463 lines
13 KiB
C
463 lines
13 KiB
C
#ifndef RUBY_SOCKET_H
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#define RUBY_SOCKET_H 1
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#include "ruby/config.h"
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#include RUBY_EXTCONF_H
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#if defined(__sun) || defined(_AIX)
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/* (Recent?) Solaris' <nfs/nfs.h> have conflicting definition of T_DATA. Let
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* us honour system definition by undefining ours.
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*
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* See also [ruby-core:4261]
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*/
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# include "ruby/ruby.h"
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# undef T_DATA
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#endif
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#include <errno.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_SYS_UIO_H
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# include <sys/uio.h>
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#endif
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#ifdef HAVE_XTI_H
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# include <xti.h>
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#endif
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#ifdef _WIN32
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# if defined(_MSC_VER)
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# undef HAVE_TYPE_STRUCT_SOCKADDR_DL
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# endif
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#else
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# include <sys/socket.h>
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# include <netinet/in.h>
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# ifdef HAVE_NETINET_IN_SYSTM_H
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# include <netinet/in_systm.h>
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# endif
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# ifdef HAVE_NETINET_TCP_H
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# include <netinet/tcp.h>
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# endif
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# ifdef HAVE_NETINET_TCP_FSM_H
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# include <netinet/tcp_fsm.h>
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# endif
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# ifdef HAVE_NETINET_UDP_H
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# include <netinet/udp.h>
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# endif
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# ifdef HAVE_ARPA_INET_H
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# include <arpa/inet.h>
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# endif
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# include <netdb.h>
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#endif
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#ifdef HAVE_NETPACKET_PACKET_H
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# include <netpacket/packet.h>
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#endif
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#ifdef HAVE_NET_ETHERNET_H
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# include <net/ethernet.h>
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#endif
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#ifdef HAVE_SYS_UN_H
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# include <sys/un.h>
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#endif
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#if defined(HAVE_FCNTL)
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# ifdef HAVE_SYS_SELECT_H
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# include <sys/select.h>
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# endif
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# ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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# endif
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# ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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# endif
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# ifdef HAVE_FCNTL_H
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# include <fcntl.h>
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# endif
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#endif
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#ifdef HAVE_IFADDRS_H
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# ifdef __HAIKU__
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# define _BSD_SOURCE
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# endif
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# include <ifaddrs.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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# include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_SOCKIO_H
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# include <sys/sockio.h>
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#endif
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#ifdef HAVE_NET_IF_H
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# include <net/if.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_UCRED_H
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# include <sys/ucred.h>
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#endif
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#ifdef HAVE_UCRED_H
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# include <ucred.h>
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#endif
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#ifdef HAVE_NET_IF_DL_H
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# include <net/if_dl.h>
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#endif
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#ifdef SOCKS5
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# include <socks.h>
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#endif
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#ifndef HAVE_GETADDRINFO
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# include "addrinfo.h"
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#endif
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#include "internal.h"
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#include "internal/array.h"
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#include "internal/error.h"
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#include "internal/gc.h"
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#include "internal/io.h"
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#include "internal/thread.h"
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#include "internal/vm.h"
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#include "ruby/io.h"
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#include "ruby/ruby.h"
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#include "ruby/thread.h"
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#include "ruby/util.h"
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#include "sockport.h"
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#include "ruby/fiber/scheduler.h"
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#ifndef HAVE_TYPE_SOCKLEN_T
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typedef int socklen_t;
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#endif
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#ifdef NEED_IF_INDEXTONAME_DECL
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char *if_indextoname(unsigned int, char *);
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#endif
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#ifdef NEED_IF_NAMETOINDEX_DECL
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unsigned int if_nametoindex(const char *);
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#endif
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#define SOCKLEN_MAX \
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(0 < (socklen_t)-1 ? \
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~(socklen_t)0 : \
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(((((socklen_t)1) << (sizeof(socklen_t) * CHAR_BIT - 2)) - 1) * 2 + 1))
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#ifndef RSTRING_SOCKLEN
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# define RSTRING_SOCKLEN (socklen_t)RSTRING_LENINT
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#endif
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#ifndef EWOULDBLOCK
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# define EWOULDBLOCK EAGAIN
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#endif
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/*
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* workaround for NetBSD, OpenBSD and etc.
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* The problem is since 4.4BSD-Lite.
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* FreeBSD fix the problem at FreeBSD 2.2.0.
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* NetBSD fix the problem at NetBSD 3.0 by kern/29624.
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* OpenBSD fix the problem at OpenBSD 3.8.
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*/
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#define pseudo_AF_FTIP pseudo_AF_RTIP
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#ifndef NI_MAXHOST
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# define NI_MAXHOST 1025
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#endif
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#ifndef NI_MAXSERV
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# define NI_MAXSERV 32
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#endif
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#ifdef AF_INET6
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# define IS_IP_FAMILY(af) ((af) == AF_INET || (af) == AF_INET6)
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#else
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# define IS_IP_FAMILY(af) ((af) == AF_INET)
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#endif
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#ifndef IN6_IS_ADDR_UNIQUE_LOCAL
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# define IN6_IS_ADDR_UNIQUE_LOCAL(a) (((a)->s6_addr[0] == 0xfc) || ((a)->s6_addr[0] == 0xfd))
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#endif
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#ifndef HAVE_TYPE_STRUCT_SOCKADDR_STORAGE
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/*
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* RFC 2553: protocol-independent placeholder for socket addresses
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*/
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# define _SS_MAXSIZE 128
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# define _SS_ALIGNSIZE (sizeof(double))
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# define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) * 2)
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# define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) * 2 - \
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_SS_PAD1SIZE - _SS_ALIGNSIZE)
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struct sockaddr_storage {
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# ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
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unsigned char ss_len; /* address length */
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unsigned char ss_family; /* address family */
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# else
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unsigned short ss_family;
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# endif
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char __ss_pad1[_SS_PAD1SIZE];
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double __ss_align; /* force desired structure storage alignment */
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char __ss_pad2[_SS_PAD2SIZE];
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};
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#endif
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typedef union {
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struct sockaddr addr;
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struct sockaddr_in in;
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#ifdef AF_INET6
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struct sockaddr_in6 in6;
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#endif
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#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN
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struct sockaddr_un un;
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#endif
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#ifdef HAVE_TYPE_STRUCT_SOCKADDR_DL
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struct sockaddr_dl dl; /* AF_LINK */
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#endif
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struct sockaddr_storage storage;
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char place_holder[2048]; /* sockaddr_storage is not enough for Unix domain sockets on SunOS and Darwin. */
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} union_sockaddr;
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#ifdef __APPLE__
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/*
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* CMSG_ macros are broken on 64bit darwin, because __DARWIN_ALIGN
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* aligns up to __darwin_size_t which is 64bit, but CMSG_DATA is
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* 32bit-aligned.
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*/
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# undef __DARWIN_ALIGNBYTES
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# define __DARWIN_ALIGNBYTES (sizeof(unsigned int) - 1)
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#endif
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#if defined(_AIX)
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# ifndef CMSG_SPACE
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# define CMSG_SPACE(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len))
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# endif
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# ifndef CMSG_LEN
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# define CMSG_LEN(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
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# endif
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#endif
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#define INET_CLIENT 0
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#define INET_SERVER 1
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#define INET_SOCKS 2
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extern int rsock_do_not_reverse_lookup;
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#define FMODE_NOREVLOOKUP 0x100
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/* common socket families only */
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#define FMODE_UNIX 0x00200000
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#define FMODE_INET 0x00400000
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#define FMODE_INET6 0x00800000
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#define FMODE_SOCK (FMODE_UNIX|FMODE_INET|FMODE_INET6)
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extern VALUE rb_cBasicSocket;
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extern VALUE rb_cIPSocket;
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extern VALUE rb_cTCPSocket;
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extern VALUE rb_cTCPServer;
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extern VALUE rb_cUDPSocket;
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#ifdef HAVE_SYS_UN_H
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extern VALUE rb_cUNIXSocket;
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extern VALUE rb_cUNIXServer;
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#endif
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extern VALUE rb_cSocket;
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extern VALUE rb_cAddrinfo;
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extern VALUE rb_cSockOpt;
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extern VALUE rb_eSocket;
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#ifdef SOCKS
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extern VALUE rb_cSOCKSSocket;
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# ifndef SOCKS5
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void SOCKSinit();
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int Rconnect();
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# endif
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#endif
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#include "constdefs.h"
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#define BLOCKING_REGION_FD(func, arg) (long)rb_thread_io_blocking_region((func), (arg), (arg)->fd)
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#define SockAddrStringValue(v) rsock_sockaddr_string_value(&(v))
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#define SockAddrStringValuePtr(v) rsock_sockaddr_string_value_ptr(&(v))
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#define SockAddrStringValueWithAddrinfo(v, rai_ret) rsock_sockaddr_string_value_with_addrinfo(&(v), &(rai_ret))
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VALUE rsock_sockaddr_string_value(volatile VALUE *);
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char *rsock_sockaddr_string_value_ptr(volatile VALUE *);
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VALUE rsock_sockaddr_string_value_with_addrinfo(volatile VALUE *v, VALUE *ai_ret);
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VALUE rb_check_sockaddr_string_type(VALUE);
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NORETURN(void rsock_raise_socket_error(const char *, int));
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int rsock_family_arg(VALUE domain);
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int rsock_socktype_arg(VALUE type);
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int rsock_level_arg(int family, VALUE level);
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int rsock_optname_arg(int family, int level, VALUE optname);
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int rsock_cmsg_type_arg(int family, int level, VALUE type);
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int rsock_shutdown_how_arg(VALUE how);
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int rsock_getfamily(rb_io_t *fptr);
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struct rb_addrinfo {
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struct addrinfo *ai;
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int allocated_by_malloc;
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};
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void rb_freeaddrinfo(struct rb_addrinfo *ai);
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VALUE rsock_freeaddrinfo(VALUE arg);
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int rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen, int flags);
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int rsock_fd_family(int fd);
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struct rb_addrinfo *rsock_addrinfo(VALUE host, VALUE port, int family, int socktype, int flags);
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struct rb_addrinfo *rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack);
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VALUE rsock_fd_socket_addrinfo(int fd, struct sockaddr *addr, socklen_t len);
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VALUE rsock_io_socket_addrinfo(VALUE io, struct sockaddr *addr, socklen_t len);
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VALUE rsock_addrinfo_new(struct sockaddr *addr, socklen_t len, int family, int socktype, int protocol, VALUE canonname, VALUE inspectname);
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VALUE rsock_addrinfo_inspect_sockaddr(VALUE rai);
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VALUE rsock_make_ipaddr(struct sockaddr *addr, socklen_t addrlen);
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VALUE rsock_ipaddr(struct sockaddr *sockaddr, socklen_t sockaddrlen, int norevlookup);
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VALUE rsock_make_hostent(VALUE host, struct rb_addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, socklen_t));
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VALUE rsock_inspect_sockaddr(struct sockaddr *addr, socklen_t socklen, VALUE ret);
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socklen_t rsock_sockaddr_len(struct sockaddr *addr);
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VALUE rsock_sockaddr_obj(struct sockaddr *addr, socklen_t len);
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int rsock_revlookup_flag(VALUE revlookup, int *norevlookup);
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#ifdef HAVE_SYS_UN_H
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VALUE rsock_unixpath_str(struct sockaddr_un *sockaddr, socklen_t len);
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VALUE rsock_unixaddr(struct sockaddr_un *sockaddr, socklen_t len);
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socklen_t rsock_unix_sockaddr_len(VALUE path);
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#endif
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int rsock_socket(int domain, int type, int proto);
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int rsock_detect_cloexec(int fd);
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VALUE rsock_init_sock(VALUE sock, int fd);
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VALUE rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass);
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VALUE rsock_init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, VALUE local_host, VALUE local_serv, int type, VALUE resolv_timeout, VALUE connect_timeout);
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VALUE rsock_init_unixsock(VALUE sock, VALUE path, int server);
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struct rsock_send_arg {
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int fd, flags;
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VALUE mesg;
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struct sockaddr *to;
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socklen_t tolen;
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};
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VALUE rsock_sendto_blocking(void *data);
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VALUE rsock_send_blocking(void *data);
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VALUE rsock_bsock_send(int argc, VALUE *argv, VALUE sock);
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enum sock_recv_type {
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RECV_RECV, /* BasicSocket#recv(no from) */
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RECV_IP, /* IPSocket#recvfrom */
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RECV_UNIX, /* UNIXSocket#recvfrom */
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RECV_SOCKET /* Socket#recvfrom */
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};
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VALUE rsock_s_recvfrom_nonblock(VALUE sock, VALUE len, VALUE flg, VALUE str,
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VALUE ex, enum sock_recv_type from);
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VALUE rsock_s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from);
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int rsock_connect(int fd, const struct sockaddr *sockaddr, int len, int socks, struct timeval *timeout);
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VALUE rsock_s_accept(VALUE klass, VALUE io, struct sockaddr *sockaddr, socklen_t *len);
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VALUE rsock_s_accept_nonblock(VALUE klass, VALUE ex, rb_io_t *fptr,
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struct sockaddr *sockaddr, socklen_t *len);
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VALUE rsock_sock_listen(VALUE sock, VALUE log);
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VALUE rsock_sockopt_new(int family, int level, int optname, VALUE data);
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#if defined(HAVE_SENDMSG)
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VALUE rsock_bsock_sendmsg(VALUE sock, VALUE data, VALUE flags,
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VALUE dest_sockaddr, VALUE controls);
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VALUE rsock_bsock_sendmsg_nonblock(VALUE sock, VALUE data, VALUE flags,
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VALUE dest_sockaddr, VALUE controls, VALUE ex);
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#else
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#define rsock_bsock_sendmsg rb_f_notimplement
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#define rsock_bsock_sendmsg_nonblock rb_f_notimplement
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#endif
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#if defined(HAVE_RECVMSG)
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VALUE rsock_bsock_recvmsg(VALUE sock, VALUE dlen, VALUE clen, VALUE flags,
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VALUE scm_rights);
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VALUE rsock_bsock_recvmsg_nonblock(VALUE sock, VALUE dlen, VALUE clen,
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VALUE flags, VALUE scm_rights, VALUE ex);
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ssize_t rsock_recvmsg(int socket, struct msghdr *message, int flags);
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#else
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#define rsock_bsock_recvmsg rb_f_notimplement
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#define rsock_bsock_recvmsg_nonblock rb_f_notimplement
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#endif
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#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
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void rsock_discard_cmsg_resource(struct msghdr *mh, int msg_peek_p);
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#endif
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void rsock_init_basicsocket(void);
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void rsock_init_ipsocket(void);
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void rsock_init_tcpsocket(void);
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void rsock_init_tcpserver(void);
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void rsock_init_sockssocket(void);
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void rsock_init_udpsocket(void);
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void rsock_init_unixsocket(void);
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void rsock_init_unixserver(void);
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void rsock_init_socket_constants(void);
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void rsock_init_ancdata(void);
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void rsock_init_addrinfo(void);
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void rsock_init_sockopt(void);
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void rsock_init_sockifaddr(void);
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void rsock_init_socket_init(void);
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NORETURN(void rsock_syserr_fail_host_port(int err, const char *, VALUE, VALUE));
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NORETURN(void rsock_syserr_fail_path(int err, const char *, VALUE));
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NORETURN(void rsock_syserr_fail_sockaddr(int err, const char *mesg, struct sockaddr *addr, socklen_t len));
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NORETURN(void rsock_syserr_fail_raddrinfo(int err, const char *mesg, VALUE rai));
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NORETURN(void rsock_syserr_fail_raddrinfo_or_sockaddr(int err, const char *mesg, VALUE addr, VALUE rai));
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NORETURN(void rsock_sys_fail_host_port(const char *, VALUE, VALUE));
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NORETURN(void rsock_sys_fail_path(const char *, VALUE));
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NORETURN(void rsock_sys_fail_sockaddr(const char *, struct sockaddr *addr, socklen_t len));
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NORETURN(void rsock_sys_fail_raddrinfo(const char *, VALUE rai));
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NORETURN(void rsock_sys_fail_raddrinfo_or_sockaddr(const char *, VALUE addr, VALUE rai));
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#if defined(__MINGW32__) || defined(_WIN32)
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#define RSOCK_WAIT_BEFORE_BLOCKING
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#endif
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/*
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* some OSes may support MSG_DONTWAIT inconsistently depending on socket
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* type, we only expect Linux to support it consistently for all socket types.
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*/
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#if defined(MSG_DONTWAIT) && defined(__linux__)
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# define MSG_DONTWAIT_RELIABLE 1
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#else
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# define MSG_DONTWAIT_RELIABLE 0
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#endif
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VALUE rsock_read_nonblock(VALUE sock, VALUE length, VALUE buf, VALUE ex);
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VALUE rsock_write_nonblock(VALUE sock, VALUE buf, VALUE ex);
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void rsock_make_fd_nonblock(int fd);
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#if !defined HAVE_INET_NTOP && ! defined _WIN32
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const char *inet_ntop(int, const void *, char *, size_t);
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#elif defined __MINGW32__
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# define inet_ntop(f,a,n,l) rb_w32_inet_ntop(f,a,n,l)
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#elif defined _MSC_VER && RUBY_MSVCRT_VERSION < 90
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const char *WSAAPI inet_ntop(int, const void *, char *, size_t);
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#endif
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#endif
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