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PgDatabase, on heap construction results in SIGSEGV.
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QAIX > PostgreSQL database development > PgDatabase, on heap construction results in SIGSEGV. 1 September 2008 06:32:09
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PgDatabase, on heap construction results in SIGSEGV.

Savage 1 September 2008 06:32:09
 I am having a problem constructing a PgDatabase object. If I create
the object on the stack (as a var local to a function) then it
constructs and connects to the DB ok. But, if I create and construct
the object on the heap, a SIGSEGV occurs within libpq++.so.4.

Has anyone got any ideas what could be causing this? I have only been
programming under linux for a month or so at this stage, but I've a
lot of Win32 experience. Any pointers to things that a Win32 to Linux
newbie would not be aware of would be much appreciated.

Thanks,
John

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Jeroen T. Vermeulen 18 October 2002 17:23:08 [ permanent link ]
 On Tue, Oct 15, 2002 at 07:26:25PM -0700, Savage wrote:> I am having a problem constructing a PgDatabase object. If I create> the object on the stack (as a var local to a function) then it> constructs and connects to the DB ok. But, if I create and construct> the object on the heap, a SIGSEGV occurs within libpq++.so.4.

Are you sure that's exactly where and why it occurs? I can't think of
any reason why libpq++ should care whether you use "PgDatabase Foo;" or
"PgDatabase *Bar = new PgDatabase;" - so could you post some minimal
code sample that produces the problem?

(Gratuitous plug: you may also want to look at libpqxx, the more modern
replacement for libp++: http://gborg.postgr­esql.org/project/lib­pqxx/ )


Jeroen


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QAIX > PostgreSQL database development > PgDatabase, on heap construction results in SIGSEGV. 1 September 2008 06:32:09
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