From 8c789b3a911f3361ff765a82db968fc8112e983e Mon Sep 17 00:00:00 2001
From: rtel <rtel@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Tue, 21 Aug 2018 19:37:04 +0000
Subject: [PATCH] Update demo project for Tensilita - work in progres.. Add
 support for POSIX style errno - work in progress.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2561 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---
 .../Tensilica_Simulator_Xplorer_XCC/.cproject |  72 +--
 .../Tensilica_Simulator_Xplorer_XCC/.project  |  46 +-
 .../.settings/targets/xtensa/Debug.bts        |  12 +
 .../main_full.c                               | 417 +++++++-----------
 FreeRTOS/Demo/WIN32-MSVC/.vs/WIN32/v14/.suo   | Bin 54272 -> 56832 bytes
 FreeRTOS/Source/include/FreeRTOS.h            |  12 +-
 .../Source/portable/IAR/ARM_CM3/portmacro.h   |   6 +
 FreeRTOS/Source/tasks.c                       |  24 +
 8 files changed, 270 insertions(+), 319 deletions(-)

diff --git a/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.cproject b/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.cproject
index 8cca4c4af..a574d0e62 100644
--- a/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.cproject
+++ b/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.cproject
@@ -18,16 +18,19 @@
 							<tool errorParsers="org.eclipse.cdt.core.VCErrorParser;org.eclipse.cdt.core.GASErrorParser" id="org.eclipse.cdt.build.core.settings.holder.libs.283188354" name="holder for library settings" superClass="org.eclipse.cdt.build.core.settings.holder.libs"/>
 							<tool errorParsers="org.eclipse.cdt.core.VCErrorParser;org.eclipse.cdt.core.GASErrorParser" id="org.eclipse.cdt.build.core.settings.holder.1363672131" name="Assembly" superClass="org.eclipse.cdt.build.core.settings.holder">
 								<option id="org.eclipse.cdt.build.core.settings.holder.incpaths.818579882" name="Include Paths" superClass="org.eclipse.cdt.build.core.settings.holder.incpaths" valueType="includePath">
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC"/>
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Demo/Common/include"/>
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Source/include"/>
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Source/portable/ThirdParty/XCC/Xtensa"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/arch/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/lib/xcc/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/xtensa-elf/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++/xtensa-elf"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/arch/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/lib/xcc/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/xtensa-elf/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++/xtensa-elf"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Demo/Common/include"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Source/include"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Source/portable/XCC/Xtensa"/>
+									<listOptionValue builtIn="false" value="&quot;../${workspace_loc:RTOSDemo\FreeRTOS_Source\include}&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;../${workspace_loc:RTOSDemo\FreeRTOS_Source\portable\XCC}&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;C:\Users\ribarry\Dev\FreeRTOS\WorkingCopy\FreeRTOS\Demo\Tensilica_Simulator_Xplorer_XCC&quot;"/>
 								</option>
 								<option id="org.eclipse.cdt.build.core.settings.holder.symbols.1072492848" name="Symbols" superClass="org.eclipse.cdt.build.core.settings.holder.symbols" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="__CHAR_BIT__=8"/>
@@ -72,16 +75,19 @@
 							</tool>
 							<tool errorParsers="org.eclipse.cdt.core.VCErrorParser;org.eclipse.cdt.core.GASErrorParser" id="org.eclipse.cdt.build.core.settings.holder.29534978" name="GNU C++" superClass="org.eclipse.cdt.build.core.settings.holder">
 								<option id="org.eclipse.cdt.build.core.settings.holder.incpaths.1529034681" name="Include Paths" superClass="org.eclipse.cdt.build.core.settings.holder.incpaths" valueType="includePath">
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC"/>
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Demo/Common/include"/>
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Source/include"/>
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Source/portable/ThirdParty/XCC/Xtensa"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/arch/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/lib/xcc/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/xtensa-elf/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++/xtensa-elf"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/arch/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/lib/xcc/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/xtensa-elf/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++/xtensa-elf"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Demo/Common/include"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Source/include"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Source/portable/XCC/Xtensa"/>
+									<listOptionValue builtIn="false" value="&quot;../${workspace_loc:RTOSDemo\FreeRTOS_Source\include}&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;../${workspace_loc:RTOSDemo\FreeRTOS_Source\portable\XCC}&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;C:\Users\ribarry\Dev\FreeRTOS\WorkingCopy\FreeRTOS\Demo\Tensilica_Simulator_Xplorer_XCC&quot;"/>
 								</option>
 								<option id="org.eclipse.cdt.build.core.settings.holder.symbols.459736431" name="Symbols" superClass="org.eclipse.cdt.build.core.settings.holder.symbols" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="__CHAR_BIT__=8"/>
@@ -126,16 +132,19 @@
 							</tool>
 							<tool errorParsers="org.eclipse.cdt.core.VCErrorParser;org.eclipse.cdt.core.GASErrorParser" id="org.eclipse.cdt.build.core.settings.holder.541186543" name="GNU C" superClass="org.eclipse.cdt.build.core.settings.holder">
 								<option id="org.eclipse.cdt.build.core.settings.holder.incpaths.2101310742" name="Include Paths" superClass="org.eclipse.cdt.build.core.settings.holder.incpaths" valueType="includePath">
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC"/>
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Demo/Common/include"/>
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Source/include"/>
-									<listOptionValue builtIn="false" value="C:/workplace/FreeRTOSSVN/FreeRTOS/Source/portable/ThirdParty/XCC/Xtensa"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/arch/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/lib/xcc/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/xtensa-elf/include"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++"/>
-									<listOptionValue builtIn="false" value="C:/usr/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++/xtensa-elf"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/arch/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/lib/xcc/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/tools/RG-2017.8-win32/XtensaTools/xtensa-elf/include"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++"/>
+									<listOptionValue builtIn="false" value="C:/devtools/xtensa/XtDevTools/install/builds/RG-2017.8-win32/sample_controller/xtensa-elf/include/xcc/c++/xtensa-elf"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Demo/Common/include"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Source/include"/>
+									<listOptionValue builtIn="false" value="C:/Users/ribarry/Dev/FreeRTOS/WorkingCopy/FreeRTOS/Source/portable/XCC/Xtensa"/>
+									<listOptionValue builtIn="false" value="&quot;../${workspace_loc:RTOSDemo\FreeRTOS_Source\include}&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;../${workspace_loc:RTOSDemo\FreeRTOS_Source\portable\XCC}&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;C:\Users\ribarry\Dev\FreeRTOS\WorkingCopy\FreeRTOS\Demo\Tensilica_Simulator_Xplorer_XCC&quot;"/>
 								</option>
 								<option id="org.eclipse.cdt.build.core.settings.holder.symbols.740810983" name="Symbols" superClass="org.eclipse.cdt.build.core.settings.holder.symbols" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="__CHAR_BIT__=8"/>
@@ -208,7 +217,4 @@
 			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
 		</scannerConfigBuildInfo>
 	</storageModule>
-	<storageModule moduleId="refreshScope" versionNumber="1">
-		<resource resourceType="PROJECT" workspacePath="/RTOSDemo"/>
-	</storageModule>
 </cproject>
diff --git a/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.project b/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.project
index 51db76b71..e885f1a70 100644
--- a/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.project
+++ b/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.project
@@ -58,11 +58,6 @@
 			<type>1</type>
 			<locationURI>PARENT-1-PROJECT_LOC/Common/Minimal/GenQTest.c</locationURI>
 		</link>
-		<link>
-			<name>CommonDemoTasks/IntQueue.c</name>
-			<type>1</type>
-			<locationURI>PARENT-1-PROJECT_LOC/Common/Minimal/IntQueue.c</locationURI>
-		</link>
 		<link>
 			<name>CommonDemoTasks/IntSemTest.c</name>
 			<type>1</type>
@@ -138,6 +133,11 @@
 			<type>1</type>
 			<locationURI>PARENT-1-PROJECT_LOC/Common/Minimal/death.c</locationURI>
 		</link>
+		<link>
+			<name>CommonDemoTasks/dynamic.c</name>
+			<type>1</type>
+			<locationURI>PARENT-1-PROJECT_LOC/Common/Minimal/dynamic.c</locationURI>
+		</link>
 		<link>
 			<name>CommonDemoTasks/flop.c</name>
 			<type>1</type>
@@ -291,92 +291,92 @@
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/port.c</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/port.c</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/port.c</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/portasm.S</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/portasm.S</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/portasm.S</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/portbenchmark.h</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/portbenchmark.h</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/portbenchmark.h</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/portclib.c</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/portclib.c</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/portclib.c</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/portmacro.h</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/portmacro.h</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/portmacro.h</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/porttrace.h</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/porttrace.h</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/porttrace.h</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/readme_xtensa.txt</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/readme_xtensa.txt</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/readme_xtensa.txt</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_api.h</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_api.h</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_api.h</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_config.h</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_config.h</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_config.h</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_context.S</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_context.S</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_context.S</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_context.h</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_context.h</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_context.h</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_init.c</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_init.c</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_init.c</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_intr.c</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_intr.c</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_intr.c</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_intr_asm.S</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_intr_asm.S</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_intr_asm.S</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_overlay_os_hook.c</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_overlay_os_hook.c</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_overlay_os_hook.c</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_rtos.h</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_rtos.h</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_rtos.h</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_timer.h</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_timer.h</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_timer.h</locationURI>
 		</link>
 		<link>
 			<name>FreeRTOS_Source/portable/XCC/xtensa_vectors.S</name>
 			<type>1</type>
-			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/ThirdParty/XCC/Xtensa/xtensa_vectors.S</locationURI>
+			<locationURI>PARENT-2-PROJECT_LOC/Source/portable/XCC/Xtensa/xtensa_vectors.S</locationURI>
 		</link>
 	</linkedResources>
 </projectDescription>
diff --git a/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.settings/targets/xtensa/Debug.bts b/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.settings/targets/xtensa/Debug.bts
index e04cdd349..9a6fd1fad 100644
--- a/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.settings/targets/xtensa/Debug.bts
+++ b/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.settings/targets/xtensa/Debug.bts
@@ -2,6 +2,18 @@
 <BuildTarget tool="xtensa" version="1.0">
     <BuildSettings>
         <BaseSettings path="project">
+            <PreprocessorOptions>
+                <StringListMapOptions>
+                    <StringListMapEntry>
+                        <key>Includes</key>
+                        <value flag="-I" inheritance="prepend">
+                            <ListEntry>${workspace_loc:RTOSDemo/FreeRTOS_Source/include}</ListEntry>
+                            <ListEntry>${workspace_loc:RTOSDemo/FreeRTOS_Source/portable/XCC}</ListEntry>
+                            <ListEntry>${workspace_loc:RTOSDemo}</ListEntry>
+                        </value>
+                    </StringListMapEntry>
+                </StringListMapOptions>
+            </PreprocessorOptions>
             <CompilerOptions>
                 <FlagValueMapOptions>
                     <FlagValueMapEntry>
diff --git a/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/main_full.c b/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/main_full.c
index 29d669b8d..9e530647d 100644
--- a/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/main_full.c
+++ b/FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/main_full.c
@@ -67,6 +67,7 @@
 #include "TimerDemo.h"
 #include "countsem.h"
 #include "death.h"
+#include "dynamic.h"
 #include "QueueSet.h"
 #include "QueueOverwrite.h"
 #include "EventGroupsDemo.h"
@@ -94,42 +95,16 @@
 
 #define mainTIMER_TEST_PERIOD			( 50 )
 
-/* Parameters that are passed into the register check tasks solely for the
-purpose of ensuring parameters are passed into tasks correctly. */
-#define mainREG_TEST_TASK_1_PARAMETER	( ( void * ) 0x12345678 )
-#define mainREG_TEST_TASK_2_PARAMETER	( ( void * ) 0x87654321 )
-
-/* Whether or not to enable interrupt queue tests. */
-#define mainENABLE_INT_QUEUE_TESTS		( 0 )
-
 /* The task that periodically checks that all the standard demo tasks are
  * still executing and error free.
  */
 static void prvCheckTask( void *pvParameters );
 
-/* Tasks that implement register tests. */
-static void prvRegTest1Task( void *pvParameters );
-static void prvRegTest2Task( void *pvParameters );
-
-/* Functions implemented in assembly file regtest_xtensa.S. */
-extern void vRegTest1( void );
-extern void vRegTest2( void );
 /*-----------------------------------------------------------*/
 
 /* The variable into which error messages are latched. */
 static char *pcStatusMessage = "No errors";
 
-/* The following two variables are used to communicate the status of the
-register check tasks to the check task.  If the variables keep incrementing,
-then the register check tasks have not discovered any errors.  If a variable
-stops incrementing, then an error has been found. */
-volatile unsigned long ulRegTest1Counter = 0UL, ulRegTest2Counter = 0UL;
-
-/* The following variable is used to communicate whether the timers for the
-IntQueue tests have been Initialized. This is needed to ensure that the queues
-are accessed from the tick hook only after they have been created in the
-interrupt queue test. */
-volatile BaseType_t xTimerForQueueTestInitialized = pdFALSE;
 /*-----------------------------------------------------------*/
 
 int main_full( void )
@@ -137,57 +112,45 @@ int main_full( void )
 	/* Start the check task as described at the top of this file. */
 	xTaskCreate( prvCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
 
-	#if( mainENABLE_INT_QUEUE_TESTS == 0 )
+	/* Create the standard demo tasks. */
+	vStartTaskNotifyTask();
+	vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
+	vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
+	vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
+	vStartIntegerMathTasks( mainINTEGER_TASK_PRIORITY );
+	vStartGenericQueueTasks( mainGEN_QUEUE_TASK_PRIORITY );
+
+	vStartQueuePeekTasks();
+	vStartMathTasks( mainFLOP_TASK_PRIORITY );
+	vStartRecursiveMutexTasks();
+	vStartCountingSemaphoreTasks();
+	vStartDynamicPriorityTasks();
+	vStartQueueSetTasks();
+
+	vStartQueueOverwriteTask( mainQUEUE_OVERWRITE_PRIORITY );
+	vStartEventGroupTasks();
+	vStartInterruptSemaphoreTasks();
+	vStartQueueSetPollingTask();
+	vCreateBlockTimeTasks();
+
+	vCreateAbortDelayTasks();
+	vStartMessageBufferTasks( configMINIMAL_STACK_SIZE );
+
+	vStartStreamBufferTasks();
+	vStartStreamBufferInterruptDemo();
+
+	#if( configUSE_PREEMPTION != 0  )
 	{
-		/* Create the standard demo tasks. */
-		vStartTaskNotifyTask();
-		vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
-		vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
-		vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
-		vStartIntegerMathTasks( mainINTEGER_TASK_PRIORITY );
-		vStartGenericQueueTasks( mainGEN_QUEUE_TASK_PRIORITY );
-
-		vStartQueuePeekTasks();
-		vStartMathTasks( mainFLOP_TASK_PRIORITY );
-		vStartRecursiveMutexTasks();
-		vStartCountingSemaphoreTasks();
-		vStartQueueSetTasks();
-
-		vStartQueueOverwriteTask( mainQUEUE_OVERWRITE_PRIORITY );
-		vStartEventGroupTasks();
-		vStartInterruptSemaphoreTasks();
-		vStartQueueSetPollingTask();
-		vCreateBlockTimeTasks();
-
-		#if( configUSE_PREEMPTION != 0  )
-		{
-			/* Don't expect these tasks to pass when preemption is not used. */
-			vStartTimerDemoTask( mainTIMER_TEST_PERIOD );
-		}
-		#endif
-
-		vCreateAbortDelayTasks();
-		vStartMessageBufferTasks( configMINIMAL_STACK_SIZE );
-
-		vStartStreamBufferTasks();
-		vStartStreamBufferInterruptDemo();
-
-		/* Create the register check tasks, as described at the top of this	file */
-		xTaskCreate( prvRegTest1Task, "Reg1", configMINIMAL_STACK_SIZE, mainREG_TEST_TASK_1_PARAMETER, tskIDLE_PRIORITY, NULL );
-		xTaskCreate( prvRegTest2Task, "Reg2", configMINIMAL_STACK_SIZE, mainREG_TEST_TASK_2_PARAMETER, tskIDLE_PRIORITY, NULL );
-
-		/* The suicide tasks must be created last as they need to know how many
-		tasks were running prior to their creation.  This then allows them to
-		ascertain whether or not the correct/expected number of tasks are running at
-		any given time. */
-		vCreateSuicidalTasks( mainCREATOR_TASK_PRIORITY );
-	}
-	#else /* mainENABLE_INT_QUEUE_TESTS */
-	{
-		/* Start interrupt queue test tasks. */
-		vStartInterruptQueueTasks();
+		/* Don't expect these tasks to pass when preemption is not used. */
+		vStartTimerDemoTask( mainTIMER_TEST_PERIOD );
 	}
-	#endif /* mainENABLE_INT_QUEUE_TESTS */
+	#endif
+
+	/* The suicide tasks must be created last as they need to know how many
+	tasks were running prior to their creation.  This then allows them to
+	ascertain whether or not the correct/expected number of tasks are running at
+	any given time. */
+	vCreateSuicidalTasks( mainCREATOR_TASK_PRIORITY );
 
 	/* Start the scheduler itself. */
 	vTaskStartScheduler();
@@ -202,7 +165,6 @@ static void prvCheckTask( void *pvParameters )
 {
 TickType_t xNextWakeTime;
 const TickType_t xCycleFrequency = pdMS_TO_TICKS( 5000UL );
-static unsigned long ulLastRegTest1Value = 0, ulLastRegTest2Value = 0;
 
 	/* Just to remove compiler warning. */
 	( void ) pvParameters;
@@ -215,124 +177,105 @@ static unsigned long ulLastRegTest1Value = 0, ulLastRegTest2Value = 0;
 		/* Place this task in the blocked state until it is time to run again. */
 		vTaskDelayUntil( &xNextWakeTime, xCycleFrequency );
 
-		#if( mainENABLE_INT_QUEUE_TESTS == 0 )
+		/* Check the standard demo tasks are running without error. */
+		#if( configUSE_PREEMPTION != 0 )
 		{
-			/* Check the standard demo tasks are running without error. */
-			#if( configUSE_PREEMPTION != 0 )
-			{
-				/* These tasks are only created when preemption is used. */
-				if( xAreTimerDemoTasksStillRunning( xCycleFrequency ) != pdTRUE )
-				{
-					pcStatusMessage = "Error: TimerDemo";
-				}
-			}
-			#endif
-
-			if( xAreTaskNotificationTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error:  Notification";
-			}
-			else if( xAreBlockingQueuesStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: BlockQueue";
-			}
-			else if( xAreSemaphoreTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: SemTest";
-			}
-			else if( xArePollingQueuesStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: PollQueue";
-			}
-			else if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: IntMath";
-			}
-			else if( xAreGenericQueueTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: GenQueue";
-			}
-			else if( xAreQueuePeekTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: QueuePeek";
-			}
-			else if( xAreMathsTaskStillRunning() != pdPASS )
-			{
-				pcStatusMessage = "Error: Flop";
-			}
-			else if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
+			/* These tasks are only created when preemption is used. */
+			if( xAreTimerDemoTasksStillRunning( xCycleFrequency ) != pdTRUE )
 			{
-				pcStatusMessage = "Error: RecMutex";
-			}
-			else if( xAreCountingSemaphoreTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: CountSem";
-			}
-			else if( xAreQueueSetTasksStillRunning() != pdPASS )
-			{
-				pcStatusMessage = "Error: Queue set";
-			}
-			else if( xIsQueueOverwriteTaskStillRunning() != pdPASS )
-			{
-				pcStatusMessage = "Error: Queue overwrite";
-			}
-			else if( xAreEventGroupTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: EventGroup";
-			}
-			else if( xAreInterruptSemaphoreTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: IntSem";
-			}
-			else if( xAreQueueSetPollTasksStillRunning() != pdPASS )
-			{
-				pcStatusMessage = "Error: Queue set polling";
-			}
-			else if( xAreBlockTimeTestTasksStillRunning() != pdPASS )
-			{
-				pcStatusMessage = "Error: Block time";
-			}
-			else if( xAreAbortDelayTestTasksStillRunning() != pdPASS )
-			{
-				pcStatusMessage = "Error: Abort delay";
-			}
-			else if( xAreMessageBufferTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error:  MessageBuffer";
-			}
-			else if( xAreStreamBufferTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error:  StreamBuffer";
-			}
-			else if( xIsInterruptStreamBufferDemoStillRunning() != pdPASS )
-			{
-				pcStatusMessage = "Error: Stream buffer interrupt";
-			}
-			else if( xIsCreateTaskStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: Death";
-			}
-			else if( ulLastRegTest1Value == ulRegTest1Counter )
-			{
-				pcStatusMessage = "Error: Reg Test 1";
-			}
-			else if( ulLastRegTest2Value == ulRegTest2Counter )
-			{
-				pcStatusMessage = "Error: Reg Test 2";
+				pcStatusMessage = "Error: TimerDemo";
 			}
+		}
+		#endif
 
-			/* Update register test counters. */
-			ulLastRegTest1Value = ulRegTest1Counter;
-			ulLastRegTest2Value = ulRegTest2Counter;
+		if( xAreTaskNotificationTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error:  Notification";
 		}
-		#else /* mainENABLE_INT_QUEUE_TESTS */
+		else if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
 		{
-			if( xAreIntQueueTasksStillRunning() != pdTRUE )
-			{
-				pcStatusMessage = "Error: IntQueue";
-			}
+			pcStatusMessage = "Error: IntMath";
+		}
+		else if( xAreGenericQueueTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: GenQueue";
+		}
+		else if( xAreBlockingQueuesStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: BlockQueue";
+		}
+		else if( xAreSemaphoreTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: SemTest";
+		}
+		else if( xArePollingQueuesStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: PollQueue";
+		}
+		else if( xAreQueuePeekTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: QueuePeek";
+		}
+		else if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: RecMutex";
+		}
+		else if( xAreCountingSemaphoreTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: CountSem";
+		}
+		else if( xAreDynamicPriorityTasksStillRunning() != pdPASS )
+		{
+			pcStatusMessage = "Error: Dynamic";
+		}
+		else if( xAreQueueSetTasksStillRunning() != pdPASS )
+		{
+			pcStatusMessage = "Error: Queue set";
+		}
+		else if( xAreEventGroupTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: EventGroup";
+		}
+		else if( xIsQueueOverwriteTaskStillRunning() != pdPASS )
+		{
+			pcStatusMessage = "Error: Queue overwrite";
+		}
+		else if( xAreQueueSetPollTasksStillRunning() != pdPASS )
+		{
+			pcStatusMessage = "Error: Queue set polling";
+		}
+		else if( xAreBlockTimeTestTasksStillRunning() != pdPASS )
+		{
+			pcStatusMessage = "Error: Block time";
+		}
+		else if( xAreMessageBufferTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error:  MessageBuffer";
+		}
+		else if( xAreAbortDelayTestTasksStillRunning() != pdPASS )
+		{
+			pcStatusMessage = "Error: Abort delay";
+		}
+		else if( xAreStreamBufferTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error:  StreamBuffer";
+		}
+		else if( xIsInterruptStreamBufferDemoStillRunning() != pdPASS )
+		{
+			pcStatusMessage = "Error: Stream buffer interrupt";
+		}
+		else if( xAreInterruptSemaphoreTasksStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: IntSem";
+		}
+		else if( xIsCreateTaskStillRunning() != pdTRUE )
+		{
+			pcStatusMessage = "Error: Death";
+		}
+		else if( xAreMathsTaskStillRunning() != pdPASS )
+		{
+			pcStatusMessage = "Error: Flop";
 		}
-		#endif /* mainENABLE_INT_QUEUE_TESTS */
 
 		/* This is the only task that uses stdout so its ok to call printf()
 		directly. */
@@ -349,89 +292,39 @@ void vFullDemoTickHookFunction( void )
 {
 TaskHandle_t xTimerTask;
 
-	#if( mainENABLE_INT_QUEUE_TESTS == 0 )
+	/* Call the periodic timer test, which tests the timer API functions that
+	can be called from an ISR. */
+	#if( configUSE_PREEMPTION != 0 )
 	{
-		/* Exercise using task notifications from an interrupt. */
-		xNotifyTaskFromISR();
-
-		/* Write to a queue that is in use as part of the queue set demo to
-		 * demonstrate using queue sets from an ISR. */
-		vQueueSetAccessQueueSetFromISR();
-
-		/* Call the periodic queue overwrite from ISR demo. */
-		vQueueOverwritePeriodicISRDemo();
-
-		/* Exercise event groups from interrupts. */
-		vPeriodicEventGroupsProcessing();
+		/* Only created when preemption is used. */
+		vTimerPeriodicISRTests();
+	}
+	#endif
 
-		/* Exercise giving mutexes from an interrupt. */
-		vInterruptSemaphorePeriodicTest();
+	/* Call the periodic queue overwrite from ISR demo. */
+	vQueueOverwritePeriodicISRDemo();
 
-		/* Queue set access from interrupt. */
-		vQueueSetPollingInterruptAccess();
+	/* Write to a queue that is in use as part of the queue set demo to
+	demonstrate using queue sets from an ISR. */
+	vQueueSetAccessQueueSetFromISR();
+	vQueueSetPollingInterruptAccess();
 
-		/* Call the periodic timer test, which tests the timer API functions that
-		can be called from an ISR. */
-		#if( configUSE_PREEMPTION != 0 )
-		{
-			/* Only created when preemption is used. */
-			vTimerPeriodicISRTests();
-		}
-		#endif
+	/* Exercise event groups from interrupts. */
+	vPeriodicEventGroupsProcessing();
 
-		/* Writes to stream buffer byte by byte to test the stream buffer trigger
-		level functionality. */
-		vPeriodicStreamBufferProcessing();
+	/* Exercise giving mutexes from an interrupt. */
+	vInterruptSemaphorePeriodicTest();
 
-		/* Writes a string to a string buffer four bytes at a time to demonstrate
-		a stream being sent from an interrupt to a task. */
-		vBasicStreamBufferSendFromISR();
-	}
-	#else /* mainENABLE_INT_QUEUE_TESTS */
-	{
-		/* Access queues from interrupt. Make sure to access after the queues have
-		been created. */
-		if( xTimerForQueueTestInitialized == pdTRUE )
-		{
-			portYIELD_FROM_ISR( xFirstTimerHandler() );
-		}
-	}
-	#endif /* mainENABLE_INT_QUEUE_TESTS */
-}
-/*-----------------------------------------------------------*/
+	/* Exercise using task notifications from an interrupt. */
+	xNotifyTaskFromISR();
 
-static void prvRegTest1Task( void *pvParameters )
-{
-	/* Although the regtest task is written in assembly, its entry point is
-	written in C for convenience of checking the task parameter is being passed
-	in correctly. */
-	if( pvParameters == mainREG_TEST_TASK_1_PARAMETER )
-	{
-		/* Start the part of the test that is written in assembly. */
-		vRegTest1();
-	}
+	/* Writes to stream buffer byte by byte to test the stream buffer trigger
+	level functionality. */
+	vPeriodicStreamBufferProcessing();
 
-	/* The following line will only execute if the task parameter is found to
-	be incorrect.  The check task will detect that the regtest loop counter is
-	not being incremented and flag an error. */
-	vTaskDelete( NULL );
+	/* Writes a string to a string buffer four bytes at a time to demonstrate
+	a stream being sent from an interrupt to a task. */
+	vBasicStreamBufferSendFromISR();
 }
 /*-----------------------------------------------------------*/
 
-static void prvRegTest2Task( void *pvParameters )
-{
-	/* Although the regtest task is written in assembly, its entry point is
-	written in C for convenience of checking the task parameter is being passed
-	in correctly. */
-	if( pvParameters == mainREG_TEST_TASK_2_PARAMETER )
-	{
-		/* Start the part of the test that is written in assembly. */
-		vRegTest2();
-	}
-
-	/* The following line will only execute if the task parameter is found to
-	be incorrect.  The check task will detect that the regtest loop counter is
-	not being incremented and flag an error. */
-	vTaskDelete( NULL );
-}
-/*-----------------------------------------------------------*/
diff --git a/FreeRTOS/Demo/WIN32-MSVC/.vs/WIN32/v14/.suo b/FreeRTOS/Demo/WIN32-MSVC/.vs/WIN32/v14/.suo
index b50bd108f3bff098878054c2487aef0cdf7d5402..138d3b80c5931bbe53fbc7bc6c1ff6b3c815347f 100644
GIT binary patch
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Rzrt%g!wt=(YiHc%e*-ZjgarTq

diff --git a/FreeRTOS/Source/include/FreeRTOS.h b/FreeRTOS/Source/include/FreeRTOS.h
index 4b4088117..20f373937 100644
--- a/FreeRTOS/Source/include/FreeRTOS.h
+++ b/FreeRTOS/Source/include/FreeRTOS.h
@@ -806,6 +806,10 @@ extern "C" {
 	#define configUSE_TASK_NOTIFICATIONS 1
 #endif
 
+#ifndef configUSE_POSIX_ERRNO
+	#define configUSE_POSIX_ERRNO 0
+#endif
+
 #ifndef portTICK_TYPE_IS_ATOMIC
 	#define portTICK_TYPE_IS_ATOMIC 0
 #endif
@@ -928,6 +932,10 @@ V8 if desired. */
 	#define pdTASK_CODE TaskFunction_t
 	#define xListItem ListItem_t
 	#define xList List_t
+
+	/* For libraries that break the list data hiding, and access list structure
+	members directly (which is not supposed to be done). */
+	#define pxContainer pvContainer
 #endif /* configENABLE_BACKWARD_COMPATIBILITY */
 
 #if( configUSE_ALTERNATIVE_API != 0 )
@@ -1033,7 +1041,9 @@ typedef struct xSTATIC_TCB
 	#if( INCLUDE_xTaskAbortDelay == 1 )
 		uint8_t ucDummy21;
 	#endif
-
+	#if ( configUSE_POSIX_ERRNO == 1 )
+		int				iDummy22;
+	#endif
 } StaticTask_t;
 
 /*
diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM3/portmacro.h b/FreeRTOS/Source/portable/IAR/ARM_CM3/portmacro.h
index 31994d2e9..2f85d5079 100644
--- a/FreeRTOS/Source/portable/IAR/ARM_CM3/portmacro.h
+++ b/FreeRTOS/Source/portable/IAR/ARM_CM3/portmacro.h
@@ -78,6 +78,12 @@ typedef unsigned long UBaseType_t;
 #define portBYTE_ALIGNMENT			8
 /*-----------------------------------------------------------*/
 
+/* Compiler directives. */
+#define portWEAK_SYMBOL				__attribute__( ( weak ) )
+
+/*-----------------------------------------------------------*/
+
+
 /* Scheduler utilities. */
 #define portYIELD()											\
 {															\
diff --git a/FreeRTOS/Source/tasks.c b/FreeRTOS/Source/tasks.c
index ceb863c58..65c0f7b27 100644
--- a/FreeRTOS/Source/tasks.c
+++ b/FreeRTOS/Source/tasks.c
@@ -336,6 +336,10 @@ typedef struct TaskControlBlock_t
 		uint8_t ucDelayAborted;
 	#endif
 
+	#if( configUSE_POSIX_ERRNO == 1 )
+		int iTaskErrno;
+	#endif
+
 } tskTCB;
 
 /* The old tskTCB name is maintained above then typedefed to the new TCB_t name
@@ -365,6 +369,12 @@ PRIVILEGED_DATA static List_t xPendingReadyList;						/*< Tasks that have been r
 
 #endif
 
+/* Global POSIX errno. Its value is changed upon context switching to match
+the errno of the currently running task. */
+#if ( configUSE_POSIX_ERRNO == 1 )
+	int FreeRTOS_errno = 0;
+#endif
+
 /* Other file private variables. --------------------------------*/
 PRIVILEGED_DATA static volatile UBaseType_t uxCurrentNumberOfTasks 	= ( UBaseType_t ) 0U;
 PRIVILEGED_DATA static volatile TickType_t xTickCount 				= ( TickType_t ) configINITIAL_TICK_COUNT;
@@ -2919,11 +2929,25 @@ void vTaskSwitchContext( void )
 		/* Check for stack overflow, if configured. */
 		taskCHECK_FOR_STACK_OVERFLOW();
 
+		/* Before the currently running task is switched out, save its errno. */
+		#if( configUSE_POSIX_ERRNO == 1 )
+		{
+			pxCurrentTCB->iTaskErrno = FreeRTOS_errno;
+		}
+		#endif
+
 		/* Select a new task to run using either the generic C or port
 		optimised asm code. */
 		taskSELECT_HIGHEST_PRIORITY_TASK(); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 		traceTASK_SWITCHED_IN();
 
+		/* After the new task is switched in, update the global errno. */
+		#if( configUSE_POSIX_ERRNO == 1 )
+		{
+			FreeRTOS_errno = pxCurrentTCB->iTaskErrno;
+		}
+		#endif
+
 		#if ( configUSE_NEWLIB_REENTRANT == 1 )
 		{
 			/* Switch Newlib's _impure_ptr variable to point to the _reent
-- 
2.39.5