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ntp_workimpl.h revision 1.2 
      1  1.1  christos /*	$NetBSD: ntp_workimpl.h,v 1.2 2014/12/19 20:43:14 christos Exp $	*/
      2  1.1  christos 
      3  1.1  christos /*
      4  1.1  christos  * ntp_workimpl.h - selects worker child implementation
      5  1.1  christos  */
      6  1.1  christos #ifndef NTP_WORKIMPL_H
      7  1.1  christos #define NTP_WORKIMPL_H
      8  1.1  christos 
      9  1.1  christos /*
     10  1.1  christos  * Some systems do not support fork() and don't have an alternate
     11  1.1  christos  * threads implementation of ntp_intres.  Such systems are limited
     12  1.1  christos  * to using numeric IP addresses.
     13  1.1  christos  */
     14  1.1  christos #if defined(SYS_WINNT)
     15  1.1  christos # define WORK_THREAD
     16  1.1  christos #elif defined(ISC_PLATFORM_USETHREADS) && \
     17  1.1  christos       defined(HAVE_SEM_TIMEDWAIT) && \
     18  1.1  christos       (defined(HAVE_GETCLOCK) || defined(HAVE_CLOCK_GETTIME))
     19  1.1  christos # define WORK_THREAD
     20  1.1  christos # define WORK_PIPE
     21  1.1  christos #elif defined(VMS) || defined(SYS_VXWORKS)
     22  1.1  christos   /* empty */
     23  1.1  christos #elif defined(HAVE_WORKING_FORK)
     24  1.1  christos # define WORK_FORK
     25  1.1  christos # define WORK_PIPE
     26  1.1  christos #endif
     27  1.1  christos 
     28  1.1  christos #if defined(WORK_FORK) || defined(WORK_THREAD)
     29  1.1  christos # define WORKER
     30  1.1  christos #endif
     31  1.1  christos 
     32  1.1  christos #endif	/* !NTP_WORKIMPL_H */
     33