[−][src]Function mynewt::kernel::os::os_sem_pend

pub unsafe extern "C" fn os_sem_pend(
    sem: *mut os_sem, 
    timeout: os_time_t
) -> os_error_t

os sem pend

Pend (wait) for a semaphore.

  • mu: Pointer to semaphore.
  • timeout: Timeout, in os ticks. A timeout of 0 means do not wait if not available. A timeout of OS_TIMEOUT_NEVER means wait forever.

Return: os_error_t OS_INVALID_PARM Semaphore passed in was NULL. OS_TIMEOUT Semaphore was owned by another task and timeout=0 OS_OK no error.