diff options
Diffstat (limited to 'lib/libc/sys/bind.2')
| -rw-r--r-- | lib/libc/sys/bind.2 | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/lib/libc/sys/bind.2 b/lib/libc/sys/bind.2 index 18512e2..ce6ca0c 100644 --- a/lib/libc/sys/bind.2 +++ b/lib/libc/sys/bind.2 @@ -41,7 +41,7 @@ .Fd #include <sys/types.h> .Fd #include <sys/socket.h> .Ft int -.Fn bind "int s" "struct sockaddr *name" "int namelen" +.Fn bind "int s" "const struct sockaddr *name" "int namelen" .Sh DESCRIPTION .Fn Bind assigns a name to an unnamed socket. @@ -62,6 +62,28 @@ needed (using .Pp The rules used in name binding vary between communication domains. Consult the manual entries in section 4 for detailed information. +.Sh IMPLEMENTATION NOTES +.Pp +In the non-threaded library +.Fn bind +is implemented as the +.Va bind +syscall. +.Pp +In the threaded library, the +.Va bind +syscall is assembled to +.Fn _thread_sys_bind +and +.Fn bind +is implemented as a function which locks +.Va s +for read and write, then calls +.Fn _thread_sys_bind . +Before returning, +.Fn bind +unlocks +.Va s . .Sh RETURN VALUES If the bind is successful, a 0 value is returned. A return value of -1 indicates an error, which is @@ -82,8 +104,6 @@ is not a socket. The specified address is not available from the local machine. .It Bq Er EADDRINUSE The specified address is already in use. -.It Bq Er EINVAL -The socket is already bound to an address. .It Bq Er EACCES The requested address is protected, and the current user has inadequate permission to access it. @@ -116,11 +136,11 @@ An empty pathname was specified. .El .Sh SEE ALSO .Xr connect 2 , +.Xr getsockname 2 , .Xr listen 2 , -.Xr socket 2 , -.Xr getsockname 2 +.Xr socket 2 .Sh HISTORY The -.Nm +.Fn bind function call appeared in .Bx 4.2 . |
