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(This used to be commit 3f776a9b5c240312f161b651201458e43a9dd6a9)
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MEASURING TALLOC VS MALLOC SPEED
talloc: 279154 ops/sec
malloc: 318758 ops/sec
which I think is an acceptable overhead for the increased functionality
(This used to be commit 91669ea830c16db2730c5e43a7cad26d9db5c585)
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possible to a structure creation routine. This makes for much easier
global cleanup.
(This used to be commit e14ee428ec357fab76a960387a9820a673786e27)
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The problem was that the simple "uint_t ref_count;" in a talloc chunk
did not give enough information. It told us that a pointer was
referenced more than once, but it didn't say who it was referenced
by. This means that when the pointer was freed we had no sane way to
clean up the reference.
I have now replaced ref_count with a "refs" list, which means that
references point to the pointer, and the pointer has a linked list of
references. So now we can cleanup from either direction without losing track of anything.
I've also added a LOCAL-TALLOC smbtorture test that tests talloc
behaviour for some common uses.
(This used to be commit 911a8d590cb184bcb892810729955c2c4cf02550)
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(This used to be commit b2f4532e906e1a5bf134812072aad211ba2d01bb)
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standard
doesn't allow them to! I think the idea is that you just create a new
interface that inherits your old interface, thus ensuring backwards-compatibility)
Re-enable to validator
(This used to be commit e364e46a88e5a222c94cdb9cf8e7a124e43f0bcf)
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(This used to be commit 9e74144aa8e5f9a8b6e3d5293833c4afeebeddb0)
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- Start working on OXIDResolver interface
- Add torture test for SimplePing()
(This used to be commit b54d14a01a71082251ff926ab57974c6eb3c0a41)
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(This used to be commit ddd74dae8efe4e04b5a56ee9ecd9d4f87f99d104)
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(This used to be commit 35135033ffbae42a3a946ea30ba46f6ed9b12898)
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- add some debug messages
metze
(This used to be commit 1de1beca66da68e5af0869629d2c50016c25e776)
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(This used to be commit 3d587a7141908362657afc2dfd0c78d73a5fed07)
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Add delete functionality to ldb simple lda server backend
add some const in ldap.h
(This used to be commit 5ed9a6eb184f34eb572dd81202237042518ec7cd)
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- use the return code of the functions
and only call ldapsrv_terminate_connection from ldapsrv_recv() or ldapsrv_send()
- the rootdse is now a normal partition
metze
(This used to be commit af1501a28d700f90cd2243fbfdce6527a0f62961)
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(This used to be commit b7ac0cb692ea373f754d7a40b44a7b0756459287)
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metze
(This used to be commit d1e8b340a9942553ec7f281affd11ea4315ac448)
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(thanks simo:-)
metze
(This used to be commit e62cd75d3786f3d638ac2a27d6e864c826eaa48f)
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multibyte
sequences)
(This used to be commit b90da2337b83eb261a8072f9d0b13ec28caf3c4d)
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(This used to be commit 4668384717eda878583477b8f455809056885120)
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metze
(This used to be commit 740347255b8f1aafda1ebd10d63fdde1c4041af0)
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which exports data from a ldb.
I commit this code, so that someone can help me to find a strange
bug
metze
(This used to be commit 67bb49172567af9d106ded55c1257b808d2a97ff)
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simplifies things quite a bit
(This used to be commit c82a9cf750829c4f6982ca3133295c8599023c4e)
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(This used to be commit 9087fab0adcf1791caeb795509ca9f14f5f47e82)
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(This used to be commit f3844cc0a5ad6b03f166435d44db02763df345d7)
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circular references (circular references are allowed, they just need
to be handled carefully inside talloc)
- mark talloc_reference() pointers nicely in the --leak-report-full
code, so you see what has a reference to what in a useful manner
(This used to be commit a87d3d11344069284604a7294a54cadcc6e1a096)
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RPC-SAMR torture test. This closes the samr connection before working
on a open domain handle. The server is supposed to know that the open
domain handle still holds a reference to the connection, so the
connection remains valid even though it has been closed.
(This used to be commit f31e5d56e364ce8ab76fdb20b30e179b458b2ffa)
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void *talloc_reference(const void *context, const void *ptr);
this function makes a secondary reference to ptr, and hangs it off the
given context. This greatly simplifies some of the current reference
counting code in the samr server and I suspect it will be widely used
in other places too.
the way you use it is like this:
domain_state->connect_state = talloc_reference(domain_state, connect_state);
that makes the element connect_state of domain_state a secondary
reference to connect_state. The connect_state structure will then only
be freed when both domain_state and the original connect_state go
away, allowing you to free them independently and in any order.
you could do this alrady using a talloc destructor, and that is what
the samr server did previously, but that meant this construct was
being reinvented in several places. So this convenience function sets
up the destructor for you, giving a much more convenient and less
error prone API.
(This used to be commit dc5315086156644fad093cbe6b02d999adba8540)
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a const pointer really means that "the data pointed to by this pointer
won't change", and that is certainly true of talloc(). The fact that
some behind-the-scenes meta-data can change doesn't matter from the
point of view of const.
this fixes a number of const warnings caused by const data structures
being passed as talloc contexts. That will no longer generate a
warning.
also changed the talloc leak reporting option from --leak-check to
--leak-report, as all it does is generate a report on exit. A new
--leak-report-full option has been added that shows the complete tree
of memory allocations, which is is quite useful in tracking things down.
NOTE: I find it quite useful to insert talloc_report_full(ptr, stderr)
calls at strategic points in the code while debugging memory
allocation problems, particularly before freeing a major context (such
as the connection context). This allows you to see if that context has
been accumulating too much data, such as per-request data, which
should have been freed when the request finished.
(This used to be commit c60ff99c3129c26a9204bac1c6e5fb386114a923)
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existing call rather than creating a new one. This prevents call
structures hanging around on the rpc connection context until it is
closed
(This used to be commit c51ca7c0e73b97435c245cd440a4fb979cf6a4f3)
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call name
(This used to be commit 015db2ed8cdde6d6eb79857cb9b6d72185382acc)
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taking a context (so when you pass a NULL pointer you end up with
memory in a top level context). Fixed it by changing the API to take a
context. The context is only used if the pointer you are reallocing is
NULL.
(This used to be commit 8dc23821c9f54b2f13049b5e608a0cafb81aa540)
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disconnects. Previously the ldb was always kept open.
(This used to be commit d78eea9eb8540f137d30aef5fbb397295312eb1b)
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(This used to be commit 278cef77f083c002d17ecbbe18c20825a380eda3)
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the cli context too
(This used to be commit 417d0c0ba182aab3a3a23db76ff7ac7cbc663cb6)
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and 4.0 don't accept declarations of static functions inside other
functions, see http://gcc.gnu.org/ml/gcc-patches/2004-08/msg02514.html
(This used to be commit 8768168aadf51b9559831954e349d9aa94101c41)
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report from --leak-check
(This used to be commit 1ff41bbcae8dc7514a85d69679e44dc7c5b0342f)
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(This used to be commit 2662be3a2be04aa7f4dcfde3453389595bf43496)
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(This used to be commit 00518201754dc2de583267071ebd2adecbadcb59)
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This sort of bug happens quite easily with the new talloc_realloc()
interface. talloc_realloc() now looks like this:
void *talloc_realloc(void *ptr, size_t size);
and if ptr is not NULL then everything is fine. If ptr is NULL then
talloc_realloc() presumes you want to allocate in the NULL context,
which is probably not what is wanted.
For now the solution is to initialise ptr like this:
ptr = talloc(mem_ctx, 0);
so when the realloc happens it has a context to get hold of.
I might change the interface of talloc_realloc() later to prevent this
problem in a more robust manner
(This used to be commit bd813dfb1b08b586dc71f9cec4eb65b35ea808fe)
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rather than manual reference counts
- properly support SMBexit in the cifs and posix backends
- added a logoff method to all backends
With these changes the RAW-CONTEXT test now passes against the posix backend
(This used to be commit c315d6ac1cc40546fde1474702a6d66d07ee13c8)
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(This used to be commit 770aa7e01e68df1fd8538c5b19b63a8545bb0355)
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(This used to be commit 18632ec56524f294655d881406c10beb659ddee1)
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is ignored
(This used to be commit 50d5c638a3710855be67cd41dccc9658d64b70fd)
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don't actually work yet, that will come later)
(This used to be commit 46b790c19da25ba88d29f555f828688bb05e531d)
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smbcli raw context handling
(This used to be commit d5fd6388751944f11c34e5124d403d57c8670e3b)
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of 16 bytes, caused by the 16 byte data_blob in the smb_signing
code.
(This used to be commit 2f1b788e09686e065d22f621f5c0c585192c6740)
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- talloc_strdup() and related functions get automatic names
(This used to be commit 0cf427d14fe0a19cb3e85b6191be220f3d81080a)
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(This used to be commit 4aba6e7101041100f7d400abd5e7144b95528fc3)
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to get auto-naming of pointers very cheaply.
- fixed a couple of memory leaks found with the new tricks
A typical exit report for smbd is now:
talloc report on 'null_context' (total 811 bytes in 54 blocks)
auth/auth_sam.c:334 contains 20 bytes in 1 blocks
struct auth_serversupplied_info contains 498 bytes in 33 blocks
UNNAMED contains 8 bytes in 1 blocks
lib/data_blob.c:40 contains 16 bytes in 1 blocks
iconv(CP850,UTF8) contains 61 bytes in 4 blocks
iconv(UTF8,CP850) contains 61 bytes in 4 blocks
iconv(UTF8,UTF-16LE) contains 67 bytes in 4 blocks
iconv(UTF-16LE,UTF8) contains 67 bytes in 4 blocks
UNNAMED contains 13 bytes in 1 blocks
which is much better than before
(This used to be commit 6e721393d03afd3c2f8ced8422533547a9e33342)
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connection termination cleanup, and to ensure that the event
contexts are properly removed for every process model
- gave auth_context the new talloc treatment, which removes another
source of memory leaks.
(This used to be commit 230e1cd777b0fba82dffcbd656cfa23c155d0560)
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