Changeset 6142 for pjproject/trunk/pjsip/include/pjsip-ua/sip_regc.h

Timestamp:

Jan 29, 2020 4:05:51 AM (4 years ago)

Author:

ming

Message:

Fixed #2264: Potential deadlock between pjsua lock and sip transport's lock

File:

• pjproject/trunk/pjsip/include/pjsip-ua/sip_regc.h (modified) (1 diff)

pjproject/trunk/pjsip/include/pjsip-ua/sip_regc.h

@@ -210 +210 @@
                                      pj_uint32_t expires);
 
+
+/**
+ * Increment busy counter temporarily, to prevent client registration
+ * structure from being destroyed.
+ *
+ * @param regc      The client registration structure.
+ */
+PJ_DECL(void) pjsip_regc_add_ref( pjsip_regc *regc );
+
+
+/**
+ * Decrement temporary busy counter. After this function
+ * is called, client registration structure may have been destroyed
+ * if there's a pending destroy.
+ *
+ * @param regc      The client registration structure.
+ *
+ * @return          PJ_SUCCESS on success. PJ_EGONE if the registration
+ *                  structure has been destroyed inside the function.
+ */
+PJ_DECL(pj_status_t) pjsip_regc_dec_ref( pjsip_regc *regc );
+
+
 /**
  * Set callback to be called when the registration received a final response.