[PATCH] unbreak vfork on cris architecture
Mike Frysinger
vapier at gentoo.org
Mon Mar 21 14:37:04 UTC 2011
On Mon, Mar 21, 2011 at 10:24 AM, Waldemar Brodkorb wrote:
> unfortunately the common vfork implementation, which just use
> the syscall function to interact with the kernel, does not work
> on the cris architecture. The system call vfork is special, on most
> architectures just calling syscall is not enough.
> The patch below adds the vfork implementation from klibc.
> License should be compatible.
this lacks an explanation as to why vfork is so special on cris.
different calling convention ? different return values ? something
else ?
your simple implementation is probably incorrect -- errno cannot be
referenced directly.
-mike
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