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-rw-r--r--src/lib9/sleep.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/lib9/sleep.c b/src/lib9/sleep.c
index 5c4feff8..f2cc15d3 100644
--- a/src/lib9/sleep.c
+++ b/src/lib9/sleep.c
@@ -6,6 +6,7 @@
#include <libc.h>
#if defined(__NetBSD__) || (defined(__OpenBSD__) && OpenBSD <= 200511)
+#if !defined(sched_yield)
# define sched_yield() \
do{ struct timespec ts; \
ts.tv_sec = 0; \
@@ -13,6 +14,7 @@
nanosleep(&ts, 0); \
}while(0)
#endif
+#endif
int
p9sleep(long milli)