mirror of
https://github.com/python/cpython.git
synced 2024-11-24 08:52:25 +01:00
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
|
|
#define Py_MYSELECT_H
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/***********************************************************
|
|
Copyright 1991, 1992, 1993 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.
|
|
|
|
******************************************************************/
|
|
|
|
/* Common definitions for files that use the BSD select system call.
|
|
This is so complicated because every UNIX variant requires that
|
|
you include a different set of headers. Customizing this one file
|
|
should be easier than patching each of the files using select()... */
|
|
|
|
|
|
/* XXX You may have to include some of these only if not already included */
|
|
#include <sys/types.h>
|
|
#include <sys/time.h> /* Implies <time.h> everywhere, as far as I know */
|
|
#include <sys/param.h>
|
|
|
|
|
|
/* Hacks for various systems that need hand-holding... */
|
|
|
|
#ifdef _SEQUENT_
|
|
#include <sys/select.h>
|
|
/* Sequent doesn't seem to define struct timezone anywhere?!?! */
|
|
struct timezone {
|
|
int tz_minuteswest;
|
|
int tz_dsttime;
|
|
};
|
|
#endif
|
|
|
|
#ifdef _AIX /* I *think* this works */
|
|
/* AIX defines fd_set in a separate file. Sigh... */
|
|
#include <sys/select.h>
|
|
#endif
|
|
|
|
|
|
|
|
/* (Very) old versions of BSD don't define the FD_* set of macros.
|
|
The following will usually do... */
|
|
|
|
#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
|
|
|
|
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 */
|