mirror of https://github.com/python/cpython
78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/***********************************************************
|
|
Copyright (c) 2000, BeOpen.com.
|
|
Copyright (c) 1995-2000, Corporation for National Research Initiatives.
|
|
Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
|
|
All rights reserved.
|
|
|
|
See the file "Misc/COPYRIGHT" for information on usage and
|
|
redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
|
******************************************************************/
|
|
|
|
/***************************************
|
|
THIS FILE IS OBSOLETE
|
|
USE "pyport.h" INSTEAD
|
|
***************************************/
|
|
|
|
#ifndef Py_MYSELECT_H
|
|
#define Py_MYSELECT_H
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Include file for users of select() */
|
|
|
|
/* NB caller must include <sys/types.h> */
|
|
|
|
#ifdef HAVE_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 */
|
|
|
|
#include <sys/select.h>
|
|
|
|
#else /* !HAVE_SYS_SELECT_H */
|
|
|
|
#ifdef USE_GUSI1
|
|
/* If we don't have sys/select the definition may be in unistd.h */
|
|
#include <GUSI.h>
|
|
#endif
|
|
|
|
#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 */
|