Function mynewt::kernel::os::os_sem_init

pub unsafe extern "C" fn os_sem_init(
    sem: *mut os_sem, 
    tokens: u16
) -> os_error_t

Initialize a semaphore

• sem: Pointer to semaphore tokens: # of tokens the semaphore should contain initially.

Return: os_error_t OS_INVALID_PARM Semaphore passed in was NULL. OS_OK no error.