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freetdm: - Update ftmod_sangoma_isdn to use core state advance

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- Added locking documentation (docs/locking.txt)
	 - Updated core state advance to use state processor in span
           rather than pushing the processor in the function arguments
This commit is contained in:
Moises Silva
2010-12-31 09:42:15 -05:00
parent 903d136481
commit 39d58e0452
7 changed files with 189 additions and 44 deletions
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7
libs/freetdm/src/ftdm_state.c
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@@ -434,15 +434,14 @@ FT_DECLARE(char *) ftdm_channel_get_history_str(const ftdm_channel_t *fchan)
return stream.data;
}
FT_DECLARE(ftdm_status_t) ftdm_channel_advance_states(ftdm_channel_t *fchan, ftdm_channel_state_processor_t state_processor)
FT_DECLARE(ftdm_status_t) ftdm_channel_advance_states(ftdm_channel_t *fchan)
{
ftdm_channel_state_t state;
ftdm_channel_lock(fchan);
while (fchan->state_status == FTDM_STATE_STATUS_NEW) {
state = fchan->state;
ftdm_log_chan(fchan, FTDM_LOG_DEBUG, "Executing state processor for %s\n", ftdm_channel_state2str(fchan->state));
state_processor(fchan);
fchan->span->state_processor(fchan);
if (state == fchan->state && fchan->state_status == FTDM_STATE_STATUS_NEW) {
/* if the state did not change and is still NEW, the state status must go to PROCESSED
* otherwise we don't touch it since is a new state and the old state was
@@ -451,7 +450,7 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_advance_states(ftdm_channel_t *fchan, ftd
fchan->state_status = FTDM_STATE_STATUS_PROCESSED;
}
}
ftdm_channel_unlock(fchan);
return FTDM_SUCCESS;
}