FreeRTOS Kernel Spelling Update

* Added spell check to kernel repository.
* Fixed small spelling errors in various kernel source files.

Note: Only kernel files are checked for spelling, and portable files are ignored.

.github/workflows/ci.ym

@@ -0,0 +1,34 @@
+name: CI Checks
+on:
+  push:
+    branches: [master]  
+  pull_request:
+    branches: [master]
+  workflow_dispatch:
+jobs:
+  spell-check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Parent Repo
+        uses: actions/checkout@v2
+        with:
+          ref: master
+          repository: aws/aws-iot-device-sdk-embedded-C
+      - name: Clone This Repo
+        uses: actions/checkout@v2
+      - name: Install spell
+        run: |
+          sudo apt-get install spell
+          sudo apt-get install util-linux
+      - name: Check spelling
+        run: |
+          PATH=$PATH:$PWD/tools/spell
+          # Make sure that the portable directory is not included in the spellcheck.
+          sed -i 's/find $DIRNAME/find $DIRNAME -not -path '*portable*'/g' tools/spell/find-unknown-comment-words
+          find-unknown-comment-words --directory FreeRTOS-Kernel/
+          if [ "$?" = "0" ]; then
+            exit 0
+          else
+            exit 1
+          fi
+

include/event_groups.h

@@ -670,7 +670,7 @@ EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup,
  *      xEventGroupSync( xEventBits, TASK_1_BIT, ALL_SYNC_BITS, portMAX_DELAY );
  *
  *      // xEventGroupSync() was called with an indefinite block time, so
- *      // this task will only reach here if the syncrhonisation was made by all
+ *      // this task will only reach here if the synchronisation was made by all
  *      // three tasks, so there is no need to test the return value.
  *   }
  * }
@@ -689,7 +689,7 @@ EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup,
  *      xEventGroupSync( xEventBits, TASK_2_BIT, ALL_SYNC_BITS, portMAX_DELAY );
  *
  *      // xEventGroupSync() was called with an indefinite block time, so
- *      // this task will only reach here if the syncrhonisation was made by all
+ *      // this task will only reach here if the synchronisation was made by all
  *      // three tasks, so there is no need to test the return value.
  *  }
  * }

include/queue.h

@@ -1535,7 +1535,7 @@ BaseType_t xQueueGiveMutexRecursive( QueueHandle_t xMutex ) PRIVILEGED_FUNCTION;
 #endif
 
 /*
- * Generic version of the function used to creaet a queue using dynamic memory
+ * Generic version of the function used to create a queue using dynamic memory
  * allocation.  This is called by other functions and macros that create other
  * RTOS objects that use the queue structure as their base.
  */
@@ -1546,7 +1546,7 @@ BaseType_t xQueueGiveMutexRecursive( QueueHandle_t xMutex ) PRIVILEGED_FUNCTION;
 #endif
 
 /*
- * Generic version of the function used to creaet a queue using dynamic memory
+ * Generic version of the function used to create a queue using dynamic memory
  * allocation.  This is called by other functions and macros that create other
  * RTOS objects that use the queue structure as their base.
  */

include/task.h

@@ -3023,7 +3023,7 @@ eSleepModeStatus eTaskConfirmSleepModeStatus( void ) PRIVILEGED_FUNCTION;
 TaskHandle_t pvTaskIncrementMutexHeldCount( void ) PRIVILEGED_FUNCTION;
 
 /*
- * For internal use only.  Same as vTaskSetTimeOutState(), but without a critial
+ * For internal use only.  Same as vTaskSetTimeOutState(), but without a critical
  * section.
  */
 void vTaskInternalSetTimeOutState( TimeOut_t * const pxTimeOut ) PRIVILEGED_FUNCTION;

stream_buffer.c

@@ -51,7 +51,7 @@
 /* If the user has not provided application specific Rx notification macros,
  * or #defined the notification macros away, them provide default implementations
  * that uses task notifications. */
-/*lint -save -e9026 Function like macros allowed and needed here so they can be overidden. */
+/*lint -save -e9026 Function like macros allowed and needed here so they can be overridden. */
 #ifndef sbRECEIVE_COMPLETED
     #define sbRECEIVE_COMPLETED( pxStreamBuffer )                         \
     vTaskSuspendAll();                                                    \
@@ -750,7 +750,7 @@ static size_t prvWriteMessageToBuffer( StreamBuffer_t * const pxStreamBuffer,
     if( xShouldWrite != pdFALSE )
     {
         /* Writes the data itself. */
-        xReturn = prvWriteBytesToBuffer( pxStreamBuffer, ( const uint8_t * ) pvTxData, xDataLengthBytes ); /*lint !e9079 Storage buffer is implemented as uint8_t for ease of sizing, alighment and access. */
+        xReturn = prvWriteBytesToBuffer( pxStreamBuffer, ( const uint8_t * ) pvTxData, xDataLengthBytes ); /*lint !e9079 Storage buffer is implemented as uint8_t for ease of sizing, alignment and access. */
     }
     else
     {