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> 14extern 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) 30typedef struct { 31 unsigned int fds_bits[1]; 32} fd_set; 33#endif 34 35#ifdef SYS_WINNT 36/* ports/winnt/libntp/setpriority.c */ 37extern void InitSockets(void); 38#endif 39 40#endif /* NTP_SELECT_H */ 41