haiku/headers/posix/sys/socket.h
Ingo Weinhold d29deffa2c Added the Linuxish SO_PEERCRED.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25303 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-05-04 00:28:27 +00:00

192 lines
6.2 KiB
C

/*
* Copyright 2002-2007, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _SYS_SOCKET_H
#define _SYS_SOCKET_H
#include <stdint.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/uio.h>
typedef uint32_t socklen_t;
/* Address families */
#define AF_UNSPEC 0
#define AF_INET 1
#define AF_APPLETALK 2
#define AF_ROUTE 3
#define AF_LINK 4
#define AF_INET6 5
#define AF_DLI 6
#define AF_IPX 7
#define AF_NOTIFY 8
#define AF_LOCAL 9
#define AF_UNIX AF_LOCAL
#define AF_MAX 10
/* Protocol families, deprecated */
#define PF_UNSPEC AF_UNSPEC
#define PF_INET AF_INET
#define PF_ROUTE AF_ROUTE
#define PF_LINK AF_LINK
#define PF_INET6 AF_INET6
#define PF_LOCAL AF_LOCAL
#define PF_UNIX AF_UNIX
/* Socket types */
#define SOCK_STREAM 1
#define SOCK_DGRAM 2
#define SOCK_RAW 3
#define SOCK_MISC 255
/* Socket options for SOL_SOCKET level */
#define SOL_SOCKET -1
#define SO_ACCEPTCONN 0x00000001 /* socket has had listen() */
#define SO_BROADCAST 0x00000002 /* permit sending of broadcast msgs */
#define SO_DEBUG 0x00000004 /* turn on debugging info recording */
#define SO_DONTROUTE 0x00000008 /* just use interface addresses */
#define SO_KEEPALIVE 0x00000010 /* keep connections alive */
#define SO_OOBINLINE 0x00000020 /* leave received OOB data in line */
#define SO_REUSEADDR 0x00000040 /* allow local address reuse */
#define SO_REUSEPORT 0x00000080 /* allow local address & port reuse */
#define SO_USELOOPBACK 0x00000100 /* bypass hardware when possible */
#define SO_LINGER 0x00000200 /* linger on close if data present */
#define SO_SNDBUF 0x40000001 /* send buffer size */
#define SO_SNDLOWAT 0x40000002 /* send low-water mark */
#define SO_SNDTIMEO 0x40000003 /* send timeout */
#define SO_RCVBUF 0x40000004 /* receive buffer size */
#define SO_RCVLOWAT 0x40000005 /* receive low-water mark */
#define SO_RCVTIMEO 0x40000006 /* receive timeout */
#define SO_ERROR 0x40000007 /* get error status and clear */
#define SO_TYPE 0x40000008 /* get socket type */
#define SO_NONBLOCK 0x40000009
#define SO_BINDTODEVICE 0x4000000a
#define SO_PEERCRED 0x4000000b /* get peer credentials, param: ucred */
/* Shutdown options */
#define SHUT_RD 0
#define SHUT_WR 1
#define SHUT_RDWR 2
#define SOMAXCONN 32 /* Max listen queue for a socket */
struct linger {
int l_onoff;
int l_linger;
};
struct sockaddr {
uint8_t sa_len;
uint8_t sa_family;
uint8_t sa_data[30];
};
struct sockaddr_storage {
uint8_t ss_len; /* total length */
uint8_t ss_family; /* address family */
uint8_t __ss_pad1[6]; /* align to quad */
uint64_t __ss_pad2; /* force alignment to 64 bit */
uint8_t __ss_pad3[112]; /* pad to a total of 128 bytes */
};
struct msghdr {
void *msg_name; /* address we're using (optional) */
socklen_t msg_namelen; /* length of address */
struct iovec *msg_iov; /* scatter/gather array we'll use */
int msg_iovlen; /* # elements in msg_iov */
void *msg_control; /* extra data */
socklen_t msg_controllen; /* length of extra data */
int msg_flags; /* flags */
};
/* Flags for the msghdr.msg_flags field */
#define MSG_OOB 0x0001 /* process out-of-band data */
#define MSG_PEEK 0x0002 /* peek at incoming message */
#define MSG_DONTROUTE 0x0004 /* send without using routing tables */
#define MSG_EOR 0x0008 /* data completes record */
#define MSG_TRUNC 0x0010 /* data discarded before delivery */
#define MSG_CTRUNC 0x0020 /* control data lost before delivery */
#define MSG_WAITALL 0x0040 /* wait for full request or error */
#define MSG_DONTWAIT 0x0080 /* this message should be nonblocking */
#define MSG_BCAST 0x0100 /* this message rec'd as broadcast */
#define MSG_MCAST 0x0200 /* this message rec'd as multicast */
#define MSG_EOF 0x0400 /* data completes connection */
struct cmsghdr {
socklen_t cmsg_len;
int cmsg_level;
int cmsg_type;
/* data follows */
};
/* cmsghdr access macros */
#define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) \
+ _ALIGN(sizeof(struct cmsghdr)))
#define CMSG_NXTHDR(mhdr, cmsg) \
(((char *)(cmsg) + _ALIGN((cmsg)->cmsg_len) \
+ _ALIGN(sizeof(struct cmsghdr)) \
> (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) \
? (struct cmsghdr *)NULL \
: (struct cmsghdr *)((char *)(cmsg) + _ALIGN((cmsg)->cmsg_len)))
#define CMSG_FIRSTHDR(mhdr) \
((mhdr)->msg_controllen >= sizeof(struct cmsghdr) \
? (struct cmsghdr *)(mhdr)->msg_control \
: (struct cmsghdr *)NULL)
#define CMSG_SPACE(len) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(len))
#define CMSG_LEN(len) (_ALIGN(sizeof(struct cmsghdr)) + (len))
#define CMSG_ALIGN(len) _ALIGN(len)
/* SOL_SOCKET control message types */
#define SCM_RIGHTS 0x01
/* parameter to SO_PEERCRED */
struct ucred {
pid_t pid; /* PID of sender */
uid_t uid; /* UID of sender */
gid_t gid; /* GID of sender */
};
#if __cplusplus
extern "C" {
#endif
int accept(int socket, struct sockaddr *address, socklen_t *_addressLength);
int bind(int socket, const struct sockaddr *address,
socklen_t addressLength);
int connect(int socket, const struct sockaddr *address,
socklen_t addressLength);
int getpeername(int socket, struct sockaddr *address,
socklen_t *_addressLength);
int getsockname(int socket, struct sockaddr *address,
socklen_t *_addressLength);
int getsockopt(int socket, int level, int option, void *value,
socklen_t *_length);
int listen(int socket, int backlog);
ssize_t recv(int socket, void *buffer, size_t length, int flags);
ssize_t recvfrom(int socket, void *buffer, size_t bufferLength, int flags,
struct sockaddr *address, socklen_t *_addressLength);
ssize_t recvmsg(int socket, struct msghdr *message, int flags);
ssize_t send(int socket, const void *buffer, size_t length, int flags);
ssize_t sendmsg(int socket, const struct msghdr *message, int flags);
ssize_t sendto(int socket, const void *message, size_t length, int flags,
const struct sockaddr *address, socklen_t addressLength);
int setsockopt(int socket, int level, int option, const void *value,
socklen_t length);
int shutdown(int socket, int how);
int socket(int domain, int type, int protocol);
int sockatmark(int socket);
int socketpair(int domain, int type, int protocol, int socketVector[2]);
#if __cplusplus
}
#endif
#endif /* _SYS_SOCKET_H */