| #ifndef Py_MYSELECT_H |
| #define Py_MYSELECT_H |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /*********************************************************** |
| Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| The Netherlands. |
| |
| All Rights Reserved |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, |
| provided that the above copyright notice appear in all copies and that |
| both that copyright notice and this permission notice appear in |
| supporting documentation, and that the names of Stichting Mathematisch |
| Centrum or CWI not be used in advertising or publicity pertaining to |
| distribution of the software without specific, written prior permission. |
| |
| STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| |
| ******************************************************************/ |
| |
| /* Include file for users of select() */ |
| |
| /* NB caller must include <sys/types.h> */ |
| |
| #ifdef HAVE_SYS_SELECT_H |
| |
| #include <sys/select.h> |
| |
| #ifdef SYS_SELECT_WITH_SYS_TIME |
| #include "mytime.h" |
| #else /* !SYS_SELECT_WITH_SYS_TIME */ |
| #include <time.h> |
| #endif /* !SYS_SELECT_WITH_SYS_TIME */ |
| |
| #else /* !HAVE_SYS_SELECT_H */ |
| |
| #include "mytime.h" |
| |
| #endif /* !HAVE_SYS_SELECT_H */ |
| |
| /* If the fd manipulation macros aren't defined, |
| here is a set that should do the job */ |
| |
| #ifndef FD_SETSIZE |
| #define FD_SETSIZE 256 |
| #endif |
| |
| #ifndef FD_SET |
| |
| typedef long fd_mask; |
| |
| #define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ |
| #ifndef howmany |
| #define howmany(x, y) (((x)+((y)-1))/(y)) |
| #endif /* howmany */ |
| |
| typedef struct fd_set { |
| fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; |
| } fd_set; |
| |
| #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 /* FD_SET */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif /* !Py_MYSELECT_H */ |