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mention issues with the protection of the list used in indications.c 

(part of work done to figure out what is used and what is not in lock.h)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@16124 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo 2006-03-29 16:00:51 +00:00
parent acacae4e68
commit 8f5bf61ef8
1 changed files with 10 additions and 0 deletions
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10
indications.c
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@ -336,6 +336,16 @@ static struct tone_zone *current_tonezone;
/* Protect the tone_zones list (highly unlikely that two things would change
* it at the same time, but still! */
AST_MUTEX_DEFINE_EXPORTED(tzlock);
/* XXX note - this is the only instance of AST_MUTEX_DEFINE_EXPORTED()
* in the entire asterisk code base, and should be replaced by a static one.
* The mutex is declared exported because it is accessed
* by other files, namely res/snmp/agent.c and res/res_indications.c.
* However there are also unprotected accesses to the list, because
* some of the functions below export pointers to the elements, so
* the entire mechanism is useless.
* This needs to be fixed by providing functions to navigate in the
* list, and refcounts to prevent entries from being destroyed.
*/
/* Set global indication country */
int ast_set_indication_country(const char *country)