From: victor
By default apr_cv_mutex_recursive in apr is set to "no" and this leads
to the APRENOTIMPL return value of apr_thread_mutex_create in thread_mutex.c
when
APR_THREAD_MUTEX_NESTED is requested via flags which leads to a deadlock in
applications
using apr, as observed in an application
From: victor
Working with the meta-ros project we detected that the ROS nodes didn't launch
properly
the reason was that by default apr_cv_mutex_recursive in apr is set to no and
this leads
to the APRENOTIMPL return value of apr_thread_mutex_create in thread_mutex.c
when
APR_THREAD_MUTEX_NESTE