From 539ef4cc2e5896c1d20e3e179c9c039a0d237c0f Mon Sep 17 00:00:00 2001
From: claudio <claudio@openbsd.org>
Date: Tue, 30 Jul 2024 13:28:27 +0000
Subject: [PATCH] sched_yield() is not strong enough to overflow the recv
 buffer on some systems. Use a proper sleep using usleep(100) instead.

---
 regress/lib/libc/sys/t_sendrecv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/regress/lib/libc/sys/t_sendrecv.c b/regress/lib/libc/sys/t_sendrecv.c
index ae6425f40dd..178d9338b81 100644
--- a/regress/lib/libc/sys/t_sendrecv.c
+++ b/regress/lib/libc/sys/t_sendrecv.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: t_sendrecv.c,v 1.3 2021/12/13 16:56:48 deraadt Exp $	*/
+/*	$OpenBSD: t_sendrecv.c,v 1.4 2024/07/30 13:28:27 claudio Exp $	*/
 /*	$NetBSD: t_sendrecv.c,v 1.8 2021/03/28 17:30:01 christos Exp $	*/
 
 /*-
@@ -97,7 +97,7 @@ receiver(int sd)
 			if (p.seq != seq)
 				printf("%ju != %ju\n", p.seq, seq);
 			if (seq % 10 == 0)
-				sched_yield();
+				usleep(100);
 			seq = p.seq + 1;
 		}
 //		printf("<<%zd %d %ju\n", n, errno, seq);
-- 
2.20.1