$NetBSD: patch-ap,v 1.2 2000/12/03 04:33:11 wiz Exp $

--- src/timer/linux/SDL_systimer.c.orig	Sun Oct 22 22:35:19 2000
+++ src/timer/linux/SDL_systimer.c
@@ -36,6 +36,10 @@
 #include "SDL_timer.h"
 #include "SDL_timer_c.h"
 
+#if _POSIX_THREAD_SYSCALL_SOFT
+#include <pthread.h>
+#endif
+
 #if defined(DISABLE_THREADS) || defined(FORK_HACK)
 #define USE_ITIMER
 #endif
@@ -96,6 +100,9 @@
 	do {
 		errno = 0;
 
+#if _POSIX_THREAD_SYSCALL_SOFT
+		pthread_yield_np();
+#endif
 #ifdef USE_NANOSLEEP
 		tv.tv_sec = elapsed.tv_sec;
 		tv.tv_nsec = elapsed.tv_nsec;