sip_hold_trans, sip_release_trans - hold or release reference on a transaction
cc [ flag ... ] file ... –lsip [ library ... ] #include <sip.h> void sip_hold_trans(sip_transaction_t sip_trans);
void sip_release_trans(sip_transaction_t sip_trans);
The sip_hold_trans() function is used to hold a reference on the transaction sip_trans. A transaction is not freed if there are any references on it.
The sip_release_trans() function is used to release a reference on the transaction sip_trans. If the reference falls to 0 and the transaction is in a terminated state, the transaction is freed.
The value of errno is not changed by these calls in the event of an error.
See attributes(5) for descriptions of the following attributes: