third-party/pjproject/patches/0001-evsub-Add-APIs-to-add-decrement-an-event-subscriptio.patch

   1 From a5030c9b33b2c936879fbacb1d2ea5edc2979181 Mon Sep 17 00:00:00 2001
   2 From: George Joseph <gjoseph@digium.com>
   3 Date: Sat, 18 Jun 2016 10:14:34 -0600
   4 Subject: [PATCH] evsub:  Add APIs to add/decrement an event  subscription's
   5  group lock
   6
   7 These APIs can be used to ensure that the evsub isn't destroyed before
   8 an application is finished using it.
   9 ---
  10  pjsip/include/pjsip-simple/evsub.h | 20 ++++++++++++++++++++
  11  pjsip/src/pjsip-simple/evsub.c     | 14 ++++++++++++++
  12  2 files changed, 34 insertions(+)
  13
  14 diff --git a/pjsip/include/pjsip-simple/evsub.h b/pjsip/include/pjsip-simple/evsub.h
  15 index 2dc4d69..31f85f8 100644
  16 --- a/pjsip/include/pjsip-simple/evsub.h
  17 +++ b/pjsip/include/pjsip-simple/evsub.h
  18 @@ -490,6 +490,26 @@ PJ_DECL(void) pjsip_evsub_set_mod_data( pjsip_evsub *sub, unsigned mod_id,
  19  PJ_DECL(void*) pjsip_evsub_get_mod_data( pjsip_evsub *sub, unsigned mod_id );
  20
  21
  22 +/**
  23 + * Increment the event subscription's group lock.
  24 + *
  25 + * @param sub          The server subscription instance.
  26 + *
  27 + * @return             PJ_SUCCESS on success.
  28 + */
  29 +PJ_DEF(pj_status_t) pjsip_evsub_add_ref(pjsip_evsub *sub);
  30 +
  31 +
  32 +/**
  33 + * Decrement the event subscription's group lock.
  34 + *
  35 + * @param sub          The server subscription instance.
  36 + *
  37 + * @return             PJ_SUCCESS on success.
  38 + */
  39 +PJ_DEF(pj_status_t) pjsip_evsub_dec_ref(pjsip_evsub *sub);
  40 +
  41 +
  42
  43  PJ_END_DECL
  44
  45 diff --git a/pjsip/src/pjsip-simple/evsub.c b/pjsip/src/pjsip-simple/evsub.c
  46 index 7cd8859..68a9564 100644
  47 --- a/pjsip/src/pjsip-simple/evsub.c
  48 +++ b/pjsip/src/pjsip-simple/evsub.c
  49 @@ -831,7 +831,21 @@ static pj_status_t evsub_create( pjsip_dialog *dlg,
  50      return PJ_SUCCESS;
  51  }
  52
  53 +/*
  54 + * Increment the event subscription's group lock.
  55 + */
  56 +PJ_DEF(pj_status_t) pjsip_evsub_add_ref(pjsip_evsub *sub)
  57 +{
  58 +    return pj_grp_lock_add_ref(sub->grp_lock);
  59 +}
  60
  61 +/*
  62 + * Decrement the event subscription's group lock.
  63 + */
  64 +PJ_DEF(pj_status_t) pjsip_evsub_dec_ref(pjsip_evsub *sub)
  65 +{
  66 +    return pj_grp_lock_dec_ref(sub->grp_lock);
  67 +}
  68
  69  /*
  70   * Create client subscription session.
  71 --
  72 2.5.5
  73