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By calling talloc_set_memlimit() we can now set a max memory limit
for a whole talloc hierarchy.
ANy attempt to allocate memory beyond the max allowed for the whole
hierarchy wil cause an allocation failure.
Stealing memory correctly accounts for used memory in the old and the new
hierarchy but exceeding the memory limit in the new parent will not cause
a failure.
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We explicitly call free() on a pool which falls to zero, assuming it's
not inside another pool (we crash). Check on creation and explicitly
document this case.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Wed Apr 18 11:59:49 CEST 2012 on sn-devel-104
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Documents this function.
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Documents this function.
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Documents this function.
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Explains the difference between _append and _append_buffer.
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Explains the difference between _append and _append_buffer.
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The destination string is reallocated instead of duplicating the result.
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Explains the difference between _append and _append_buffer.
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The destination string is reallocated instead of duplicating the result.
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- Fix some typos
- Document better the differences in the behaviour between talloc 1.X and 2.X.
Previously this seemed a bit spongy to me.
Reviewed-by: Jelmer + Tridge
Autobuild-User: Matthias Dieter Wallnöfer <mdw@samba.org>
Autobuild-Date: Mon Apr 4 11:05:42 CEST 2011 on sn-devel-104
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Express better that this should be a pointer of a pointer.
Reviewed-by: Tridge
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Autobuild-User: Simo Sorce <idra@samba.org>
Autobuild-Date: Wed Oct 20 18:15:09 UTC 2010 on sn-devel-104
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pointers
(talloc.c)
...
> static inline int _talloc_free_internal(void *ptr, const char *location)
> {
> struct talloc_chunk *tc;
>
> if (unlikely(ptr == NULL)) {
> return -1;
> }
>
> tc = talloc_chunk_from_ptr(ptr);
...
Obviously this never had been documented before.
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Thanks to the suggestion from simo
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Signed-off-by: Stefan Metzmacher <metze@samba.org>
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teach the abi check scripts to skip the DOXYGEN sections
fix the header to use #ifdef DOXYGEN and not #if DOXYGEN
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Signed-off-by: Andrew Tridgell <tridge@samba.org>
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Signed-off-by: Andrew Tridgell <tridge@samba.org>
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When we disable null tracking, we need to move any existing objects
that are under the null_context to be parented by the true NULL
context.
We also need a new talloc_enable_null_tracking_no_autofree() function,
as the talloc testsuite cannot cope with the moving of the autofree
context under the null_context as it wants to check exact counts of
objects under the null_context, and smbtorture has a large number of
objects in the autofree_context from .init functions
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We also use the major and minor versions in the TALLOC_MAGIC,
so that we can detect if two conflicting versions of talloc
are loaded in one process. In this case we use talloc_log() to
output a very useful debug message before we call
talloc_abort().
metze
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metze
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So that the application can setup a log function to get ERROR
and WARNING messages.
metze
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These changes follow from the discussions on samba-technical. The
changes are in several parts, and stem from the inherent ambiguity
that was in talloc_free() and talloc_steal() when the pointer that is
being changes has more than one parent, via references.
The changes are:
1) when you call talloc_free() on a pointer with more than one parent
the free will fail, and talloc will log an error to stderr like this:
ERROR: talloc_free with references at some/foo.c:123
reference at other/bar.c:201
reference at other/foobar.c:641
2) Similarly, when you call talloc_steal() on a pointer with more
than one parent, the steal will fail and talloc will log an error to
stderr like this:
ERROR: talloc_steal with references at some/foo.c:123
reference at other/bar.c:201
3) A new function talloc_reparent() has been added to change a parent
in a controlled fashion. You need to supply both the old parent and
the new parent. It handles the case whether either the old parent was
a normal parent or a reference
The use of stderr in the logging is ugly (and potentially dangerous),
and will be removed in a future patch. We'll need to add a debug
registration function to talloc.
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metze
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comments"
This reverts commit d21212c9192b41a3fdc7e96cb9bf0125a1dc6c2d.
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This reverts commit ba42320c7e9f5ccbd32eccbfb1f2d77e13b3a318.
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This reverts commit cfce2d3611f225244fadf3d27d76371827fd6422.
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This reverts commit db447d0c476699dbf7fa0567c67f5938674ec811.
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This reverts commit 27944ed7452207ef3c686ff6bcd9c4e1cb7f36d8.
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This reverts commit 02662d56c64f367bffa2febba9a396c15454cfdb.
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This reverts commit 2ce70d4f5a30973b4cc083dbbb38b519007a31bd.
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This reverts commit 3f81649b8dcadb3bd424f41d803dbd59f770b9ba.
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This reverts commit 986c2e01cca0be993f1e52d3a27819f4044bfe4b.
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This reverts commit 59dff5745528a3efe585cdeb03e2bedd6b2e404a.
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