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Merged revisions 114107 via svnmerge from

Browse Source 
https://origsvn.digium.com/svn/asterisk/trunk

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r114107 | mmichelson | 2008-04-14 10:01:36 -0500 (Mon, 14 Apr 2008) | 13 lines

Merged revisions 114106 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r114106 | mmichelson | 2008-04-14 09:58:02 -0500 (Mon, 14 Apr 2008) | 5 lines

Save a local copy of the generate callback prior to unlocking the channel in
case the generate callback goes NULL on us after the channel is unlocked. Thanks
to Russell for pointing this need out to me.


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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@114108 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
2008-04-14 15:02:43 +00:00
parent e2f8a90b78
commit c243c96214
1 changed files with 6 additions and 1 deletions
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7
main/channel.c
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@@ -2255,6 +2255,7 @@ static void ast_read_generator_actions(struct ast_channel *chan, struct ast_fram
{
if (chan->generatordata && !ast_internal_timing_enabled(chan)) {
void *tmp = chan->generatordata;
int (*generate)(struct ast_channel *chan, void *tmp, int datalen, int samples) = NULL;
int res;
int samples;
@@ -2273,6 +2274,10 @@ static void ast_read_generator_actions(struct ast_channel *chan, struct ast_fram
} else {
samples = f->samples;
}
if (chan->generator->generate) {
generate = chan->generator->generate;
}
/* This unlock is here based on two assumptions that hold true at this point in the
* code. 1) this function is only called from within __ast_read() and 2) all generators
* call ast_write() in their generate callback.
@@ -2282,7 +2287,7 @@ static void ast_read_generator_actions(struct ast_channel *chan, struct ast_fram
* avoidance not to work in deeper functions
*/
ast_channel_unlock(chan);
res = chan->generator->generate(chan, tmp, f->datalen, samples);
res = generate(chan, tmp, f->datalen, f->samples);
ast_channel_lock(chan);
chan->generatordata = tmp;
if (res) {