qemu/osdep.h

80 lines
1.6 KiB
C

#ifndef QEMU_OSDEP_H
#define QEMU_OSDEP_H
#include <stdarg.h>
#ifdef __OpenBSD__
#include <sys/types.h>
#include <sys/signal.h>
#endif
#ifndef glue
#define xglue(x, y) x ## y
#define glue(x, y) xglue(x, y)
#define stringify(s) tostring(s)
#define tostring(s) #s
#endif
#ifndef likely
#if __GNUC__ < 3
#define __builtin_expect(x, n) (x)
#endif
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#endif
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#ifndef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif
#ifndef always_inline
#if (__GNUC__ < 3) || defined(__APPLE__)
#define always_inline inline
#else
#define always_inline __attribute__ (( always_inline )) __inline__
#define inline always_inline
#endif
#else
#define inline always_inline
#endif
#ifdef __i386__
#define REGPARM __attribute((regparm(3)))
#else
#define REGPARM
#endif
#define qemu_printf printf
void *qemu_memalign(size_t alignment, size_t size);
void *qemu_vmalloc(size_t size);
void qemu_vfree(void *ptr);
int qemu_create_pidfile(const char *filename);
#ifdef _WIN32
int ffs(int i);
typedef struct {
long tv_sec;
long tv_usec;
} qemu_timeval;
int qemu_gettimeofday(qemu_timeval *tp);
#else
typedef struct timeval qemu_timeval;
#define qemu_gettimeofday(tp) gettimeofday(tp, NULL);
#endif /* !_WIN32 */
#endif