2004-02-17 01:12:40 +03:00
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#ifndef QEMU_OSDEP_H
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#define QEMU_OSDEP_H
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#include <stdarg.h>
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2008-08-15 22:33:42 +04:00
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#ifdef __OpenBSD__
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#include <sys/types.h>
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#include <sys/signal.h>
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#endif
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2004-02-17 01:12:40 +03:00
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2007-11-19 03:38:33 +03:00
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#ifndef glue
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#define xglue(x, y) x ## y
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#define glue(x, y) xglue(x, y)
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#define stringify(s) tostring(s)
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#define tostring(s) #s
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#endif
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#ifndef likely
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#if __GNUC__ < 3
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#define __builtin_expect(x, n) (x)
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#endif
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#endif
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2008-09-16 17:36:57 +04:00
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#ifndef offsetof
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#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
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#endif
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#ifndef container_of
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2008-08-22 00:11:11 +04:00
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#define container_of(ptr, type, member) ({ \
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2008-09-16 17:36:57 +04:00
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const typeof(((type *) 0)->member) *__mptr = (ptr); \
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(type *) ((char *) __mptr - offsetof(type, member));})
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#endif
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2008-08-22 00:11:11 +04:00
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2007-11-19 03:38:33 +03:00
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#ifndef MIN
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#define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef MAX
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#define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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2008-03-12 00:01:02 +03:00
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#endif
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2007-11-19 03:38:33 +03:00
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#ifndef always_inline
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#if (__GNUC__ < 3) || defined(__APPLE__)
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#define always_inline inline
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#else
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#define always_inline __attribute__ (( always_inline )) __inline__
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2008-11-19 04:31:52 +03:00
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#ifdef __OPTIMIZE__
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2008-06-06 02:55:54 +04:00
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#define inline always_inline
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2007-11-19 03:38:33 +03:00
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#endif
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2008-11-19 04:31:52 +03:00
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#endif
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2008-06-06 02:55:54 +04:00
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#else
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2007-11-19 03:38:33 +03:00
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#define inline always_inline
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2008-06-06 02:55:54 +04:00
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#endif
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2007-11-19 03:38:33 +03:00
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#ifdef __i386__
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2008-01-31 12:22:27 +03:00
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#define REGPARM __attribute((regparm(3)))
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2007-11-19 03:38:33 +03:00
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#else
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2008-01-31 12:22:27 +03:00
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#define REGPARM
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2007-11-19 03:38:33 +03:00
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#endif
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2006-08-01 19:50:14 +04:00
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#define qemu_printf printf
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2004-02-17 01:12:40 +03:00
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2008-12-01 04:53:55 +03:00
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#if defined (__GNUC__) && defined (__GNUC_MINOR__)
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2008-10-12 20:15:04 +04:00
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# define QEMU_GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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#else
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# define QEMU_GNUC_PREREQ(maj, min) 0
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#endif
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2007-12-24 17:33:24 +03:00
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void *qemu_memalign(size_t alignment, size_t size);
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2005-02-11 00:59:25 +03:00
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void *qemu_vmalloc(size_t size);
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void qemu_vfree(void *ptr);
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2004-02-17 01:12:40 +03:00
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2007-03-26 01:33:06 +04:00
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int qemu_create_pidfile(const char *filename);
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2007-06-08 03:09:47 +04:00
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#ifdef _WIN32
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2007-12-16 15:55:24 +03:00
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int ffs(int i);
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2007-06-08 03:09:47 +04:00
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typedef struct {
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long tv_sec;
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long tv_usec;
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} qemu_timeval;
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int qemu_gettimeofday(qemu_timeval *tp);
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#else
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typedef struct timeval qemu_timeval;
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#define qemu_gettimeofday(tp) gettimeofday(tp, NULL);
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#endif /* !_WIN32 */
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2004-02-17 01:12:40 +03:00
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#endif
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