X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os.h;h=da80fbd4f7207e66a0cbb9821bdfabcf389f6ebf;hb=6660cc67cb72b70d1ea0ab8c465976d715fcb976;hp=1bce2f64028324d7b1e982ce8c1d42305cb31ec5;hpb=7d4247639268fdcc1769fc57564d79791042950d;p=fio.git

diff --git a/os.h b/os.h
index 1bce2f64..da80fbd4 100644
--- a/os.h
+++ b/os.h
@@ -47,12 +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 *);
+#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