Creating and joining pthreads

[vr84]

If a thread is created with the PTHREAD_CREATE_JOINABLE attribute it does not execute until you call pthread_join. Is this correct?

[NoHero]

No. You call pthread_join to wait for a thread to terminate. If the thread is not created with PTHREAD_CREATE_JOINABLE neither the thread status nor its exit status are preserved after thread termination for a pthread_join call on the thread. Normally pthread_join will return EINVAL for a thread that has terminated and does not have the PTHREAD_CREATE_JOINABLE flag.

Further reading: http://www.cs.cf.ac.uk/Dave/C/node30.html

[vr84]

Thanks for clearing that up and posting that link, I understand it now.

[exterminator]

The default for a pthread is joinable state. pthread_join call on detached thread is an error as mentioned by NoHero.