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matching va_end() for each va_copy(). This doesn't matter for most
architectures, but there could be some obscure ones where it does
matter.
some of this should be ported to Samba3
in the talloc benchmark. These changes were driven by some cachegrind
profiles, with the biggest improvements coming from inlining some
functions.
I don't think it would be a good idea to start spreading inline and
likely()/unlikely() in other parts of Samba, as the benefit in most
code will be very small, but talloc() is such a speed critical part of
Samba that I think these changes are worthwhile
- talloc_free(talloc_autofree_context()); should not result
in a SIGABORT on exit
- add a test for this, but this test can also pass in the standalone build
and samba3, as samba4 uses talloc_autofree_context()
metze
meant for moving pointers between structures. The difference is that
talloc_move() will zero the source pointer, thus ensuring you don't
reference the pointer in the old context.
talloc_move() is appropriate in some, but not all cases where we use
talloc_steal() now. The interface came out of a discussion with
Jeremy.
isolation of our portability environment from the main code, and also
simplifies the includes system (no separate #ifdef _SAMBA_BUILD for
tdb. ldb etc now)
to do the actual report.
- make the talloc_report_depth_file() a wrapper of it
- and talloc_report() and talloc_report_full() are wrapper of
talloc_report_depth_file()
metze
type safe. This only works on recent gcc versions. With other
compilers it reverts to a non-typesafe cast
The patch also ensures that talloc_free() does not change error on
systems where free() can change errno
have a structure that references one of its parents, and a parent of
that parent is freed, then the whole structure should be freed, not
just the reference.
this was found by the change notify code, as a side effect of fixing
the memory leak yesterday