On 29 Jan 1999, Stephen Zander wrote: > >>>>> "Scott" == Scott K Ellis <[EMAIL PROTECTED]> writes: > > Scott> On Fri, 29 Jan 1999, Russell Coker wrote: > >> What is a close(-1) supposed to do? The http program does one > >> and I'm curious as to why... > > Scott> IIRC, close(-1) closes all open file handles. I'm not > Scott> certain exactly wher this is documented though. > > Actually, it shouldn't do anything. What's most likely is the source > has multiple code paths after the opening of some file descriptor & > rather than do error checking in each code path, the programmer > elected to to close the file descriptor just prior to exiting that > block of code. When the open fails for hatever reason, the return > code from open/socket/whatever is -1. > > IOW, close (-1) is an ignorable non-op (unless, of course, you were > trying to get to the previous value of errno :))
Okay, so I didn't recall correctly :)
