From a5030c9b33b2c936879fbacb1d2ea5edc2979181 Mon Sep 17 00:00:00 2001 From: George Joseph Date: Sat, 18 Jun 2016 10:14:34 -0600 Subject: [PATCH] evsub: Add APIs to add/decrement an event subscription's group lock These APIs can be used to ensure that the evsub isn't destroyed before an application is finished using it. --- pjsip/include/pjsip-simple/evsub.h | 20 ++++++++++++++++++++ pjsip/src/pjsip-simple/evsub.c | 14 ++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/pjsip/include/pjsip-simple/evsub.h b/pjsip/include/pjsip-simple/evsub.h index 2dc4d69..31f85f8 100644 --- a/pjsip/include/pjsip-simple/evsub.h +++ b/pjsip/include/pjsip-simple/evsub.h @@ -490,6 +490,26 @@ PJ_DECL(void) pjsip_evsub_set_mod_data( pjsip_evsub *sub, unsigned mod_id, PJ_DECL(void*) pjsip_evsub_get_mod_data( pjsip_evsub *sub, unsigned mod_id ); +/** + * Increment the event subscription's group lock. + * + * @param sub The server subscription instance. + * + * @return PJ_SUCCESS on success. + */ +PJ_DEF(pj_status_t) pjsip_evsub_add_ref(pjsip_evsub *sub); + + +/** + * Decrement the event subscription's group lock. + * + * @param sub The server subscription instance. + * + * @return PJ_SUCCESS on success. + */ +PJ_DEF(pj_status_t) pjsip_evsub_dec_ref(pjsip_evsub *sub); + + PJ_END_DECL diff --git a/pjsip/src/pjsip-simple/evsub.c b/pjsip/src/pjsip-simple/evsub.c index 7cd8859..68a9564 100644 --- a/pjsip/src/pjsip-simple/evsub.c +++ b/pjsip/src/pjsip-simple/evsub.c @@ -831,7 +831,21 @@ static pj_status_t evsub_create( pjsip_dialog *dlg, return PJ_SUCCESS; } +/* + * Increment the event subscription's group lock. + */ +PJ_DEF(pj_status_t) pjsip_evsub_add_ref(pjsip_evsub *sub) +{ + return pj_grp_lock_add_ref(sub->grp_lock); +} +/* + * Decrement the event subscription's group lock. + */ +PJ_DEF(pj_status_t) pjsip_evsub_dec_ref(pjsip_evsub *sub) +{ + return pj_grp_lock_dec_ref(sub->grp_lock); +} /* * Create client subscription session. -- 2.5.5