1: #ifndef QEMU_OSDEP_H
    2: #define QEMU_OSDEP_H
    3: 
    4: #include <stdarg.h>
    5: 
    6: #ifndef glue
    7: #define xglue(x, y) x ## y
    8: #define glue(x, y) xglue(x, y)
    9: #define stringify(s)    tostring(s)
   10: #define tostring(s)     #s
   11: #endif
   12: 
   13: #ifndef likely
   14: #if __GNUC__ < 3
   15: #define __builtin_expect(x, n) (x)
   16: #endif
   17: 
   18: #define likely(x)   __builtin_expect(!!(x), 1)
   19: #define unlikely(x)   __builtin_expect(!!(x), 0)
   20: #endif
   21: 
   22: #ifndef MIN
   23: #define MIN(a, b) (((a) < (b)) ? (a) : (b))
   24: #endif
   25: #ifndef MAX
   26: #define MAX(a, b) (((a) > (b)) ? (a) : (b))
   27: #endif
   28: 
   29: #ifndef always_inline
   30: #if (__GNUC__ < 3) || defined(__APPLE__)
   31: #define always_inline inline
   32: #else
   33: #define always_inline __attribute__ (( always_inline )) __inline__
   34: #endif
   35: #endif
   36: #define inline always_inline
   37: 
   38: #ifdef __i386__
   39: #define REGPARM(n) __attribute((regparm(n)))
   40: #else
   41: #define REGPARM(n)
   42: #endif
   43: 
   44: #define qemu_printf printf
   45: 
   46: void *qemu_malloc(size_t size);
   47: void *qemu_mallocz(size_t size);
   48: void qemu_free(void *ptr);
   49: char *qemu_strdup(const char *str);
   50: 
   51: void *qemu_memalign(size_t alignment, size_t size);
   52: void *qemu_vmalloc(size_t size);
   53: void qemu_vfree(void *ptr);
   54: 
   55: void *get_mmap_addr(unsigned long size);
   56: 
   57: int qemu_create_pidfile(const char *filename);
   58: 
   59: #ifdef _WIN32
   60: int ffs(int i);
   61: 
   62: typedef struct {
   63:     long tv_sec;
   64:     long tv_usec;
   65: } qemu_timeval;
   66: int qemu_gettimeofday(qemu_timeval *tp);
   67: #else
   68: typedef struct timeval qemu_timeval;
   69: #define qemu_gettimeofday(tp) gettimeofday(tp, NULL);
   70: #endif /* !_WIN32 */
   71: 
   72: #endif