my_net.h
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:4k
- /* 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; either version 2 of the License, 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.
- 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
- 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(MSDOS) && !defined(__WIN__) && !defined(HAVE_BROKEN_NETINET_INCLUDES) && !defined(__BEOS__) && !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(__EMX__)
- #include <sys/ioctl.h>
- #define ioctlsocket(A,B,C) ioctl((A),(B),(void *)(C),sizeof(*(C)))
- #undef HAVE_FCNTL
- #endif /* defined(__EMX__) */
- #if defined(MSDOS) || defined(__WIN__)
- #define O_NONBLOCK 1 /* For emulation of fcntl() */
- #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(HPUX10)
- struct hostent;
- #endif /* HPUX */
- #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
- /* On SCO you get a link error when refering to h_errno */
- #ifdef SCO
- #undef h_errno
- #define h_errno errno
- #endif
- C_MODE_END
- #endif