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-rw-r--r--doc/mach.texi2
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/mach.texi b/doc/mach.texi
index 2bd085b2..dd1e5edd 100644
--- a/doc/mach.texi
+++ b/doc/mach.texi
@@ -5648,7 +5648,9 @@ mapped-time interface:
do
@{
secs = mtime->seconds;
+ __sync_synchronize();
usecs = mtime->microseconds;
+ __sync_synchronize();
@}
while (secs != mtime->check_seconds);
@end example