sem_name -> /dev/sem

hi,

i am using neutrino 6.3.2, question about named semaphor

sem_open(/foo/bar) the space entry should be → /foo/bar

docu: sem_open()

name Pathname space entry
entry CWD/entry
/entry /dev/sem/entry
entry/newentry CWD/entry/newentry
/entry/newentry /entry/newentry

but the effective entriy is /dev/sem/</foo/bar>

??? any here can explain why?