mirror of https://gitee.com/openkylin/qemu.git
77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
#ifndef QEMU_OSDEP_H
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#define QEMU_OSDEP_H
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#include <stdarg.h>
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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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#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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#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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#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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#endif
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#endif
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#define inline always_inline
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#ifdef __i386__
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#define REGPARM __attribute((regparm(3)))
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#else
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#define REGPARM
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#endif
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#define qemu_printf printf
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void *qemu_malloc(size_t size);
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void *qemu_mallocz(size_t size);
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void qemu_free(void *ptr);
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char *qemu_strdup(const char *str);
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void *qemu_memalign(size_t alignment, size_t size);
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void *qemu_vmalloc(size_t size);
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void qemu_vfree(void *ptr);
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void *get_mmap_addr(unsigned long size);
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int qemu_create_pidfile(const char *filename);
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#ifdef _WIN32
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int ffs(int i);
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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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#endif
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