1 #ifndef _SYS_SOCKET_H
2 #include <socket/sys/socket.h>
3
4 #ifndef _ISOMAC
5 /* Now define the internal interfaces. */
6
7 /* Create a new socket of type TYPE in domain DOMAIN, using
8 protocol PROTOCOL. If PROTOCOL is zero, one is chosen automatically.
9 Returns a file descriptor for the new socket, or -1 for errors. */
10 extern int __socket (int __domain, int __type,
11 int __protocol);
12 libc_hidden_proto (__socket)
13
14 /* Create two new sockets, of type TYPE in domain DOMAIN and using
15 protocol PROTOCOL, which are connected to each other, and put file
16 descriptors for them in FDS[0] and FDS[1]. If PROTOCOL is zero,
17 one will be chosen automatically. Returns 0 on success, -1 for errors. */
18 extern int __socketpair (int __domain, int __type, int __protocol,
19 int __fds[2]) attribute_hidden;
20
21 /* Return a socket of any type. The socket can be used in subsequent
22 ioctl calls to talk to the kernel. */
23 extern int __opensock (void) attribute_hidden;
24
25 /* Put the address of the peer connected to socket FD into *ADDR
26 (which is *LEN bytes long), and its actual length into *LEN. */
27 extern int __getpeername (int __fd, __SOCKADDR_ARG __addr,
28 socklen_t *__len) attribute_hidden;
29
30 /* Send N bytes of BUF to socket FD. Returns the number sent or -1. */
31 extern ssize_t __libc_send (int __fd, const void *__buf, size_t __n,
32 int __flags);
33 extern ssize_t __send (int __fd, const void *__buf, size_t __n, int __flags);
34 libc_hidden_proto (__send)
35
36 /* Read N bytes into BUF from socket FD.
37 Returns the number read or -1 for errors. */
38 extern ssize_t __libc_recv (int __fd, void *__buf, size_t __n, int __flags);
39
40 /* Send N bytes of BUF on socket FD to peer at address ADDR (which is
41 ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
42 extern ssize_t __libc_sendto (int __fd, const void *__buf, size_t __n,
43 int __flags, __CONST_SOCKADDR_ARG __addr,
44 socklen_t __addr_len);
45
46 /* Read N bytes into BUF through socket FD.
47 If ADDR is not NULL, fill in *ADDR_LEN bytes of it with the address of
48 the sender, and store the actual size of the address in *ADDR_LEN.
49 Returns the number of bytes read or -1 for errors. */
50 extern ssize_t __libc_recvfrom (int __fd, void *__restrict __buf, size_t __n,
51 int __flags, __SOCKADDR_ARG __addr,
52 socklen_t *__restrict __addr_len);
53
54 /* Open a connection on socket FD to peer at ADDR (which LEN bytes long).
55 For connectionless socket types, just set the default address to send to
56 and the only address from which to accept transmissions.
57 Return 0 on success, -1 for errors. */
58 extern int __libc_connect (int __fd, __CONST_SOCKADDR_ARG __addr,
59 socklen_t __len);
60 extern int __connect (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len);
61 libc_hidden_proto (__connect)
62
63 /* Read N bytes into BUF from socket FD.
64 Returns the number read or -1 for errors.
65
66 This function is a cancellation point and therefore not marked with
67 __THROW. */
68 extern ssize_t __recv (int __fd, void *__buf, size_t __n, int __flags);
69 libc_hidden_proto (__recv)
70
71 /* Send N bytes of BUF on socket FD to peer at address ADDR (which is
72 ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
73 extern ssize_t __libc_sendto (int __fd, const void *__buf, size_t __n,
74 int __flags, __CONST_SOCKADDR_ARG __addr,
75 socklen_t __addr_len);
76 extern ssize_t __sendto (int __fd, const void *__buf, size_t __n,
77 int __flags, __CONST_SOCKADDR_ARG __addr,
78 socklen_t __addr_len) attribute_hidden;
79
80 /* Read N bytes into BUF through socket FD.
81 If ADDR is not NULL, fill in *ADDR_LEN bytes of it with the address of
82 the sender, and store the actual size of the address in *ADDR_LEN.
83 Returns the number of bytes read or -1 for errors. */
84 extern ssize_t __recvfrom (int __fd, void *__restrict __buf, size_t __n,
85 int __flags, __SOCKADDR_ARG __addr,
86 socklen_t *__restrict __addr_len) attribute_hidden;
87
88 /* Send a message described MESSAGE on socket FD.
89 Returns the number of bytes sent, or -1 for errors. */
90 extern ssize_t __libc_sendmsg (int __fd, const struct msghdr *__message,
91 int __flags);
92 extern ssize_t __sendmsg (int __fd, const struct msghdr *__message,
93 int __flags) attribute_hidden;
94
95 #ifdef __USE_GNU
96 extern int __sendmmsg (int __fd, struct mmsghdr *__vmessages,
97 unsigned int __vlen, int __flags);
98 libc_hidden_proto (__sendmmsg)
99 #endif
100
101 extern ssize_t __libc_recvmsg (int __fd, struct msghdr *__message,
102 int __flags);
103 extern ssize_t __recvmsg (int __fd, struct msghdr *__message,
104 int __flags) attribute_hidden;
105 #if __TIMESIZE == 64
106 # define __libc_recvmsg64 __libc_recvmsg
107 # define __recvmsg64 __recvmsg
108 # define __recvmmsg64 __recvmmsg
109 #else
110 extern ssize_t __libc_recvmsg64 (int __fd, struct msghdr *__message,
111 int __flags);
112 extern ssize_t __recvmsg64 (int __fd, struct msghdr *__message,
113 int __flags);
114 /* Receive a message as described by MESSAGE from socket FD.
115 Returns the number of bytes read or -1 for errors. */
116 extern int __recvmmsg64 (int __fd, struct mmsghdr *vmessages,
117 unsigned int vlen, int flags,
118 struct __timespec64 *timeout);
119 libc_hidden_proto (__recvmmsg64)
120 #endif
121
122 /* Set socket FD's option OPTNAME at protocol level LEVEL
123 to *OPTVAL (which is OPTLEN bytes long).
124 Returns 0 on success, -1 for errors. */
125 extern int __setsockopt (int __fd, int __level, int __optname,
126 const void *__optval,
127 socklen_t __optlen);
128 libc_hidden_proto (__setsockopt)
129
130 /* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
131 into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's
132 actual length. Returns 0 on success, -1 for errors. */
133 extern int __getsockopt (int __fd, int __level, int __optname,
134 void *__restrict __optval,
135 socklen_t *__restrict __optlen) attribute_hidden;
136
137 /* Put the local address of FD into *ADDR and its length in *LEN. */
138 extern int __getsockname (int __fd, __SOCKADDR_ARG __addr,
139 socklen_t *__restrict __len) attribute_hidden;
140
141 /* Give the socket FD the local address ADDR (which is LEN bytes long). */
142 extern int __bind (int __fd, __CONST_SOCKADDR_ARG __addr,
143 socklen_t __len) attribute_hidden;
144
145 /* Prepare to accept connections on socket FD.
146 N connection requests will be queued before further requests are refused.
147 Returns 0 on success, -1 for errors. */
148 extern int __listen (int __fd, int __n) attribute_hidden;
149
150 /* Await a connection on socket FD.
151 When a connection arrives, open a new socket to communicate with it,
152 set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
153 peer and *ADDR_LEN to the address's actual length, and return the
154 new socket's descriptor, or -1 for errors. */
155 extern int __libc_accept (int __fd, __SOCKADDR_ARG __addr,
156 socklen_t *__restrict __addr_len)
157 __THROW attribute_hidden;
158 libc_hidden_proto (accept)
159 extern int __libc_accept4 (int __fd, __SOCKADDR_ARG __addr,
160 socklen_t *__restrict __addr_len, int __flags)
161 __THROW attribute_hidden;
162
163 /* Return the length of a `sockaddr' structure. */
164 #ifdef _HAVE_SA_LEN
165 # define SA_LEN(_x) (_x)->sa_len
166 #else
167 extern int __libc_sa_len (sa_family_t __af);
168 libc_hidden_proto (__libc_sa_len)
169 # define SA_LEN(_x) __libc_sa_len((_x)->sa_family)
170 #endif
171
172 libc_hidden_proto (__cmsg_nxthdr)
173
174 #ifndef __ASSUME_TIME64_SYSCALLS
175 extern void __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
176 attribute_hidden;
177 #endif
178
179 #endif
180 #endif