From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Florian Hars <hars(at)bik-gmbh(dot)de> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
Subject: | Re: [BUGS] BUG #1467: fe_connect doesn't handle EINTR right |
Date: | 2005-06-07 01:19:31 |
Message-ID: | 200506070119.j571JV206888@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-bugs pgsql-hackers |
Would someone comment on this bug report from February? I can confirm
the code is unchanged and is in function fe-connect.c::PQconnectPoll().
---------------------------------------------------------------------------
Florian Hars wrote:
>
> The following bug has been logged online:
>
> Bug reference: 1467
> Logged by: Florian Hars
> Email address: hars(at)bik-gmbh(dot)de
> PostgreSQL version: 8.0.1
> Operating system: All
> Description: fe_connect doesn't handle EINTR right
> Details:
>
> The file pgsql/src/interfaces/libpq/fe-connect.c contains the code fragment
>
> retry_connect:
> if (connect(conn->sock, addr_cur->ai_addr,
> addr_cur->ai_addrlen) < 0)
> {
> if (SOCK_ERRNO == EINTR)
> /* Interrupted system call - just try again */
> goto retry_connect;
> }
>
> This is not in accordance with a strict legalistic reading of the POSIX
> spec, according to which connect is not restartable so that you have to use
> select or poll after connect returned with EINTR.
>
> See
> http://www.eleves.ens.fr:8080/home/madore/computers/connect-intr.html
> for the ugly details, your code should work on Linux, but not on Solaris or
> (Free|Open)BSD.
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
>
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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