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32 .\" @(#)bind.2 8.1 (Berkeley) 6/4/93
40 .Nd assign a local protocol address to a socket
44 .Fd #include <sys/types.h>
45 .Fd #include <sys/socket.h>
47 .Fn bind "int s" "const struct sockaddr *addr" "socklen_t addrlen"
50 assigns the local protocol address to a socket.
51 When a socket is created
54 it exists in an address family space but has no protocol address assigned.
58 be assigned to the socket.
60 Binding an address in the UNIX domain creates a socket in the file
61 system that must be deleted by the caller when it is no longer
65 The rules used in address binding vary between communication domains.
66 Consult the manual entries in section 4 for detailed information.
67 .Sh IMPLEMENTATION NOTES
68 In the non-threaded library
74 In the threaded library, the
76 syscall is assembled to
80 is implemented as a function which locks
82 for read and write, then calls
83 .Fn _thread_sys_bind .
96 Kernel resources to complete the request are
97 temporarily unavilable.
100 is not a valid descriptor.
104 .It Bq Er EADDRNOTAVAIL
105 The specified address is not available from the local machine.
107 The specified address is already in use.
109 The requested address is protected, and the current user
110 has inadequate permission to access it.
114 parameter is not in a valid part of the user
118 The following errors are specific to binding addresses in the UNIX domain.
119 .Bl -tag -width EADDRNOTAVA
121 A component of the path prefix is not a directory.
122 .It Bq Er ENAMETOOLONG
123 A component of a pathname exceeded 255 characters,
124 or an entire path name exceeded 1023 characters.
126 A prefix component of the path name does not exist.
128 Too many symbolic links were encountered in translating the pathname.
130 An I/O error occurred while making the directory entry or allocating the inode.
132 The name would reside on a read-only file system.
134 An empty pathname was specified.
144 function call appeared in