I agree that breaking coherence is bad, though I find fcntl is the kind of
functions to use when you don't have a more specific one:)
then I'd propose
int fdcloseall(int start);
(I remember having seen some closeall() function in M$ windows
I think there is such function in M$ windows, so while I didn't sell my soul to
Bill, I don't see enough reason to choose a new one (that said, I'm not sure of
the syntax and use there...).
Note that unlike fcntl() change, this requires adding a syscall, and remaking
libc.
I'm gonna work on this (and put in the optimization idea suggested by Matt).
regards,
mouss
On Sat, 27 Jan 2001, Garance A Drosihn wrote:
>
> [snip]
> void closeallfds(int start);
>
> While I understand that defining a new routine is more work
> than just adding a parameter to an existing routine, I do
> think it is more appropriate to have that new routine than
> to use fcntl for this. The description for fcntl says the
> first parameter is:
> a descriptor to be operated on by 'cmd' as
> described below.
> For the proposed F_CLOSEM command, it does not operate on the
> GIVEN fd, it operates on a whole bunch of OTHER fd's. This
> means that a program which calls fcntl with a cmd-argument
> which is different than the programmer thinks is being passed
> could cause some pretty painful-to-debug errors in sections of
> the program which have nothing to do with the section that has
> the bug.
> [snip]
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