patch 9.1.0842: not checking for the sync() systemcall
Problem: not checking for the sync() systemcall
Solution: check for sync in configure script, fix related #ifdefs
(Jonas Termansen)
It's better to check for features directly rather than maintaining a
denylist of operating systems without them.
closes: #15985
Signed-off-by: Jonas 'Sortie' Termansen <sortie@maxsi.org>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/memfile.c b/src/memfile.c
index abb7c3f..4707969 100644
--- a/src/memfile.c
+++ b/src/memfile.c
@@ -594,13 +594,10 @@
}
else
# endif
- // OpenNT is strictly POSIX (Benzinger)
- // Tandem/Himalaya NSK-OSS doesn't have sync()
- // No sync() on Stratus VOS
-# if defined(__OPENNT) || defined(__TANDEM) || defined(__VOS__)
- fflush(NULL);
-# else
+# ifdef HAVE_SYNC
sync();
+# else
+ fflush(NULL);
# endif
#endif
#ifdef VMS