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21 lines
591 B
C
21 lines
591 B
C
/*
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* Not all machines define FD_SET in sys/types.h
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*/
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#ifndef _ntp_select_h
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#define _ntp_select_h
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#if (defined(RS6000)||defined(SYS_PTX))&&!defined(_BSD)
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#include <sys/select.h>
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#endif
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#ifndef FD_SET
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#define NFDBITS 32
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#define FD_SETSIZE 32
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#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
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#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
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#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
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#define FD_ZERO(p) memset((char *)(p), 0, sizeof(*(p)))
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#endif
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#endif /* _ntp_select_h */
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