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fix null mutex race cond 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10766 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-12-15 16:10:20 +00:00
parent 57ffaad4bb
commit 4f2f60c4a0
1 changed files with 6 additions and 2 deletions
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8
src/switch_core_io.c
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@ -600,12 +600,16 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_sess
switch_assert(frame->codec != NULL);
switch_assert(frame->codec->implementation != NULL);
if (!(session->write_codec && frame->codec)) {
switch_mutex_lock(session->codec_write_mutex);
if (!(session->write_codec && session->write_codec->mutex && frame->codec)) {
switch_mutex_unlock(session->codec_write_mutex);
return SWITCH_STATUS_FALSE;
}
switch_mutex_lock(session->write_codec->mutex);
switch_mutex_lock(frame->codec->mutex);
switch_mutex_lock(session->codec_write_mutex);
if ((session->write_codec && frame->codec && session->write_codec->implementation != frame->codec->implementation)) {
if (session->write_codec->implementation->codec_id == frame->codec->implementation->codec_id) {