Re: [Valgrind-developers] Re: [Valgrind-users] epoll diff for valgrind 2.1 available

[Jeremy F. <je...@go...>]

On Sat, 2004-02-14 at 07:20, Nicholas Nethercote wrote:
> Two things I'm not sure about:
> 
> 1. There's a record_fd_open() in vg_syscalls.c:check_cmsg_for_fds().  I
> don't know if this needs to be checked;  the man page says that recvmsg()
> can be used to pass fds over sockets... and EMFILE (or ENFILE) aren't
> among the error values that recvmsg() can return.
> 
> 2. The man pages for futex() also don't list EMFILE (or ENFILE) as one of
> the allowed error values.
> 
> Can someone else take a look at this?  Thanks.

I think these are both documentation oversights.  The kernel will
definitely return ENFILE from futex(); I'm not sure about recvmsg; it
might return EBADF (which would be confusing).

	J