[CentOS] socket: write vs send
Les Mikesell
lesmikesell at gmail.com
Tue Apr 6 19:37:27 UTC 2010
On 4/6/2010 2:16 PM, Michael D. Berger wrote:
> On CentOS 5.4,
> Linux 2.6.18-164.6.1.el5 #1 SMP Tue Nov 3 16:18:27 EST 2009
> i686 i686 i386 GNU/Linux
>
> In man 2 send I find:
>
> The send() call may be used only when the socket is in a connected
> state (so that the intended recipient is known). The only difference
> between send() and write() is the presence of flags. With zero flags
> parameter, send() is equivalent to write().
>
> In some complex server software, if the client disconnects:
> send: delivers errno == ECONNRESET
> but
> write: crashes the server process.
>
> So it is not really equivalent. Any thoughts on this?
Are you sure it isn't the normal signal associated with a write when the
other end closes first that is crashing the process?
--
Les Mikesell
lesmikesell at gmail.com
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