NetBSD/usr.sbin/xntp/include/ntp_select.h

38 lines
1.0 KiB
C

/* $NetBSD: ntp_select.h,v 1.3 1998/03/06 18:17:17 christos Exp $ */
/*
* Not all machines define FD_SET in sys/types.h
*/
#ifndef _ntp_select_h
#define _ntp_select_h
/* Was: (defined(RS6000)||defined(SYS_PTX))&&!defined(_BSD) */
/* Could say: !defined(FD_SET) && defined(HAVE_SYS_SELECT_H) */
#if defined(HAVE_SYS_SELECT_H) && !defined(_BSD)
#ifndef SYS_VXWORKS
#include <sys/select.h>
#else
#include <sockLib.h>
extern int select (int width, fd_set *pReadFds, fd_set *pWriteFds,
fd_set *pExceptFds, struct timeval *pTimeOut);
#endif
#endif
#if !defined(FD_SET) && !defined(SYS_WINNT)
#define NFDBITS 32
#define FD_SETSIZE 32
#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
#define FD_ZERO(p) memset((char *)(p), 0, sizeof(*(p)))
#endif
#if defined(VMS)
typedef struct {
unsigned int fds_bits[1];
} fd_set;
#endif
#endif /* _ntp_select_h */