Yasuhiro Matsumoto wrote:
> When start process and wait it using if_perl/if_python/if_ruby or etc,
> calling system() occur error.
>
> For example: https://gist.github.com/2290573
>
> See wait4pid() in os_unix.c:3729
>
> wait4pid() is waiting child process with using 'wait(2)'. The 'wait(2)' don't
> be specified child process ID. So if another child process exit, SIGCHLD is
> occured. To avoid this error, it should used 'waitpid(2)'. Below is a patch.
>
> https://gist.github.com/2412399
>
> Please check and include.
Thanks, I'll check it out later.
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