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-/**
- * @mainpage
- *
- * talloc is a hierarchical, reference counted memory pool system with
- * destructors. It is the core memory allocator used in Samba.
- *
- * @section talloc_download Download
- *
- * You can download the latest releases of talloc from the
- * <a href="http://samba.org/ftp/talloc" target="_blank">talloc directory</a>
- * on the samba public source archive.
- *
- * @section main-tutorial Tutorial
- *
- * You should start by reading @subpage libtalloc_tutorial, then reading the documentation of
- * the interesting functions as you go.
-
- * @section talloc_bugs Discussion and bug reports
- *
- * talloc does not currently have its own mailing list or bug tracking system.
- * For now, please use the
- * <a href="https://lists.samba.org/mailman/listinfo/samba-technical" target="_blank">samba-technical</a>
- * mailing list, and the
- * <a href="http://bugzilla.samba.org/" target="_blank">Samba bugzilla</a>
- * bug tracking system.
- *
- * @section talloc_devel Development
- * You can download the latest code either via git or rsync.
- *
- * To fetch via git see the following guide:
- *
- * <a href="http://wiki.samba.org/index.php/Using_Git_for_Samba_Development" target="_blank">Using Git for Samba Development</a>
- *
- * Once you have cloned the tree switch to the master branch and cd into the
- * lib/tevent directory.
- *
- * To fetch via rsync use this command:
- *
- * rsync -Pavz samba.org::ftp/unpacked/standalone_projects/lib/talloc .
- *
- * @section talloc_preample Preamble
- *
- * talloc is a hierarchical, reference counted memory pool system with
- * destructors.
- *
- * Perhaps the biggest difference from other memory pool systems is that there
- * is no distinction between a "talloc context" and a "talloc pointer". Any
- * pointer returned from talloc() is itself a valid talloc context. This means
- * you can do this:
- *
- * @code
- *      struct foo *X = talloc(mem_ctx, struct foo);
- *      X->name = talloc_strdup(X, "foo");
- * @endcode
- *
- * The pointer X->name would be a "child" of the talloc context "X" which is
- * itself a child of mem_ctx. So if you do talloc_free(mem_ctx) then it is all
- * destroyed, whereas if you do talloc_free(X) then just X and X->name are
- * destroyed, and if you do talloc_free(X->name) then just the name element of
- * X is destroyed.
- *
- * If you think about this, then what this effectively gives you is an n-ary
- * tree, where you can free any part of the tree with talloc_free().
- *
- * If you find this confusing, then run the testsuite to watch talloc in
- * action. You may also like to add your own tests to testsuite.c to clarify
- * how some particular situation is handled.
- *
- * @section talloc_performance Performance
- *
- * All the additional features of talloc() over malloc() do come at a price. We
- * have a simple performance test in Samba4 that measures talloc() versus
- * malloc() performance, and it seems that talloc() is about 4% slower than
- * malloc() on my x86 Debian Linux box. For Samba, the great reduction in code
- * complexity that we get by using talloc makes this worthwhile, especially as
- * the total overhead of talloc/malloc in Samba is already quite small.
- *
- * @section talloc_named Named blocks
- *
- * Every talloc chunk has a name that can be used as a dynamic type-checking
- * system. If for some reason like a callback function you had to cast a
- * "struct foo *" to a "void *" variable, later you can safely reassign the
- * "void *" pointer to a "struct foo *" by using the talloc_get_type() or
- * talloc_get_type_abort() macros.
- *
- * @code
- *      struct foo *X = talloc_get_type_abort(ptr, struct foo);
- * @endcode
- *
- * This will abort if "ptr" does not contain a pointer that has been created
- * with talloc(mem_ctx, struct foo).
- *
- * @section talloc_threading Multi-threading
- *
- * talloc itself does not deal with threads. It is thread-safe (assuming the
- * underlying "malloc" is), as long as each thread uses different memory
- * contexts.
- *
- * If two threads uses the same context then they need to synchronize in order
- * to be safe. In particular:
- *
- *   - when using talloc_enable_leak_report(), giving directly NULL as a parent
- *     context implicitly refers to a hidden "null context" global variable, so
- *     this should not be used in a multi-threaded environment without proper
- *     synchronization.
- *   - the context returned by talloc_autofree_context() is also global so
- *     shouldn't be used by several threads simultaneously without
- *     synchronization.
- *
- */