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Last change
on this file was 18, checked in by bird, 23 years ago |
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Initial revision
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Property cvs2svn:cvs-rev
set to
1.1
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Property svn:eol-style
set to
native
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Property svn:executable
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*
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File size:
991 bytes
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| 1 | /* sys/select.h (emx+gcc) */
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| 2 |
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| 3 | #ifndef _SYS_SELECT_H
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| 4 | #define _SYS_SELECT_H
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| 5 |
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| 6 | #if defined (__cplusplus)
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| 7 | extern "C" {
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| 8 | #endif
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| 9 |
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| 10 | #if !defined (FD_SETSIZE)
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| 11 | #define FD_SETSIZE 256
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| 12 | #elif FD_SETSIZE < 256
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| 13 | #error FD_SETSIZE must be at least 256
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| 14 | #endif
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| 15 |
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| 16 | #if !defined (_FD_SET_T)
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| 17 | #define _FD_SET_T
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| 18 |
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| 19 | typedef struct _fd_set
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| 20 | {
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| 21 | unsigned long fds_bits[(FD_SETSIZE+31) / 32];
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| 22 | } fd_set;
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| 23 |
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| 24 | #endif
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| 25 |
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| 26 | #define FD_SET(n,s) ((s)->fds_bits[(n)/32] |= (1L << ((n) & 0x1f)))
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| 27 | #define FD_CLR(n,s) ((s)->fds_bits[(n)/32] &= ~(1L << ((n) & 0x1f)))
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| 28 | #define FD_ISSET(n,s) ((s)->fds_bits[(n)/32] & (1L << ((n) & 0x1f)))
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| 29 | #define FD_ZERO(s) (void)memset (s, 0, sizeof (*(s)))
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| 30 |
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| 31 | struct timeval;
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| 32 |
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| 33 | int select (int, struct _fd_set *, struct _fd_set *, struct _fd_set *,
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| 34 | struct timeval *);
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| 35 |
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| 36 | int _select (int, struct _fd_set *, struct _fd_set *, struct _fd_set *,
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| 37 | struct timeval *);
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| 38 |
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| 39 | void *memset (void *, int, size_t); /* Used by FD_ZERO */
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| 40 |
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| 41 | #if defined (__cplusplus)
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| 42 | }
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| 43 | #endif
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| 44 |
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| 45 | #endif /* not _SYS_SELECT_H */
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