mysql C API hang

Hello,
sry about my bad english.

in code is something this:
sprintf(query,"update database.table set  something='something else' where
username='someone'");
mysql_query(&mysql,query);

and it works. This program runs long time (always connected to mysql) and
after 6-7 days same query hang it.

(gdb) bt
#0  0x40128f14 in __libc_read () from /lib/libc.so.6
#1  0x40069554 in _no_db_ () from /usr/lib/libmysqlclient.so.10
#2  0x40058895 in net_real_write () from /usr/lib/libmysqlclient.so.10
#3  0x40058ab6 in my_net_read () from /usr/lib/libmysqlclient.so.10
#4  0x40054d27 in _init () from /usr/lib/libmysqlclient.so.10
#5  0x40056d0d in mysql_read_query_result () from
/usr/lib/libmysqlclient.so.10
#6  0x40057cba in mysql_real_query () from /usr/lib/libmysqlclient.so.10
#7  0x40057c49 in mysql_query () from /usr/lib/libmysqlclient.so.10
#8  0x80578a9 in save_user_details (user=0x81517b8, save_current=1) at
myprogram.c:3482

any ideas?


Karl
[email protected]


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