Hi,
I am new to multi threaded programming using mutexes.
I am getting an error using mutexes wherein a thread seems to be locking a mutex and another thread too is trying to lock the same one.

Now my question is regarding debugging mutexes. Is there any system command for mutexes, the way we have ipcrm, ipcs for semaphores?

Please help.

Regards,
Subu

I don't know of any off hand, course maybe another user does. There's no problem with two threads trying to lock the same mutex as long as

1. Someone finally releases
2. Its not being reaquired by the same calling thread

Under pthreads you can define different types of mutexes, one being an error check mutex. I've used it before. If a thread tries to lock a mutex already locked by him it will fail, well see man pthread_mutex_lock. Another is to build a logger for each thread before and after every lock and unlock. Posting the code might help out a little..