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Code Issues Projects Releases Wiki Activity

fix race

This commit is contained in:
Anthony Minessale 2011-06-01 17:40:56 -05:00
parent 51c215809f
commit 37c2b1ff7b
1 changed files with 21 additions and 14 deletions
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35
src/mod/endpoints/mod_loopback/mod_loopback.c
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@ -54,7 +54,8 @@ typedef enum {
TFLAG_BLEG = (1 << 6),
TFLAG_APP = (1 << 7),
TFLAG_RUNNING_APP = (1 << 8),
TFLAG_BOWOUT_USED = (1 << 9)
TFLAG_BOWOUT_USED = (1 << 9),
TFLAG_CLEAR = (1 << 10)
} TFLAGS;
struct private_object {
@ -105,6 +106,17 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig);
static void clear_queue(private_t *tech_pvt)
{
void *pop;
while (switch_queue_trypop(tech_pvt->frame_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
switch_frame_t *frame = (switch_frame_t *) pop;
switch_frame_free(&frame);
}
}
static switch_status_t tech_init(private_t *tech_pvt, switch_core_session_t *session, switch_codec_t *codec)
{
const char *iananame = "L16";
@ -566,6 +578,12 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
mutex = tech_pvt->mutex;
switch_mutex_lock(mutex);
if (switch_test_flag(tech_pvt, TFLAG_CLEAR)) {
clear_queue(tech_pvt);
switch_clear_flag(tech_pvt, TFLAG_CLEAR);
}
if (switch_queue_trypop(tech_pvt->frame_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
if (tech_pvt->write_frame) {
switch_frame_free(&tech_pvt->write_frame);
@ -599,17 +617,6 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
return status;
}
static void clear_queue(private_t *tech_pvt)
{
void *pop;
while (switch_queue_trypop(tech_pvt->frame_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
switch_frame_t *frame = (switch_frame_t *) pop;
switch_frame_free(&frame);
}
}
static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
{
switch_channel_t *channel = NULL;
@ -750,9 +757,9 @@ static switch_status_t channel_receive_message(switch_core_session_t *session, s
{
done = 1;
switch_set_flag(tech_pvt, TFLAG_CLEAR);
switch_set_flag(tech_pvt->other_tech_pvt, TFLAG_CLEAR);
clear_queue(tech_pvt);
clear_queue(tech_pvt->other_tech_pvt);
switch_core_timer_sync(&tech_pvt->timer);
switch_core_timer_sync(&tech_pvt->other_tech_pvt->timer);
}