"mini roadmap" for userland for 3.7-dev branch

[John Marino]

ah, another one: semaphores

> man sem_open

> SEM_OPEN(3) DragonFly Library Functions Manual           
> NAME
>      sem_open, sem_close, sem_unlink -- named semaphore operations
> LIBRARY
>      POSIX Threads Library (libpthread, -lpthread)
> SYNOPSIS
>      #include <semaphore.h>
> 
>      sem_t *
>      sem_open(const char *name, int oflag, ...);
> 
>      int
>      sem_close(sem_t *sem);
> 
>      int
>      sem_unlink(const char *name);
> 
> DESCRIPTION
>      The sem_open(), sem_close(), and sem_unlink() functions are not supported
>      by this implementation.


I'm starting to hit problems due to semaphores not being implemented on
DragonFly, so let's call this #11

John