The most frequent request is to move the [TclX] signal handling commands into Tcl.  This page is to formalise that desire, leading to a [TIP].  There is some discussion/question as to the wisdom of doing this in [TclX Future].

The [TclX] commands falling into this category are:

[alarm]

[signal]

[kill]

[wait]

[sleep]

[execl]

[fork]
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[LV] Why is execl and fork in this list?  They really are not related
to signaling - more to posix.

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It should also be pointed out that signals are actually talked about in the C standard, so really they are not strictly bound to POSIX. --[Setok]

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