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my_net.h
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my_net.h
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/* Copyright (C) 2000 MySQL AB
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; version 2 of the License.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
thread safe version of some common functions:
my_inet_ntoa
This file is also used to make handling of sockets and ioctl()
portable accross systems.
*/
#ifndef _my_net_h
#define _my_net_h
#include "my_global.h" /* C_MODE_START, C_MODE_END */
C_MODE_START
#include <errno.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_POLL
#include <sys/poll.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#if !defined(__WIN__) && !defined(HAVE_BROKEN_NETINET_INCLUDES) && !defined(__NETWARE__)
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#if !defined(alpha_linux_port)
#include <netinet/tcp.h>
#endif
#endif
#if defined(__WIN__)
#define O_NONBLOCK 1 /* For emulation of fcntl() */
/*
SHUT_RDWR is called SD_BOTH in windows and
is defined to 2 in winsock2.h
#define SD_BOTH 0x02
*/
#define SHUT_RDWR 0x02
#endif
/*
On OSes which don't have the in_addr_t, we guess that using uint32 is the best
possible choice. We guess this from the fact that on HP-UX64bit & FreeBSD64bit
& Solaris64bit, in_addr_t is equivalent to uint32. And on Linux32bit too.
*/
#ifndef HAVE_IN_ADDR_T
#define in_addr_t uint32
#endif
/* Thread safe or portable version of some functions */
void my_inet_ntoa(struct in_addr in, char *buf);
/*
Handling of gethostbyname_r()
*/
#if !defined(HAVE_GETHOSTBYNAME_R)
struct hostent *my_gethostbyname_r(const char *name,
struct hostent *result, char *buffer,
int buflen, int *h_errnop);
void my_gethostbyname_r_free();
#elif defined(HAVE_PTHREAD_ATTR_CREATE) || defined(_AIX) || defined(HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE)
struct hostent *my_gethostbyname_r(const char *name,
struct hostent *result, char *buffer,
int buflen, int *h_errnop);
#define my_gethostbyname_r_free()
#if !defined(HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE) && !defined(HPUX10)
#define GETHOSTBYNAME_BUFF_SIZE sizeof(struct hostent_data)
#endif /* !defined(HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE) */
#elif defined(HAVE_GETHOSTBYNAME_R_RETURN_INT)
#define GETHOSTBYNAME_BUFF_SIZE sizeof(struct hostent_data)
struct hostent *my_gethostbyname_r(const char *name,
struct hostent *result, char *buffer,
int buflen, int *h_errnop);
#define my_gethostbyname_r_free()
#else
#define my_gethostbyname_r(A,B,C,D,E) gethostbyname_r((A),(B),(C),(D),(E))
#define my_gethostbyname_r_free()
#endif /* !defined(HAVE_GETHOSTBYNAME_R) */
#ifndef GETHOSTBYNAME_BUFF_SIZE
#define GETHOSTBYNAME_BUFF_SIZE 2048
#endif
C_MODE_END
#endif