From: RichardBarry <RichardBarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Sun, 21 Nov 2010 11:34:12 +0000 (+0000)
Subject: Added vPortCheckCorrectThreadIsRunning() function to the Win32 port layer to trap... 
X-Git-Tag: V6.1.1~108
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=815d476db24a33da0c5bf47d6cd71cb7c4fc8890;p=freertos

Added vPortCheckCorrectThreadIsRunning() function to the Win32 port layer to trap when Windows is not running the correct thread and try and catch it.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@1149 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---

diff --git a/Source/portable/MSVC-MingW/port.c b/Source/portable/MSVC-MingW/port.c
index 35f3c95c9..f89b2d081 100644
--- a/Source/portable/MSVC-MingW/port.c
+++ b/Source/portable/MSVC-MingW/port.c
@@ -532,4 +532,19 @@ long lMutexNeedsReleasing;
 		ReleaseMutex( pvInterruptEventMutex );
 	}
 }
+/*-----------------------------------------------------------*/
+
+void vPortCheckCorrectThreadIsRunning( void )
+{
+xThreadState *pxThreadState = ( xThreadState * ) *( ( unsigned long * ) pxCurrentTCB );
+
+	/* When switching threads, Windows does not always seem to run the selected
+	thread immediately.  This function can be called to check if the thread
+	that is currently running is the thread that is responsible for executing
+	the task selected by the real time scheduler. */
+	if( GetCurrentThread() != pxThreadState->pvThread )
+	{
+		SwitchToThread();
+	}
+}