use a lock instead of a barrier

diff --git a/lib/librte_eal/common/eal_common_thread.c b/lib/librte_eal/common/eal_common_thread.c
index de69452eb8548178b956f3542b6051e36e73309d..d8da9332af70caa262a9ff25a5453f9d8d259ad0 100644 (file)
--- a/lib/librte_eal/common/eal_common_thread.c
+++ b/lib/librte_eal/common/eal_common_thread.c
@@ -144,7 +144,7 @@ exit:
 struct rte_thread_ctrl_params {
        void *(*start_routine)(void *);
        void *arg;
-       pthread_barrier_t configured;
+       pthread_mutex_t lock;
 };
 
 static void *rte_thread_init(void *arg)
@@ -153,7 +153,12 @@ static void *rte_thread_init(void *arg)
        void *(*start_routine)(void *) = params->start_routine;
        void *routine_arg = params->arg;
 
-       pthread_barrier_wait(&params->configured);
+       /* wait that configuration done by caller is finished */
+       pthread_mutex_lock(&params->lock);
+       pthread_mutex_unlock(&params->lock);
+
+       pthread_mutex_destroy(&params->lock);
+       free(params);
 
        return start_routine(routine_arg);
 }
@@ -174,12 +179,14 @@ rte_ctrl_thread_create(pthread_t *thread, const char *name,
 
        params->start_routine = start_routine;
        params->arg = arg;
-
-       pthread_barrier_init(&params->configured, NULL, 2);
+       pthread_mutex_init(&params->lock, NULL);
+       pthread_mutex_lock(&params->lock);
 
        ret = pthread_create(thread, attr, rte_thread_init, (void *)params);
-       if (ret != 0)
+       if (ret != 0) {
+               free(params);
                return ret;
+       }
 
        if (name != NULL) {
                ret = rte_thread_setname(*thread, name);
@@ -204,8 +211,9 @@ rte_ctrl_thread_create(pthread_t *thread, const char *name,
        if (ret < 0)
                goto fail;
 
-       pthread_barrier_wait(&params->configured);
-       free(params);
+       pthread_mutex_unlock(&params->lock);
+
+       /* params is freed by the new thread */
 
        return 0;