X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os.h;h=da80fbd4f7207e66a0cbb9821bdfabcf389f6ebf;hp=68660b6d4ff406c7bb4bbb8aa4dcdc756d70f6d4;hb=94cd00dd6cf1cec4c593a74aabfbb79f4d80afb6;hpb=b990b5c06801d6d25e3fcc5415efbbe7bb23341e

diff --git a/os.h b/os.h
index 68660b6d..da80fbd4 100644
--- a/os.h
+++ b/os.h
@@ -47,13 +47,17 @@
 #define OS_O_DIRECT			O_DIRECT
 #endif
 
-struct thread_data;
-extern int fio_libaio_init(struct thread_data *);
-extern int fio_posixaio_init(struct thread_data *);
-extern int fio_syncio_init(struct thread_data *);
-extern int fio_mmapio_init(struct thread_data *);
-extern int fio_sgio_init(struct thread_data *);
-extern int fio_spliceio_init(struct thread_data *);
-extern int fio_cpuio_init(struct thread_data *);
+#ifndef FIO_HAVE_HUGETLB
+#define SHM_HUGETLB			0
+#define FIO_HUGE_PAGE			0
+#else
+#define FIO_HUGE_PAGE			(4096 * 1024)
+#endif
+
+#if __GNUC__ < 3
+#define __must_check
+#else
+#define __must_check			__attribute__((warn_unused_result))
+#endif
 
 #endif