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/*
* Copyright (c) 2001 Takashi UMENO
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <sys/socket.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
/*
* FreeBSD uses bzero() in FD_ZERO().
*/
#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
#include <string.h>
#if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
#include <memory.h>
#endif /* not STDC_HEADERS and HAVE_MEMORY_H */
#else /* not STDC_HEADERS and not HAVE_STRING_H */
#include <strings.h>
#endif /* not STDC_HEADERS and not HAVE_STRING_H */
#ifdef TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else /* not TIME_WITH_SYS_TIME */
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#else /* not HAVE_SYS_TIME_H */
#include <time.h>
#endif /* not HAVE_SYS_TIME_H */
#endif /* not TIME_WITH_SYS_TIME */
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#else
#include <sys/file.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef SHUT_RD
#define SHUT_RD 0
#endif
#ifndef SHUT_WR
#define SHUT_WR 1
#endif
#ifndef SHUT_RDWR
#define SHUT_RDWR 2
#endif
#include "fdset.h"
/*
* Initialize socket descriptors.
*/
void
initialize_fdset(fdset, max_fd)
fd_set *fdset;
int *max_fd;
{
FD_ZERO(fdset);
*max_fd = -1;
}
/*
* Finalize socket descriptors.
*/
void
finalize_fdset(fdset, max_fd)
fd_set *fdset;
int *max_fd;
{
shutdown_fdset(fdset, max_fd, SHUT_RDWR);
close_fdset(fdset, max_fd);
}
/*
* Add file to socket discritors.
*/
void
add_fd_to_fdset(fdset, max_fd, fd)
fd_set *fdset;
int *max_fd;
int fd;
{
FD_SET(fd, fdset);
if (fd > *max_fd)
*max_fd = fd;
}
/*
* Shutdown multi sockets
*/
int
shutdown_fdset(fdset, max_fd, how)
fd_set *fdset;
int *max_fd;
int how;
{
int i;
for (i = 0; i <= *max_fd; i++) {
if (FD_ISSET(i, fdset)) {
shutdown(i, how);
FD_CLR(i, fdset);
}
}
return 0;
}
/*
* Close multi sockets
*/
int
close_fdset(fdset, max_fd)
fd_set *fdset;
int *max_fd;
{
int i;
for (i = 0; i <= *max_fd; i++) {
if (FD_ISSET(i, fdset)) {
close(i);
FD_CLR(i, fdset);
}
}
*max_fd = -1;
return 0;
}
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