sys_sem_new() function

pointer of the semaphore

initial state of the semaphore

Signals a semaphore

Wait for a semaphore to be signaled

Sends a message to TCPIP thread to call a function. Caller thread blocks on on a provided semaphore, which ist NOT automatically signalled by TCPIP thread, this has to be done by the user. It is recommended to use LWIP_TCPIP_CORE_LOCKING since this is the way with least runtime overhead.

Delete a semaphore

Create a new mutex

Lock a mutex

Unlock a mutex

This function is implemented only in FreeRTOS port (ingroup sys_sem) and has no official API counterpart in lwip's sys.h declarations Signals a semaphore from ISR

Delete a mutex