Is mysql_real_connect thread safe?

Hi,

I'm working on a multi-threaded daemon written in C/C++ for FreeBSD. This daemon uses libmysqlclient_r.so.15 to query a mysql db. Both libmysqlclient_r and the daemon are compiled with -lpthread and all threads are initialized with mysql_init. If I startup this daemon process at system bootup (through rc.d) then I get the following core, but it seems to work fine if I start it manually (after system bootup). Would really appreciate any help on this.

#0 0x2846926f in pthread_testcancel () from /usr/lib/libpthread.so.1
(gdb) bt
#0 0x2846926f in pthread_testcancel () from /usr/lib/libpthread.so.1
#1 0x28461856 in pthread_mutexattr_init () from /usr/lib/libpthread.so.1
#2 0x00000000 in ?? ()

(gdb) info threads
* 5 LWP 100248 0x2846926f in pthread_testcancel () from /usr/lib/libpthread.so.1
 4 Thread 4 (runnable) 0x287a269b in my_stat () from /usr/local/aspera/lib/libmysqlclient_r.so.15   3 Thread 3 (LWP 100252) 0x2846924f in pthread_testcancel () from /usr/lib/libpthread.so.1
 2 Thread 2 (sleeping) 0x2846115b in pthread_mutexattr_init () from /usr/lib/libpthread.so.1
 1 Thread 1 (runnable) 0x285ac907 in read () from /lib/libc.so.5

thanks in advance

Dhammika

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