diff options
Diffstat (limited to 'osdep.h')
-rw-r--r-- | osdep.h | 90 |
1 files changed, 90 insertions, 0 deletions
@@ -0,0 +1,90 @@ +#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 container_of +#define container_of(ptr, type, member) ({ \ + const typeof(((type *) 0)->member) *__mptr = (ptr); \ + (type *) ((char *) __mptr - offsetof(type, member));}) +#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 + +#ifndef 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 + +#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 |