On Wed, Jan 09, 2008 at 02:35:32AM -0800, [EMAIL PROTECTED] wrote:
> After I patched my 2.6.23 kernel to 2.6.24-rc7 this morning, I noticed
> some odd behavior with respect to POSIX threads in a test program I had
> written (originally to test epoll.)
>
> The behavior is as follows:
>
> 1. main() creates a new thread of execution with pthread_create
> 2. thread_func() immediately calls pthread_detach(), which is supposed to
> ensure that thread resources are cleaned up when the thread terminates.
> 3. The spawned thread sleeps and then prints a message "got here"
> 4. The main thread calls pthread_join(). According to the POSIX
> documentation, this should suspend execution until the spawned thread has
> terminated.
Your testcase is buggy. Detached threads aren't joinable, you can't call
pthread_join on them.
Jakub
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