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a3309960a5
* Makefile: change location of FORMS library. * posixmodule.c: turn #if 0 into #ifdef MSDOS (stuff in unistd.h or not) * Almost all .h files: added CPP magic to avoid duplicate inclusions and to support inclusion from C++.
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
#ifndef Py_MYSELECT_H
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#define Py_MYSELECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***********************************************************
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Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
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Amsterdam, The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Common definitions for files that use the BSD select system call.
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This is so complicated because every UNIX variant requires that
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you include a different set of headers. Customizing this one file
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should be easier than patching each of the files using select()... */
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/* XXX You may have to include some of these only if not already included */
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#include <sys/types.h>
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#include <sys/time.h> /* Implies <time.h> everywhere, as far as I know */
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#include <sys/param.h>
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/* Hacks for various systems that need hand-holding... */
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#ifdef _SEQUENT_
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#include <sys/select.h>
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/* Sequent doesn't seem to define struct timezone anywhere?!?! */
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struct timezone {
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int tz_minuteswest;
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int tz_dsttime;
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};
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#endif
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#ifdef _AIX /* I *think* this works */
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/* AIX defines fd_set in a separate file. Sigh... */
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#include <sys/select.h>
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#endif
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/* (Very) old versions of BSD don't define the FD_* set of macros.
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The following will usually do... */
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#ifndef FD_SETSIZE
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#define FD_SETSIZE 256
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#endif
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#ifndef FD_SET
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typedef long fd_mask;
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#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */
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#ifndef howmany
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#define howmany(x, y) (((x)+((y)-1))/(y))
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#endif
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typedef struct fd_set {
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fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
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} fd_set;
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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 /* FD_SET */
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_MYSELECT_H */
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