#define QEMU_OSDEP_H
#include <stdarg.h>
+#include <stddef.h>
+#ifdef __OpenBSD__
+#include <sys/types.h>
+#include <sys/signal.h>
+#endif
+
+#ifndef _WIN32
+#include <sys/time.h>
+#endif
#ifndef glue
#define xglue(x, y) x ## y
#define unlikely(x) __builtin_expect(!!(x), 0)
#endif
+#ifdef CONFIG_NEED_OFFSETOF
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
+#endif
+#ifndef container_of
+#define container_of(ptr, type, member) ({ \
+ const typeof(((type *) 0)->member) *__mptr = (ptr); \
+ (type *) ((char *) __mptr - offsetof(type, member));})
+#endif
+
+/* Convert from a base type to a parent type, with compile time checking. */
+#ifdef __GNUC__
+#define DO_UPCAST(type, field, dev) ( __extension__ ( { \
+ char __attribute__((unused)) offset_must_be_zero[ \
+ -offsetof(type, field)]; \
+ container_of(dev, type, field);}))
+#else
+#define DO_UPCAST(type, field, dev) container_of(dev, type, field)
+#endif
+
+#define typeof_field(type, field) typeof(((type *)0)->field)
+#define type_check(t1,t2) ((t1*)0 - (t2*)0)
+
#ifndef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
#endif
#ifndef always_inline
-#if (__GNUC__ < 3) || defined(__APPLE__)
-#define always_inline inline
-#else
-#define always_inline __attribute__ (( always_inline )) __inline__
+#if !((__GNUC__ < 3) || defined(__APPLE__))
+#ifdef __OPTIMIZE__
+#define inline __attribute__ (( always_inline )) __inline__
#endif
#endif
+#else
#define inline always_inline
+#endif
#ifdef __i386__
#define REGPARM __attribute((regparm(3)))
#define qemu_printf printf
+#if defined (__GNUC__) && defined (__GNUC_MINOR__)
+# define QEMU_GNUC_PREREQ(maj, min) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+# define QEMU_GNUC_PREREQ(maj, min) 0
+#endif
+
void *qemu_memalign(size_t alignment, size_t size);
void *qemu_vmalloc(size_t size);
void qemu_vfree(void *ptr);