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Subj : Re: problem with pthread_kill
To   : comp.programming.threads
From : David Schwartz
Date : Fri Jul 15 2005 07:21 pm


<martinacevedo@gmail.com> wrote in message 
news:1121470547.536779.318310@g14g2000cwa.googlegroups.com...

>Hello, I´m implementing an multithread application under linux with
>gcc and kdevelop. I use  pthread library from linux to handle threads
>and mutex. My question is how can my program detect if a thread struct
>is still valid or active.... I use a library  that call a function
>pthread_kill (threadID,0) in order to detect if a thread is alive but
>when the thread is invalid(I thinks is invalid), it causes a
>segmentation fault, the program runs on mandriva linux xeon p4 dual
>processor. there is another function that can detect the validity of
>the struct

    You need to keep track of it yourself. What's your real problem? There 
is no reason you should care whether a thread is alive or not unless you are 
managing the lifetime of that thread, in which case you would already know.

    DS

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