diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | bits/socket.h | 138 | ||||
| -rw-r--r-- | sysdeps/unix/bsd/bsd4.4/bits/socket.h | 358 |
3 files changed, 126 insertions, 373 deletions
@@ -1,5 +1,8 @@ 2013-08-27 Roland McGrath <roland@hack.frob.com> + * sysdeps/unix/bsd/bsd4.4/bits/socket.h: Moved to ... + * bits/socket.h: ... here. + * sysdeps/unix/bsd/bsd4.4/bits/socket.h (enum __socket_type): Add SOCK_CLOEXEC, SOCK_NONBLOCK with values from FreeBSD. (SOCK_MAX, SOCK_TYPE_MASK): New macros. diff --git a/bits/socket.h b/bits/socket.h index 7564e2b..78c54a0 100644 --- a/bits/socket.h +++ b/bits/socket.h @@ -1,11 +1,11 @@ -/* System-specific socket constants and types. Generic/4.3 BSD version. +/* System-specific socket constants and types. 4.4 BSD version. Copyright (C) 1991-2013 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -13,22 +13,23 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ + License along with the GNU C Library; see the file COPYING.LIB. If + not, see <http://www.gnu.org/licenses/>. */ #ifndef __BITS_SOCKET_H #define __BITS_SOCKET_H 1 -#if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H +#ifndef _SYS_SOCKET_H # error "Never include <bits/socket.h> directly; use <sys/socket.h> instead." #endif -#include <limits.h> -#include <bits/types.h> - #define __need_size_t +#define __need_NULL #include <stddef.h> +#include <limits.h> /* XXX Is this allowed? */ +#include <bits/types.h> + /* Type for length arguments in socket calls. */ #ifndef __socklen_t_defined typedef __socklen_t socklen_t; @@ -49,9 +50,25 @@ enum __socket_type #define SOCK_RAW SOCK_RAW SOCK_RDM = 4, /* Reliably-delivered messages. */ #define SOCK_RDM SOCK_RDM - SOCK_SEQPACKET = 5 /* Sequenced, reliable, connection-based, + SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based, datagrams of fixed maximum length. */ #define SOCK_SEQPACKET SOCK_SEQPACKET + +#define SOCK_MAX (SOCK_SEQPACKET + 1) + /* Mask which covers at least up to SOCK_MASK-1. + The remaining bits are used as flags. */ +#define SOCK_TYPE_MASK 0xf + + /* Flags to be ORed into the type parameter of socket and socketpair and + used for the flags parameter of accept4. */ + + SOCK_CLOEXEC = 0x10000000, /* Atomically set close-on-exec flag for the + new descriptor(s). */ +#define SOCK_CLOEXEC SOCK_CLOEXEC + + SOCK_NONBLOCK = 0x20000000 /* Atomically mark descriptor(s) as + non-blocking. */ +#define SOCK_NONBLOCK SOCK_NONBLOCK }; /* Protocol families. */ @@ -120,6 +137,8 @@ enum __socket_type #define AF_INET6 PF_INET6 #define AF_MAX PF_MAX +/* Maximum queue length specifiable by listen. */ +#define SOMAXCONN 128 /* 5 on the origional 4.4 BSD. */ /* Get the definition of the macro to define the common sockaddr members. */ #include <bits/sockaddr.h> @@ -167,8 +186,10 @@ enum #define MSG_CTRUNC MSG_CTRUNC MSG_WAITALL = 0x40, /* Wait for full request or error. */ #define MSG_WAITALL MSG_WAITALL - MSG_DONTWAIT = 0x80 /* This message should be nonblocking. */ + MSG_DONTWAIT = 0x80, /* This message should be nonblocking. */ #define MSG_DONTWAIT MSG_DONTWAIT + MSG_NOSIGNAL = 0x0400 /* Do not generate SIGPIPE on EPIPE. */ +#define MSG_NOSIGNAL MSG_NOSIGNAL }; @@ -176,18 +197,105 @@ enum `sendmsg' and received by `recvmsg'. */ struct msghdr { - __ptr_t msg_name; /* Address to send to/receive from. */ + void *msg_name; /* Address to send to/receive from. */ socklen_t msg_namelen; /* Length of address data. */ struct iovec *msg_iov; /* Vector of data to send/receive into. */ int msg_iovlen; /* Number of elements in the vector. */ - __ptr_t msg_accrights; /* Access rights information. */ - socklen_t msg_accrightslen; /* Length of access rights information. */ + void *msg_control; /* Ancillary data (eg BSD filedesc passing). */ + socklen_t msg_controllen; /* Ancillary data buffer length. */ int msg_flags; /* Flags in received message. */ }; +/* Structure used for storage of ancillary data object information. */ +struct cmsghdr + { + socklen_t cmsg_len; /* Length of data in cmsg_data plus length + of cmsghdr structure. */ + int cmsg_level; /* Originating protocol. */ + int cmsg_type; /* Protocol specific type. */ +#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L + __extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data. */ +#endif + }; + +/* Ancillary data object manipulation macros. */ +#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L +# define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data) +#else +# define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1)) +#endif + +#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg) + +#define CMSG_FIRSTHDR(mhdr) \ + ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) \ + ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL) + +#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \ + & (size_t) ~(sizeof (size_t) - 1)) +#define CMSG_SPACE(len) (CMSG_ALIGN (len) \ + + CMSG_ALIGN (sizeof (struct cmsghdr))) +#define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len)) + +extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr, + struct cmsghdr *__cmsg) __THROW; +#ifdef __USE_EXTERN_INLINES +# ifndef _EXTERN_INLINE +# define _EXTERN_INLINE __extern_inline +# endif +_EXTERN_INLINE struct cmsghdr * +__NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)) +{ + if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr)) + /* The kernel header does this so there may be a reason. */ + return NULL; + + __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg + + CMSG_ALIGN (__cmsg->cmsg_len)); + if ((unsigned char *) (__cmsg + 1) > ((unsigned char *) __mhdr->msg_control + + __mhdr->msg_controllen) + || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len) + > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen))) + /* No more entries. */ + return NULL; + return __cmsg; +} +#endif /* Use `extern inline'. */ + +/* Socket level message types. */ +enum + { + SCM_RIGHTS = 0x01, /* Access rights (array of int). */ +#define SCM_RIGHTS SCM_RIGHTS + SCM_TIMESTAMP = 0x02, /* Timestamp (struct timeval). */ +#define SCM_TIMESTAMP SCM_TIMESTAMP + SCM_CREDS = 0x03 /* Process creds (struct cmsgcred). */ +#define SCM_CREDS SCM_CREDS + }; + +/* Unfortunately, BSD practice dictates this structure be of fixed size. + If there are more than CMGROUP_MAX groups, the list is truncated. + (On GNU systems, the `cmcred_euid' field is just the first in the + list of effective UIDs.) */ +#define CMGROUP_MAX 16 + +/* Structure delivered by SCM_CREDS. This describes the identity of the + sender of the data simultaneously received on the socket. By BSD + convention, this is included only when a sender on a AF_LOCAL socket + sends cmsg data of this type and size; the sender's structure is + ignored, and the system fills in the various IDs of the sender process. */ +struct cmsgcred + { + __pid_t cmcred_pid; + __uid_t cmcred_uid; + __uid_t cmcred_euid; + __gid_t cmcred_gid; + int cmcred_ngroups; + __gid_t cmcred_groups[CMGROUP_MAX]; + }; /* Protocol number used to manipulate socket-level options with `getsockopt' and `setsockopt'. */ diff --git a/sysdeps/unix/bsd/bsd4.4/bits/socket.h b/sysdeps/unix/bsd/bsd4.4/bits/socket.h deleted file mode 100644 index 78c54a0..0000000 --- a/sysdeps/unix/bsd/bsd4.4/bits/socket.h +++ /dev/null @@ -1,358 +0,0 @@ -/* System-specific socket constants and types. 4.4 BSD version. - Copyright (C) 1991-2013 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; see the file COPYING.LIB. If - not, see <http://www.gnu.org/licenses/>. */ - -#ifndef __BITS_SOCKET_H -#define __BITS_SOCKET_H 1 - -#ifndef _SYS_SOCKET_H -# error "Never include <bits/socket.h> directly; use <sys/socket.h> instead." -#endif - -#define __need_size_t -#define __need_NULL -#include <stddef.h> - -#include <limits.h> /* XXX Is this allowed? */ -#include <bits/types.h> - -/* Type for length arguments in socket calls. */ -#ifndef __socklen_t_defined -typedef __socklen_t socklen_t; -# define __socklen_t_defined -#endif - - -/* Types of sockets. */ -enum __socket_type -{ - SOCK_STREAM = 1, /* Sequenced, reliable, connection-based - byte streams. */ -#define SOCK_STREAM SOCK_STREAM - SOCK_DGRAM = 2, /* Connectionless, unreliable datagrams - of fixed maximum length. */ -#define SOCK_DGRAM SOCK_DGRAM - SOCK_RAW = 3, /* Raw protocol interface. */ -#define SOCK_RAW SOCK_RAW - SOCK_RDM = 4, /* Reliably-delivered messages. */ -#define SOCK_RDM SOCK_RDM - SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based, - datagrams of fixed maximum length. */ -#define SOCK_SEQPACKET SOCK_SEQPACKET - -#define SOCK_MAX (SOCK_SEQPACKET + 1) - /* Mask which covers at least up to SOCK_MASK-1. - The remaining bits are used as flags. */ -#define SOCK_TYPE_MASK 0xf - - /* Flags to be ORed into the type parameter of socket and socketpair and - used for the flags parameter of accept4. */ - - SOCK_CLOEXEC = 0x10000000, /* Atomically set close-on-exec flag for the - new descriptor(s). */ -#define SOCK_CLOEXEC SOCK_CLOEXEC - - SOCK_NONBLOCK = 0x20000000 /* Atomically mark descriptor(s) as - non-blocking. */ -#define SOCK_NONBLOCK SOCK_NONBLOCK -}; - -/* Protocol families. */ -#define PF_UNSPEC 0 /* Unspecified. */ -#define PF_LOCAL 1 /* Local to host (pipes and file-domain). */ -#define PF_UNIX PF_LOCAL /* Old BSD name for PF_LOCAL. */ -#define PF_FILE PF_LOCAL /* POSIX name for PF_LOCAL. */ -#define PF_INET 2 /* IP protocol family. */ -#define PF_IMPLINK 3 /* ARPAnet IMP protocol. */ -#define PF_PUP 4 /* PUP protocols. */ -#define PF_CHAOS 5 /* MIT Chaos protocols. */ -#define PF_NS 6 /* Xerox NS protocols. */ -#define PF_ISO 7 /* ISO protocols. */ -#define PF_OSI PF_ISO -#define PF_ECMA 8 /* ECMA protocols. */ -#define PF_DATAKIT 9 /* AT&T Datakit protocols. */ -#define PF_CCITT 10 /* CCITT protocols (X.25 et al). */ -#define PF_SNA 11 /* IBM SNA protocol. */ -#define PF_DECnet 12 /* DECnet protocols. */ -#define PF_DLI 13 /* Direct data link interface. */ -#define PF_LAT 14 /* DEC Local Area Transport protocol. */ -#define PF_HYLINK 15 /* NSC Hyperchannel protocol. */ -#define PF_APPLETALK 16 /* Don't use this. */ -#define PF_ROUTE 17 /* Internal Routing Protocol. */ -#define PF_LINK 18 /* Link layer interface. */ -#define PF_XTP 19 /* eXpress Transfer Protocol (no AF). */ -#define PF_COIP 20 /* Connection-oriented IP, aka ST II. */ -#define PF_CNT 21 /* Computer Network Technology. */ -#define PF_RTIP 22 /* Help Identify RTIP packets. **/ -#define PF_IPX 23 /* Novell Internet Protocol. */ -#define PF_SIP 24 /* Simple Internet Protocol. */ -#define PF_PIP 25 /* Help Identify PIP packets. */ -#define PF_INET6 26 /* IP version 6. */ -#define PF_MAX 27 - -/* Address families. */ -#define AF_UNSPEC PF_UNSPEC -#define AF_LOCAL PF_LOCAL -#define AF_UNIX PF_UNIX -#define AF_FILE PF_FILE -#define AF_INET PF_INET -#define AF_IMPLINK PF_IMPLINK -#define AF_PUP PF_PUP -#define AF_CHAOS PF_CHAOS -#define AF_NS PF_NS -#define AF_ISO PF_ISO -#define AF_OSI PF_OSI -#define AF_ECMA PF_ECMA -#define AF_DATAKIT PF_DATAKIT -#define AF_CCITT PF_CCITT -#define AF_SNA PF_SNA -#define AF_DECnet PF_DECnet -#define AF_DLI PF_DLI -#define AF_LAT PF_LAT -#define AF_HYLINK PF_HYLINK -#define AF_APPLETALK PF_APPLETALK -#define AF_ROUTE PF_ROUTE -#define AF_LINK PF_LINK -#define pseudo_AF_XTP PF_XTP -#define AF_COIP PF_COIP -#define AF_CNT PF_CNT -#define pseudo_AF_RTIP PF_RTIP -#define AF_IPX PF_IPX -#define AF_SIP PF_SIP -#define pseudo_AF_PIP PF_PIP -#define AF_INET6 PF_INET6 -#define AF_MAX PF_MAX - -/* Maximum queue length specifiable by listen. */ -#define SOMAXCONN 128 /* 5 on the origional 4.4 BSD. */ - -/* Get the definition of the macro to define the common sockaddr members. */ -#include <bits/sockaddr.h> - -/* Structure describing a generic socket address. */ -struct sockaddr - { - __SOCKADDR_COMMON (sa_); /* Common data: address family and length. */ - char sa_data[14]; /* Address data. */ - }; - - -/* Structure large enough to hold any socket address (with the historical - exception of AF_UNIX). We reserve 128 bytes. */ -#if ULONG_MAX > 0xffffffff -# define __ss_aligntype __uint64_t -#else -# define __ss_aligntype __uint32_t -#endif -#define _SS_SIZE 128 -#define _SS_PADSIZE (_SS_SIZE - (2 * sizeof (__ss_aligntype))) - -struct sockaddr_storage - { - __SOCKADDR_COMMON (ss_); /* Address family, etc. */ - __ss_aligntype __ss_align; /* Force desired alignment. */ - char __ss_padding[_SS_PADSIZE]; - }; - - -/* Bits in the FLAGS argument to `send', `recv', et al. */ -enum - { - MSG_OOB = 0x01, /* Process out-of-band data. */ -#define MSG_OOB MSG_OOB - MSG_PEEK = 0x02, /* Peek at incoming messages. */ -#define MSG_PEEK MSG_PEEK - MSG_DONTROUTE = 0x04, /* Don't use local routing. */ -#define MSG_DONTROUTE MSG_DONTROUTE - MSG_EOR = 0x08, /* Data completes record. */ -#define MSG_EOR MSG_EOR - MSG_TRUNC = 0x10, /* Data discarded before delivery. */ -#define MSG_TRUNC MSG_TRUNC - MSG_CTRUNC = 0x20, /* Control data lost before delivery. */ -#define MSG_CTRUNC MSG_CTRUNC - MSG_WAITALL = 0x40, /* Wait for full request or error. */ -#define MSG_WAITALL MSG_WAITALL - MSG_DONTWAIT = 0x80, /* This message should be nonblocking. */ -#define MSG_DONTWAIT MSG_DONTWAIT - MSG_NOSIGNAL = 0x0400 /* Do not generate SIGPIPE on EPIPE. */ -#define MSG_NOSIGNAL MSG_NOSIGNAL - }; - - -/* Structure describing messages sent by - `sendmsg' and received by `recvmsg'. */ -struct msghdr - { - void *msg_name; /* Address to send to/receive from. */ - socklen_t msg_namelen; /* Length of address data. */ - - struct iovec *msg_iov; /* Vector of data to send/receive into. */ - int msg_iovlen; /* Number of elements in the vector. */ - - void *msg_control; /* Ancillary data (eg BSD filedesc passing). */ - socklen_t msg_controllen; /* Ancillary data buffer length. */ - - int msg_flags; /* Flags in received message. */ - }; - -/* Structure used for storage of ancillary data object information. */ -struct cmsghdr - { - socklen_t cmsg_len; /* Length of data in cmsg_data plus length - of cmsghdr structure. */ - int cmsg_level; /* Originating protocol. */ - int cmsg_type; /* Protocol specific type. */ -#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L - __extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data. */ -#endif - }; - -/* Ancillary data object manipulation macros. */ -#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L -# define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data) -#else -# define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1)) -#endif - -#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg) - -#define CMSG_FIRSTHDR(mhdr) \ - ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) \ - ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL) - -#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \ - & (size_t) ~(sizeof (size_t) - 1)) -#define CMSG_SPACE(len) (CMSG_ALIGN (len) \ - + CMSG_ALIGN (sizeof (struct cmsghdr))) -#define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len)) - -extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr, - struct cmsghdr *__cmsg) __THROW; -#ifdef __USE_EXTERN_INLINES -# ifndef _EXTERN_INLINE -# define _EXTERN_INLINE __extern_inline -# endif -_EXTERN_INLINE struct cmsghdr * -__NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)) -{ - if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr)) - /* The kernel header does this so there may be a reason. */ - return NULL; - - __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg - + CMSG_ALIGN (__cmsg->cmsg_len)); - if ((unsigned char *) (__cmsg + 1) > ((unsigned char *) __mhdr->msg_control - + __mhdr->msg_controllen) - || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len) - > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen))) - /* No more entries. */ - return NULL; - return __cmsg; -} -#endif /* Use `extern inline'. */ - -/* Socket level message types. */ -enum - { - SCM_RIGHTS = 0x01, /* Access rights (array of int). */ -#define SCM_RIGHTS SCM_RIGHTS - SCM_TIMESTAMP = 0x02, /* Timestamp (struct timeval). */ -#define SCM_TIMESTAMP SCM_TIMESTAMP - SCM_CREDS = 0x03 /* Process creds (struct cmsgcred). */ -#define SCM_CREDS SCM_CREDS - }; - -/* Unfortunately, BSD practice dictates this structure be of fixed size. - If there are more than CMGROUP_MAX groups, the list is truncated. - (On GNU systems, the `cmcred_euid' field is just the first in the - list of effective UIDs.) */ -#define CMGROUP_MAX 16 - -/* Structure delivered by SCM_CREDS. This describes the identity of the - sender of the data simultaneously received on the socket. By BSD - convention, this is included only when a sender on a AF_LOCAL socket - sends cmsg data of this type and size; the sender's structure is - ignored, and the system fills in the various IDs of the sender process. */ -struct cmsgcred - { - __pid_t cmcred_pid; - __uid_t cmcred_uid; - __uid_t cmcred_euid; - __gid_t cmcred_gid; - int cmcred_ngroups; - __gid_t cmcred_groups[CMGROUP_MAX]; - }; - -/* Protocol number used to manipulate socket-level options - with `getsockopt' and `setsockopt'. */ -#define SOL_SOCKET 0xffff - -/* Socket-level options for `getsockopt' and `setsockopt'. */ -enum - { - SO_DEBUG = 0x0001, /* Record debugging information. */ -#define SO_DEBUG SO_DEBUG - SO_ACCEPTCONN = 0x0002, /* Accept connections on socket. */ -#define SO_ACCEPTCONN SO_ACCEPTCONN - SO_REUSEADDR = 0x0004, /* Allow reuse of local addresses. */ -#define SO_REUSEADDR SO_REUSEADDR - SO_KEEPALIVE = 0x0008, /* Keep connections alive and send - SIGPIPE when they die. */ -#define SO_KEEPALIVE SO_KEEPALIVE - SO_DONTROUTE = 0x0010, /* Don't do local routing. */ -#define SO_DONTROUTE SO_DONTROUTE - SO_BROADCAST = 0x0020, /* Allow transmission of - broadcast messages. */ -#define SO_BROADCAST SO_BROADCAST - SO_USELOOPBACK = 0x0040, /* Use the software loopback to avoid - hardware use when possible. */ -#define SO_USELOOPBACK SO_USELOOPBACK - SO_LINGER = 0x0080, /* Block on close of a reliable - socket to transmit pending data. */ -#define SO_LINGER SO_LINGER - SO_OOBINLINE = 0x0100, /* Receive out-of-band data in-band. */ -#define SO_OOBINLINE SO_OOBINLINE - SO_REUSEPORT = 0x0200, /* Allow local address and port reuse. */ -#define SO_REUSEPORT SO_REUSEPORT - SO_SNDBUF = 0x1001, /* Send buffer size. */ -#define SO_SNDBUF SO_SNDBUF - SO_RCVBUF = 0x1002, /* Receive buffer. */ -#define SO_RCVBUF SO_RCVBUF - SO_SNDLOWAT = 0x1003, /* Send low-water mark. */ -#define SO_SNDLOWAT SO_SNDLOWAT - SO_RCVLOWAT = 0x1004, /* Receive low-water mark. */ -#define SO_RCVLOWAT SO_RCVLOWAT - SO_SNDTIMEO = 0x1005, /* Send timeout. */ -#define SO_SNDTIMEO SO_SNDTIMEO - SO_RCVTIMEO = 0x1006, /* Receive timeout. */ -#define SO_RCVTIMEO SO_RCVTIMEO - SO_ERROR = 0x1007, /* Get and clear error status. */ -#define SO_ERROR SO_ERROR - SO_STYLE = 0x1008, /* Get socket connection style. */ -#define SO_STYLE SO_STYLE - SO_TYPE = SO_STYLE /* Compatible name for SO_STYLE. */ -#define SO_TYPE SO_TYPE - }; - -/* Structure used to manipulate the SO_LINGER option. */ -struct linger - { - int l_onoff; /* Nonzero to linger on close. */ - int l_linger; /* Time to linger. */ - }; - -#endif /* bits/socket.h */ |