/* System-specific socket constants and types. Linux version.
- Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
+ Copyright (C) 1991, 92, 94, 95, 96, 97, 98 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
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#ifndef _SYS_SOCKET_H
-#error "Never include <bits/socket.h> directly; use <sys/socket.h> instead."
-#endif
-
+#ifndef __BITS_SOCKET_H
+#define __BITS_SOCKET_H
-#include <features.h>
+#if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H
+# error "Never include <bits/socket.h> directly; use <sys/socket.h> instead."
+#endif
#define __need_size_t
#define __need_NULL
#include <sys/types.h>
-__BEGIN_DECLS
-
/* Type for length arguments in socket calls. */
typedef unsigned int socklen_t;
#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_FILE PF_LOCAL /* Another non-standard name for PF_LOCAL. */
#define PF_INET 2 /* IP protocol family. */
#define PF_AX25 3 /* Amateur Radio AX.25. */
#define PF_IPX 4 /* Novell Internet Protocol. */
-#define PF_APPLETALK 5 /* Don't use this. */
+#define PF_APPLETALK 5 /* Appletalk DDP. */
#define PF_NETROM 6 /* Amateur radio NetROM. */
#define PF_BRIDGE 7 /* Multiprotocol bridge. */
-#define PF_AAL5 8 /* Reserved for Werner's ATM. */
+#define PF_ATMPVC 8 /* ATM PVCs. */
#define PF_X25 9 /* Reserved for X.25 project. */
#define PF_INET6 10 /* IP version 6. */
-#define PF_MAX 12 /* For now.. */
+#define PF_ROSE 11 /* Amateur Radio X.25 PLP. */
+#define PF_DECnet 12 /* Reserved for DECnet project. */
+#define PF_NETBEUI 13 /* Reserved for 802.2LLC project. */
+#define PF_SECURITY 14 /* Security callback pseudo AF. */
+#define PF_KEY 15 /* PF_KEY key management API. */
+#define PF_NETLINK 16
+#define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD. */
+#define PF_PACKET 17 /* Packet family. */
+#define PF_ASH 18 /* Ash. */
+#define PF_ECONET 19 /* Acorn Econet. */
+#define PF_ATMSVC 20 /* ATM SVCs. */
+#define PF_SNA 22 /* Linux SNA Project */
+#define PF_MAX 32 /* For now.. */
/* Address families. */
#define AF_UNSPEC PF_UNSPEC
#define AF_APPLETALK PF_APPLETALK
#define AF_NETROM PF_NETROM
#define AF_BRIDGE PF_BRIDGE
-#define AF_AAL5 PF_AAL5
+#define AF_ATMPVC PF_ATMPVC
#define AF_X25 PF_X25
#define AF_INET6 PF_INET6
+#define AF_ROSE PF_ROSE
+#define AF_DECnet PF_DECnet
+#define AF_NETBEUI PF_NETBEUI
+#define AF_SECURITY PF_SECURITY
+#define pseudo_AF_KEY PF_KEY
+#define AF_NETLINK PF_NETLINK
+#define AF_ROUTE PF_ROUTE
+#define AF_PACKET PF_PACKET
+#define AF_ASH PF_ASH
+#define AF_ECONET PF_ECONET
+#define AF_ATMSVC PF_ATMSVC
+#define AF_SNA PF_SNA
#define AF_MAX PF_MAX
/* Socket level values. Others are defined in the appropriate headers.
#define SOL_IPV6 41
#define SOL_ICMPV6 58
#define SOL_RAW 255
-#define SOL_AX25 257
-#define SOL_ATALK 258
-#define SOL_NETROM 259
-#define SOL_ROSE 260
#define SOL_DECNET 261
#define SOL_X25 262
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_CTRUNC = 0x08, /* Control data lost before delivery. */
+#define MSG_CTRUNC MSG_CTRUNC
MSG_PROXY = 0x10 /* Supply or ask second address. */
+#define MSG_PROXY MSG_PROXY
};
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. */
+ size_t msg_iovlen; /* Number of elements in the vector. */
__ptr_t msg_control; /* Ancillary data (eg BSD filedesc passing). */
- socklen_t msg_controllen; /* Ancillary data buffer length. */
+ size_t msg_controllen; /* Ancillary data buffer length. */
int msg_flags; /* Flags on 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
+ size_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. */
return (struct cmsghdr *) __p;
}
+/* Socket level message types. This must match the definitions in
+ <linux/socket.h>. */
+enum
+ {
+ SCM_RIGHTS = 0x01, /* Transfer file descriptors. */
+#define SCM_RIGHTS SCM_RIGHTS
+#ifdef __USE_BSD
+ SCM_CREDS = 0x02, /* BSD-compatible credentials passing. */
+# define SCM_CREDS SCM_CREDS
+#endif
+ __SCM_CONNECT = 0x03, /* Data array is `struct scm_connect'. */
+ };
+
+#ifdef __USE_BSD
+
+/* User visible structure for SCM_CREDS message
+ (chosen for BSD source compatibility) */
+
+# define CMGROUP_MAX 16 /* Linux does not provide this info, so it doesn't
+ matter... use what bsd does. */
+struct cmsgcred
+{
+ pid_t cmcred_pid; /* PID of sending process. */
+ uid_t cmcred_uid; /* Real UID of sending process. */
+ uid_t cmcred_euid; /* Effective UID of sending process. */
+ gid_t cmcred_gid; /* Real GID of sending process. */
+ short int cmcred_ngroups; /* Number or groups. */
+ gid_t cmcred_groups[CMGROUP_MAX]; /* Groups. */
+};
+#endif
/* Get socket manipulation related informations from kernel headers. */
#include <asm/socket.h>
int l_linger; /* Time to linger. */
};
-__END_DECLS
+#endif /* bits/socket.h */
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