On 05/21/2012 05:40 PM, Eric Blake wrote:
On 05/21/2012 02:19 PM, Corey Bryant wrote:
This patch provides support for the -filefd command line option.
This option will allow passing of a filename and its corresponding
file descriptor to QEMU at exec time.
Signed-off-by: Corey Bryant<coreyb@xxxxxxxxxxxxxxxxxx>
+DEF("filefd", HAS_ARG, QEMU_OPTION_filefd,
+ "-filefd file=<filename>,fd=<fd>\n"
I take it that if filename contains ',', then we have to escape it on
the command line? Is it worth passing fd first and file second by
default, as a possible way to avoid the need for escaping, or does the
option parser not care about ordering?
That's a good question. The options can be ordered either way so I
don't think we'll force fd to be specified first. I imagine this should
behave no differently than "-drive file=xyz,if=none,...". I ran a quick
test using -drive with a filename that had a comma, and (escaped or not)
it failed on the option parsing. So it looks like if you have a path
with a comma you're not going to have any luck.
--
Regards,
Corey
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