X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu-call-rcu-impl.h;h=ae93468d8beb4e9fb9167a4dcc5b462892f3d9a2;hb=53a55535da7db6ac6a2f37107baed9130c049333;hp=1ab49bc69da4eb753b264f90f5393cd22ce0fe98;hpb=59dc9e9db2c6d9e9039d7857194955c9b4d00c2d;p=userspace-rcu.git

diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h
index 1ab49bc..ae93468 100644
--- a/urcu-call-rcu-impl.h
+++ b/urcu-call-rcu-impl.h
@@ -396,12 +396,21 @@ int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp)
 		errno = EINVAL;
 		return -EINVAL;
 	}
-	call_rcu_unlock(&call_rcu_mutex);
+
 	if (per_cpu_call_rcu_data == NULL) {
+		call_rcu_unlock(&call_rcu_mutex);
 		errno = ENOMEM;
 		return -ENOMEM;
 	}
+
+	if (per_cpu_call_rcu_data[cpu] != NULL && crdp != NULL) {
+		call_rcu_unlock(&call_rcu_mutex);
+		errno = EEXIST;
+		return -EEXIST;
+	}
+
 	per_cpu_call_rcu_data[cpu] = crdp;
+	call_rcu_unlock(&call_rcu_mutex);
 	return 0;
 }
 
@@ -600,6 +609,7 @@ void call_rcu_data_free(struct call_rcu_data *crdp)
 		*cbs_endprev = cbs;
 		uatomic_add(&default_call_rcu_data->qlen,
 			    uatomic_read(&crdp->qlen));
+		wake_call_rcu_thread(default_call_rcu_data);
 	}
 
 	cds_list_del(&crdp->list);