Introduce EXTFLAGS and EXTLIBS in Makefile.

[fio.git] / os.h

diff --git a/os.h b/os.h
index b44d34c6b5ef07dea4c5c7fe2c05be09c5abbe9e..85db5b8e47a07a1376e0baaa373bc82f1f70a0ed 100644 (file)
--- a/os.h
+++ b/os.h
@@ -47,4 +47,17 @@
 #define OS_O_DIRECT                    O_DIRECT
 #endif
 
+#ifndef FIO_HAVE_HUGETLB
+#define SHM_HUGETLB                    0
+#define FIO_HUGE_PAGE                  0
+#else
+#define FIO_HUGE_PAGE                  4194304
+#endif
+
+#if __GNUC__ < 3
+#define __must_check
+#else
+#define __must_check                   __attribute__((warn_unused_result))
+#endif
+
 #endif