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ntp 4.2.6p5

    1: /*
    2:  * Not all machines define FD_SET in sys/types.h
    3:  */ 
    4: #ifndef NTP_SELECT_H
    5: #define NTP_SELECT_H
    6: 
    7: /* Was: (defined(RS6000)||defined(SYS_PTX))&&!defined(_BSD) */
    8: /* Could say: !defined(FD_SET) && defined(HAVE_SYS_SELECT_H) */
    9: #if defined(HAVE_SYS_SELECT_H) && !defined(_BSD)
   10: #ifndef SYS_VXWORKS
   11: #include <sys/select.h>
   12: #else
   13: #include <sockLib.h>
   14: extern int  select (int width, fd_set *pReadFds, fd_set *pWriteFds,
   15: 		    fd_set *pExceptFds, struct timeval *pTimeOut);
   16: 
   17: #endif
   18: #endif
   19: 
   20: #if !defined(FD_SET)
   21: #define NFDBITS         32
   22: #define FD_SETSIZE      32
   23: #define FD_SET(n, p)    ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
   24: #define FD_CLR(n, p)    ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
   25: #define FD_ISSET(n, p)  ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
   26: #define FD_ZERO(p)      memset((char *)(p), 0, sizeof(*(p)))
   27: #endif
   28: 
   29: #if defined(VMS)
   30: typedef struct {
   31:     unsigned int fds_bits[1];
   32: } fd_set;
   33: #endif
   34: 
   35: #ifdef SYS_WINNT
   36: /* ports/winnt/libntp/setpriority.c */
   37: extern	void	InitSockets(void);
   38: #endif
   39: 
   40: #endif	/* NTP_SELECT_H */