On 2017-04-25 21:32:56 -0400, Chet Ramey wrote:
> There is no requirement that a trap be executed each time a particular
> signal is generated.  There is no requirement that the system keep a
> count of instances of a particular pending signal; only that the signal
> is pending.  SIGCHLD isn't different from any other signal in this
> regard.

In such a case, how can you know the number of remaining processes?

Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

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