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-rw-r--r--src/util/io.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/util/io.h b/src/util/io.h
index 44e222d..8c646cb 100644
--- a/src/util/io.h
+++ b/src/util/io.h
@@ -1,4 +1,17 @@
/* See LICENSE file for copyright and license details. */
+#include <fcntl.h>
+
+#if defined(POSIX_FADV_SEQUENTIAL)
+# define fadvise_sequential(...) posix_fadvise(__VA_ARGS__, POSIX_FADV_SEQUENTIAL)
+#else
+# define fadvise_sequential(...)
+#endif
+
+#if defined(POSIX_FADV_RANDOM)
+# define fadvise_random(...) posix_fadvise(__VA_ARGS__, POSIX_FADV_RANDOM)
+#else
+# define fadvise_random(...)
+#endif
#define ewriteall(...) enwriteall(1, __VA_ARGS__)
#define ereadall(...) enreadall(1, __VA_ARGS__)