread.h
index 4c20f378b..26de0de9f 100644
--- a/vpx_util/vpx_thread.h
+++ b/vpx_util/vpx_thread.h
@@ -211,6 +211,17 @@ static INLINE int pthread_cond_wait(pthread_cond_t *const condition,
 #endif
   return !ok;
 }
+
+static INLINE int sched_yield() {
+  int ok = 0;
+#if _WIN32_WINNT >= 0x0400  // Windows XP and above
+  SwitchToThread();
+#else
+  Sleep(0);
+#endif  // _WIN32_WINNT >= 0x0400
+  return ok;
+}
+
 #elif defined(__OS2__)
 #define INCL_DOS
 #include <os2.h>  // NOLINT
-- 
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