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[Help-smalltalk] Re: [PATCH] Remove unused variable from File class>>#ch
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From: |
Holger Hans Peter Freyther |
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Subject: |
[Help-smalltalk] Re: [PATCH] Remove unused variable from File class>>#checkError: |
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Date: |
Sun, 20 Jun 2010 23:22:07 +0800 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.9) Gecko/20100430 Fedora/3.0.4-3.fc13 Lightning/1.0b1 Thunderbird/3.0.4 |
On 06/18/2010 05:34 PM, Paolo Bonzini wrote:
>> Sorry, of course we need to pass the port as a number... the point is
>> more that binding to googles public ip on my system should fail and it
>> didn't.
>
> Why? You just won't get any datagram, AFAIU.
Sure, you will not get any datagram and the read should fail pretty fast.
st> Sockets.DatagramSocket local: '8.8.8.8' port: 23000
Sockets.DatagramSocket[0.0.0.0:0]
generates the following syscalls:
bind(3, {sa_family=AF_INET, sin_port=htons(23000),
sin_addr=inet_addr("8.8.8.8")}, 16) = -1 EADDRNOTAVAIL (Cannot assign
requested address)
rt_sigprocmask(SIG_BLOCK, ~[QUIT ILL ABRT BUS SEGV RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
getsockopt(3, SOL_SOCKET, SO_ERROR, [0], [4]) = 0
rt_sigprocmask(SIG_BLOCK, ~[QUIT ILL ABRT BUS SEGV RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
getsockname(3, {sa_family=AF_INET, sin_port=htons(0),
sin_addr=inet_addr("0.0.0.0")}, [16]) = 0
and I think the failure of the bind should be propagated as an
exception, it does not as the SOL_ERROR is not reporting any error (okay
I didn't verify that).