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[ILUG] Signal handling

[ILUG] Signal handling

Aidan Delaney adelaney at cs.may.ie
Fri Feb 4 12:23:50 GMT 2005


On Fri, 2005-02-04 at 10:13 +0000, Dale Dunlea wrote:
> Hi All,
> 
> I have a program that calls fork() followed by execl(). When the child 
> process terminates, the signal handler gets called in the parent, which 
> starts a new child process in the same manner.
Can you not just use waitpid()?
>  Occasionally, the parent 
> process will have need to call system() whilst there is already a child 
> process running somewhere. When system() returns, it fires the signal 
> handler too, which is undesired.
And just wait for system() to return?

-- 
Aidan Delaney   email: adelaney at cs.may.ie
                web:   http://www.cs.may.ie/~adelaney
                gpg:   http://www.cs.may.ie/~adelaney/public_key.asc
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