September 2013
Intermediate to advanced
548 pages
12h 25m
English
Content preview from Programming Erlang, 2nd Edition
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Creating Links
Imagine we have a set of unrelated processes; this is shown on the left side of the following figure. The links are represented by dashed lines.
To create links, we call the primitive link(Pid), which
creates a link between the calling process and Pid.
So, if P1 calls link(P3), a link is created
between P1 and P3.
After P1 calls link(P3), P3 calls
link(P10), and so on, we arrive at the situation shown
on the right side of the figure. Note that the link set
of P1 has one element (P3), the link set of
P3 has two elements (P1 and P10), and
so on.
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