* Farooq Mela <[EMAIL PROTECTED]> [020312 21:56] wrote: > Alfred Perlstein wrote: > > > > * Farooq Mela <[EMAIL PROTECTED]> [020312 13:01] wrote: > > > > > > Rather than the usual recv() to a fixed size buffer, write() to the > > > file descriptor, loop, etc. However when I try to do this recv gives > > > me back an EFAULT (bad address). Is there a limitation of the > > > architecture which does not allows us to recv() to an mmap'ed area of > > > a file, or is it just something which hasn't been implemented? > > > > You may not extend a file using mmap(2), you must use ftuncate(2) > > or write(2). > > > > -Alfred > > I am aware of this, this is why I stated: > > > /* file_fd points to a regular file which is filled with SIZE nul > > bytes */ > > The file is already the required size.
Gah... oops :) Have you tried the mapping with PROT_READ as well? I don't think most arches allow for access without PROT_READ along with PROT_WRITE. -Alfred To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
