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Introduce a new API call ast_channel_search_locked, which iterates through the

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channel list calling a caller-defined callback.  The callback returns non-zero
if a match is found.  This should speed up some of the code that I committed
earlier today in chan_sip (which is also updated by this commit).

Reviewed by russellb and kpfleming via ReviewBoard:
	http://reviewboard.digium.com/r/28/


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@154429 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Sean Bright
2008-11-04 23:23:39 +00:00
parent bdb21bef93
commit 086a52d9d1
3 changed files with 42 additions and 11 deletions
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11
include/asterisk/channel.h
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@@ -1177,6 +1177,17 @@ struct ast_channel *ast_get_channel_by_exten_locked(const char *exten, const cha
struct ast_channel *ast_walk_channel_by_exten_locked(const struct ast_channel *chan, const char *exten,
const char *context);
/*! \brief Search for a channel based on the passed channel matching callback
* Search for a channel based on the specified is_match callback, and return the
* first channel that we match. When returned, the channel will be locked. Note
* that the is_match callback is called with the passed channel locked, and should
* return 0 if there is no match, and non-zero if there is.
* \param is_match callback executed on each channel until non-zero is returned, or we
* run out of channels to search.
* \return Returns the matched channel, or NULL if no channel was matched.
*/
struct ast_channel *ast_channel_search_locked(int (*is_match)(struct ast_channel *));
/*! ! \brief Waits for a digit
* \param c channel to wait for a digit on
* \param ms how many milliseconds to wait