In message <[EMAIL PROTECTED]>, John Baldwin writes:

>+       frame = td->td_frame;
>+       frame->tf_eax = retval;         /* Child returns zero */
>+       frame->tf_edx = aux;            /* I dunno */
>You could always ask about that instead of having a I dunno comment. :)
>I think that we no longer use 2 return values from syscalls for FreeBSD
>syscalls (I know we did for fork1() at one point, possibly still do
>so that 4.x libc works ok on 5.x kernel).  Linux does depend on edx being
>preserved across a syscall though IIRC.

We do for 64bit returns like lseek(2)

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED]         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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