KERNEL

WHAT'S NEW

FreeRTOS website now available in Simplified Chinese

Search and browse content in your preferred language. See the blog post.

New FreeRTOS Long Term Support version now available.

Receive security patches and critical bug fixes on FreeRTOS libraries for two years. See the blog post.

FreeRTOS Extended Maintenance Program (EMP) registration now open.

Providing security patches and critical bug fixes on FreeRTOS Long Term Support (LTS) versions for up to 10 additional years. See the blog post.

FreeRTOS-Plus-TCP v3.0.0 released:

We've added comprehensive unit tests and penetration and protocol testing. See the blog post.

Featured FreeRTOS IoT Integrations:

Introducing three featured integrations for more secure IoT applications. See the blog post.

Semaphores
[API]

TIP: 'Task Notifications' can provide a light weight alternative to semaphores in many situations

Modules

semphr.h

void vSemaphoreDelete( SemaphoreHandle_t xSemaphore );

Deletes a semaphore, including mutex type semaphores and recursive semaphores.

Do not delete a semaphore that has tasks blocked on it (tasks that are in the Blocked state waiting for the semaphore to become available).

Parameters:

xSemaphore

The handle of the semaphore being deleted.