C++ interface problem with libpq.so.3

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От Kemin Zhou
Тема C++ interface problem with libpq.so.3
Дата
Msg-id 40FC18CC.8030108@ferring.com
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Ответы Re: C++ interface problem with libpq.so.3
Список pgsql-sql
I have writte a simple program to access PGDB from a C++ program using 
the libpq++-4.0

Most of time it runs perfect.  This morning, it was working fine.  Then 
later it stopped working.
The symptom is that my program went to asleep.

The stack trace:

#0  0xffffe002 in ?? ()
#1  0x40120808 in pqSocketPoll () from /usr/local/pgsql/lib/libpq.so.3
#2  0x401206ed in pqSocketCheck () from /usr/local/pgsql/lib/libpq.so.3
#3  0x401205f7 in pqWaitTimed () from /usr/local/pgsql/lib/libpq.so.3
#4  0x401205b6 in pqWait () from /usr/local/pgsql/lib/libpq.so.3
#5  0x4011e13a in PQgetResult () from /usr/local/pgsql/lib/libpq.so.3
#6  0x4011e3fb in PQexecFinish () from /usr/local/pgsql/lib/libpq.so.3
#7  0x4001a722 in PgConnection::Exec(char const*) ()  from /usr/local/pgsql/lib/libpq++.so.4
#8  0x4001a798 in PgConnection::ExecTuplesOk(char const*) ()  from /usr/local/pgsql/lib/libpq++.so.4
#9  0x0804d695 in main (argc=9, argv=0xbfffd6d4) at tabaln.cpp:112
#10 0x42015574 in __libc_start_main () from /lib/tls/libc.so.6

=====
looks like that it is having trouble loading a function.

Is my computer system screewed up, is my compiler (gcc 3.3) doing 
something wrong, or what?
If you have seen this behavior let me know.  I am kind of having no clue 
where to start.

Kemin



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