Re: [BEHAVE] (no subject)

[Tom Taylor <[e-mail]>]

The POSIX.1 specification for Connect() says the following:

"If the socket has not already been bound to a local address, connect() 
shall bind it to an address which, unless the socket's address family is 
AF_UNIX, is an unused local address."

On 27/06/2013 10:56 AM, Simon Perreault wrote:
> Le 2013-06-27 16:51, ivan c a écrit :
>> This is taken from "The Open Group Base Specifications" (or informally
>> The
>> Single Unix Specification), by the IEEE.
>> Volume "System Interfaces", function "bind()":
>>
>>
>> "The bind() function shall fail if:
>>
>> [EADDRINUSE]
>>      The specified address is already in use."
>
> Unless I misunderstand, there is no call to bind() in the sample that
> you assert is prohibited by POSIX:
>
> s1 = socket(..., SOCK_DGRAM, ...);
> s2 = socket(..., SOCK_DGRAM, ...);
> connect(s1, ...);
> connect(s2, ...);
>
> About that code, I said: "The kernel is free to use the same local
> endpoint for those two sockets as long as the remote endpoint is
> different."
>
> To which you replied: "Your pseudo-code will never bind the sockets on
> the same local endpoint. It is forbidden POSIX behavior."
>
> Simon
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