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Add some notes on the behavior of ao2_unlink() after a discussion with Tilghman

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@90310 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-11-30 18:46:46 +00:00
parent daf94226d5
commit 82757dfaa1
1 changed files with 18 additions and 1 deletions
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19
include/asterisk/astobj2.h
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@@ -367,7 +367,24 @@ int ao2_container_count(struct ao2_container *c);
*/
#define ao2_link(c, o) __ao2_link(c, o, 0)
void *__ao2_link(struct ao2_container *c, void *newobj, int iax2_hack);
void *ao2_unlink(struct ao2_container *c, void *newobj);
/*!
* \brief Remove an object from the container
*
* \arg c the container
* \arg obj the object to unlink
*
* \retval NULL, always
*
* \note The object requested to be unlinked must be valid. However, if it turns
* out that it is not in the container, this function is still safe to
* be called.
*
* \note If the object gets unlinked from the container, the container's
* reference to the object will be automatically released. This is
* slightly different than ao2_link(), which inherits a reference instead
* of automatically increasing the reference count.
*/
void *ao2_unlink(struct ao2_container *c, void *obj);
/*! \struct Used as return value if the flag OBJ_MULTIPLE is set */
struct ao2_list {