In short: POSIX does not define getsid() and tcgetsid().


matthew green <mrg@eterna.com.au> writes:

> can you check the posix definition of getsid() ?  it certainly was different
> to what the x/open stuff now says a few years back.  it didn't meantion
> process groups or pgid's, but "session ids" which were only guarenteed to
> be unique across sessions (see posix for a definition of "sessions".)  this
> usage and definition seems to be quite conflicting to me... one session can
> have several process groups attached to it.
> 
> hmm... i notice that solaris 2.6's getsid() conforms to x/open while the
> 2.5 one conforms to my memory of the posix getsid.
> 
> 
> (times like this, i really wish i still had the posix.1 standard handy...)