/contrib/ntp/include/ntp_select.h

https://bitbucket.org/freebsd/freebsd-head/ · C++ Header · 35 lines · 25 code · 5 blank · 5 comment · 2 complexity · a777e83a01032eb5e21bd37d56f439d5 MD5 · raw file 

    

  1. /*
    2. 

  2.  * Not all machines define FD_SET in sys/types.h
    3. 

  3.  */ 
    4. 

  4. #ifndef _ntp_select_h
    5. 

  5. #define _ntp_select_h
    6. 

  6. 

  7. /* Was: (defined(RS6000)||defined(SYS_PTX))&&!defined(_BSD) */
    8. 

  8. /* Could say: !defined(FD_SET) && defined(HAVE_SYS_SELECT_H) */
    9. 

  9. #if defined(HAVE_SYS_SELECT_H) && !defined(_BSD)
    10. 

  10. #ifndef SYS_VXWORKS
    11. 

  11. #include <sys/select.h>
    12. 

  12. #else
    13. 

  13. #include <sockLib.h>
    14. 

  14. extern int  select P((int width, fd_set *pReadFds, fd_set *pWriteFds,
    15. 

  15.             fd_set *pExceptFds, struct timeval *pTimeOut));
    16. 

  16. 

  17. #endif
    18. 

  18. #endif
    19. 

  19. 

  20. #if !defined(FD_SET) && !defined(SYS_WINNT)
    21. 

  21. #define NFDBITS         32
    22. 

  22. #define FD_SETSIZE      32
    23. 

  23. #define FD_SET(n, p)    ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
    24. 

  24. #define FD_CLR(n, p)    ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
    25. 

  25. #define FD_ISSET(n, p)  ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
    26. 

  26. #define FD_ZERO(p)      memset((char *)(p), 0, sizeof(*(p)))
    27. 

  27. #endif
    28. 

  28. 

  29. #if defined(VMS)
    30. 

  30. typedef struct {
    31. 

  31.     unsigned int fds_bits[1];
    32. 

  32. } fd_set;
    33. 

  33. #endif
    34. 

  34. 

  35. #endif /* _ntp_select_h */
    36.