2011/3/9 Massimo Manghi <massimo.man...@unipr.it>: > the subject might suggest the message is an off-topic > for the list.
Technically it is, d...@apr.apache.org would have been a better place for it. > To put it simple my question is: can every module in APR be used > also to build standalone applications? More specifically: can > apr_global_mutex_* calls be used this way? Yes to both (first-hand experience talking here). > The very first version of this program creates a global mutex > and wants to use it to synchronize access to a resource shared > between parent and child processes (a shared memory area) > > I've found out that, when used this way, > apr_global_mutex_[lock|unlock|trylock] block forever. Why? > I also tried to unlock the mutex after it was created, > surmising the mutex could be created by _mutex_create > as locked, but also in this case > apr_global_mutex_unlock blocks and never returns. Your code snippet looks sound, I can't find fault with it. You should post it to apr-dev (preferably as a complete, compilable test case), you'll get more and better feedback there. Mention on what platform and with what flags you compiled APR.
