From: | Brendan Rempel <rempelb(at)cybersoft(dot)ab(dot)ca> |
---|---|
To: | pgsql-interfaces(at)postgresql(dot)org |
Subject: | pThread and libpq problem |
Date: | 1998-08-25 18:25:18 |
Message-ID: | 35E3018E.17736CEA@cybersoft.ab.ca |
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Lists: | pgsql-interfaces |
Hello,
I just started using libpq. I got a single process accessing and
quering a database without a hitch. But when I copied the code to a
pthread callback function, I get an immediate "segmentation fault"
(running under Red-Hat Linux release 5.0 on i586). I thinned out all
the necessary code to reproduce this error and tracked it down to a
single call:
void *server(void *arg)
{
PGconn conn = PQsetdb(pghostNull, pgportNull, pgoptionsNull,
pgttyNull,DbName);
...
This code has no problems running in a single threaded executable. I
read back issues of this mailing list and found several people using
libpq in multithreaded programs, so I am probably doing something
obviously wrong. I don't know if it matters, but I am using C++ with
libpq C library. But if anybody can help me, it would be appreciated.
Thanks in advance,
Brendan
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