diff options
-rw-r--r-- | main/channel.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/main/channel.c b/main/channel.c index 005f76ff1..b253cc102 100644 --- a/main/channel.c +++ b/main/channel.c @@ -2273,7 +2273,17 @@ static void ast_read_generator_actions(struct ast_channel *chan, struct ast_fram } else { samples = f->samples; } + /* 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. + * + * The reason this is added is so that when ast_write is called, the lock that occurs + * there will not recursively lock the channel. Doing this will cause intended deadlock + * avoidance not to work in deeper functions + */ + ast_channel_unlock(chan); res = chan->generator->generate(chan, tmp, f->datalen, samples); + ast_channel_lock(chan); chan->generatordata = tmp; if (res) { if (option_debug > 1) |