From 21d15546d32bc430804adf2011cc342031c5e3d2 Mon Sep 17 00:00:00 2001
From: Kurt Zeilenga <kurt@openldap.org>
Date: Fri, 6 Jan 2006 05:22:35 +0000
Subject: [PATCH] Make use of nanosleep/select as a sched_yeild(2) replacement
 conditional on REPLACE_SCHED_YEILD.   Configure support needed.

---
 libraries/libldap_r/thr_posix.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/libraries/libldap_r/thr_posix.c b/libraries/libldap_r/thr_posix.c
index a80f69f8e5..6d399e9c16 100644
--- a/libraries/libldap_r/thr_posix.c
+++ b/libraries/libldap_r/thr_posix.c
@@ -20,8 +20,10 @@
 
 #include <ac/errno.h>
 
-#if defined( HAVE_YIELDING_SELECT )
+#if REPLACE_SCHED_YIELD
+#ifndef HAVE_NANOSLEEP
 #include <ac/socket.h>
+#endif
 #include <ac/time.h>
 #endif
 
@@ -212,9 +214,14 @@ ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
 int 
 ldap_pvt_thread_yield( void )
 {
-#if HAVE_YIELDING_SELECT
+#ifdef REPLACE_SCHED_YIELD
+#ifdef HAVE_NANOSLEEP
+	struct timespec t = { 0, 0 };
+	nanosleep(&t, NULL);
+#else
 	struct timeval tv = {0,0};
 	select( 0, NULL, NULL, NULL, &tv );
+#endif
 	return 0;
 #elif HAVE_THR_YIELD
 	return thr_yield();
-- 
2.39.5