mutex_lock function and sasl_set_mutex

[Ted Yu]

Hi,
Looking at sasl_set_mutex function shown
in cyrus-sasl-2.1.26/utils/testsuite.c :

int my_mutex_lock(my_mutex_t *m)
{
    if (m->val != 0)
    {
      fatal("Trying to lock a mutex already locked [single-threaded app]");
    }

Wouldn't calling pthread_mutex_lock() better handle concurrent invocations
of the mutex lock function ?

Thanks
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