X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Furcu-call-rcu-impl.h;h=c01f02b2f5c7400edf8c9ed191c87a9cc5b9d52c;hb=caefd1ee4699652c808cd1863ea40a2ad4a25710;hp=c264da5f7775c623d0e9ae952ceed38a8be90add;hpb=9f75d2d92dad5f19f57c4bd4866d5658971b287c;p=urcu.git

diff --git a/src/urcu-call-rcu-impl.h b/src/urcu-call-rcu-impl.h
index c264da5..c01f02b 100644
--- a/src/urcu-call-rcu-impl.h
+++ b/src/urcu-call-rcu-impl.h
@@ -81,6 +81,10 @@ struct call_rcu_completion_work {
 	struct call_rcu_completion *completion;
 };
 
+enum crdf_flags {
+	CRDF_FLAG_JOIN_THREAD = (1 << 0),
+};
+
 /*
  * List of all call_rcu_data structures to keep valgrind happy.
  * Protected by call_rcu_mutex.
@@ -755,7 +759,8 @@ void call_rcu(struct rcu_head *head,
  * a list corruption bug in the 0.7.x series. The equivalent fix
  * appeared in 0.6.8 for the stable-0.6 branch.
  */
-void call_rcu_data_free(struct call_rcu_data *crdp)
+static
+void _call_rcu_data_free(struct call_rcu_data *crdp, unsigned int flags)
 {
 	if (crdp == NULL || crdp == default_call_rcu_data) {
 		return;
@@ -784,9 +789,21 @@ void call_rcu_data_free(struct call_rcu_data *crdp)
 	cds_list_del(&crdp->list);
 	call_rcu_unlock(&call_rcu_mutex);
 
+	if (flags & CRDF_FLAG_JOIN_THREAD) {
+		int ret;
+
+		ret = pthread_join(get_call_rcu_thread(crdp), NULL);
+		if (ret)
+			urcu_die(ret);
+	}
 	free(crdp);
 }
 
+void call_rcu_data_free(struct call_rcu_data *crdp)
+{
+	_call_rcu_data_free(crdp, CRDF_FLAG_JOIN_THREAD);
+}
+
 /*
  * Clean up all the per-CPU call_rcu threads.
  */
@@ -1011,7 +1028,11 @@ void call_rcu_after_fork_child(void)
 		if (crdp == default_call_rcu_data)
 			continue;
 		uatomic_set(&crdp->flags, URCU_CALL_RCU_STOPPED);
-		call_rcu_data_free(crdp);
+		/*
+		 * Do not join the thread because it does not exist in
+		 * the child.
+		 */
+		_call_rcu_data_free(crdp, 0);
 	}
 }