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named_locks: Use ao2_weakproxy to deal with cleanup from container.

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This allows standard ao2 functions to be used to release references to
an ast_named_lock.  This change can cause less frequent locking of the
global named_locks container.  The container is no longer locked when a
named_lock reference is being release except when this causes the
named_lock to be destroyed.

Change-Id: I644e39c6d83a153d71b3fae77ec05599d725e7e6
This commit is contained in:
Corey Farrell
2016-08-18 14:28:57 -04:00
parent 0c5b6e9ff5
commit 131baf70d6
2 changed files with 60 additions and 35 deletions
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10
include/asterisk/named_locks.h
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@@ -48,7 +48,7 @@
* To use a named lock:
* Call ast_named_lock_get with the appropriate keyspace and key.
* Use the standard ao2 lock/unlock functions as needed.
* Call ast_named_lock_put when you're finished with it.
* Call ao2_cleanup when you're finished with it.
*/
/*!
@@ -66,9 +66,6 @@ struct ast_named_lock;
struct ast_named_lock *__ast_named_lock_get(const char *filename, int lineno, const char *func,
enum ast_named_lock_type lock_type, const char *keyspace, const char *key);
int __ast_named_lock_put(const char *filename, int lineno, const char *func,
struct ast_named_lock *lock);
/*!
* \brief Geta named lock handle
* \since 13.9.0
@@ -92,11 +89,8 @@ int __ast_named_lock_put(const char *filename, int lineno, const char *func,
* \since 13.9.0
*
* \param lock The pointer to the ast_named_lock structure returned by ast_named_lock_get
* \retval 0 Success
* \retval -1 Failure
*/
#define ast_named_lock_put(lock) \
__ast_named_lock_put(__FILE__, __LINE__, __PRETTY_FUNCTION__, lock)
#define ast_named_lock_put(lock) ao2_cleanup(lock)
/*!
* @}