diff options
Diffstat (limited to 'include/queue.h')
-rw-r--r-- | include/queue.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/include/queue.h b/include/queue.h index b00a07f37..c6497b5b6 100644 --- a/include/queue.h +++ b/include/queue.h @@ -1185,9 +1185,12 @@ void vQueueDelete( QueueHandle_t xQueue ) PRIVILEGED_FUNCTION; * { * // Writing to the queue caused a task to unblock and the unblocked task * // has a priority higher than or equal to the priority of the currently - * // executing task (the task this interrupt interrupted). Perform a context + * // executing task (the task this interrupt interrupted). Perform a context * // switch so this interrupt returns directly to the unblocked task. - * portYIELD_FROM_ISR(); // or portEND_SWITCHING_ISR() depending on the port. + * // The macro used is port specific and will be either + * // portYIELD_FROM_ISR() or portEND_SWITCHING_ISR() - refer to the documentation + * // page for the port being used. + * portYIELD_FROM_ISR( xHigherPriorityTaskWoken ); * } * } * @endcode @@ -1260,8 +1263,11 @@ void vQueueDelete( QueueHandle_t xQueue ) PRIVILEGED_FUNCTION; * // Now the buffer is empty we can switch context if necessary. * if( xHigherPriorityTaskWoken ) * { - * // Actual macro used here is port specific. - * portYIELD_FROM_ISR (); + * // As xHigherPriorityTaskWoken is now set to pdTRUE then a context + * // switch should be requested. The macro used is port specific and + * // will be either portYIELD_FROM_ISR() or portEND_SWITCHING_ISR() - + * // refer to the documentation page for the port being used. + * portYIELD_FROM_ISR( xHigherPriorityTaskWoken ); * } * } * @endcode @@ -1337,11 +1343,14 @@ void vQueueDelete( QueueHandle_t xQueue ) PRIVILEGED_FUNCTION; * * } while( portINPUT_BYTE( BUFFER_COUNT ) ); * - * // Now the buffer is empty we can switch context if necessary. Note that the - * // name of the yield function required is port specific. + * // Now the buffer is empty we can switch context if necessary. * if( xHigherPriorityTaskWokenByPost ) * { - * portYIELD_FROM_ISR(); + * // As xHigherPriorityTaskWokenByPost is now set to pdTRUE then a context + * // switch should be requested. The macro used is port specific and + * // will be either portYIELD_FROM_ISR() or portEND_SWITCHING_ISR() - + * // refer to the documentation page for the port being used. + * portYIELD_FROM_ISR( xHigherPriorityTaskWokenByPost ); * } * } * @endcode |