Experimental Physics and
Industrial Control System

john sinclair <[email protected]> · Fri, 10 Dec 1999 11:39:58 -0500 (EST)

On Wed, 8 Dec 1999, Tatiana V. Salikova wrote:

> 
> Dear Sir/Madam,
> 
> I have zombie problem at UNIX IOC. 
> Pthread is analog of VxWorks task. When IOC receives the request for
> operating with PV,  iocCore spawns the pthreads: "CA event", "CA client".
> Which is completed by "exit()" call or "return ()", this operation
> switches pthread in  zombie state. iocCore contains following list of
> pthreads:
> 

As mentioned by Jeff, zombie threads are threads that have exited
for which the parent has not called pthread_join. One way to prevent
this is for the parent to call pthread_detach for each child thread.
Does this work for all pthread implementations? I don't know.

John Sinclair
[email protected]
Oak Ridge National Lab
865-576-6362   865-574-1268 (fax)

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System