domain.enter()
The enter
method is plumbing used by the run
, bind
, and intercept
methods to set the active domain. It sets domain.active
and process.domain
to the domain, and implicitly pushes the domain onto the domain stack managed by the domain module (see domain.exit()
for details on the domain stack). The call to enter
delimits the beginning of a chain of asynchronous calls and I/O operations bound to a domain.
Calling enter
changes only the active domain, and does not alter the domain itself. enter
and exit
can be called an arbitrary number of times on a single domain.
If the domain on which enter
is called has been disposed, enter
will return without setting the domain.
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