From b2140cb7c8620d51f55942d349612129f51d6552 Mon Sep 17 00:00:00 2001
From: Donald Sharp <sharpd@cumulusnetworks.com>
Date: Sat, 6 Jan 2018 11:48:11 -0500
Subject: [PATCH] lib: Add pthread_yield

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
---
 lib/frr_pthread.c | 6 ++++++
 lib/frr_pthread.h | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/lib/frr_pthread.c b/lib/frr_pthread.c
index 8b23640fa4..19dfbaf54b 100644
--- a/lib/frr_pthread.c
+++ b/lib/frr_pthread.c
@@ -19,6 +19,7 @@
 
 #include <zebra.h>
 #include <pthread.h>
+#include <sched.h>
 
 #include "frr_pthread.h"
 #include "memory.h"
@@ -182,3 +183,8 @@ unsigned int frr_pthread_get_id()
 {
 	return next_id++;
 }
+
+void frr_pthread_yield(void)
+{
+	(void)sched_yield();
+}
diff --git a/lib/frr_pthread.h b/lib/frr_pthread.h
index 9dee5fcca4..f6000340a7 100644
--- a/lib/frr_pthread.h
+++ b/lib/frr_pthread.h
@@ -130,6 +130,9 @@ int frr_pthread_stop(unsigned int id, void **result);
 /* Stops all frr_pthread's. */
 void frr_pthread_stop_all(void);
 
+/* Yields the current thread of execution */
+void frr_pthread_yield(void);
+
 /* Returns a unique identifier for use with frr_pthread_new().
  *
  * Internally, this is an integer that increments after each call to this
-- 
2.39.5