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Expose process instance info via SB API

Authored by enlight on Jul 26 2017, 2:09 AM.



Implement SBProcessInfo to wrap lldb_private::ProcessInstanceInfo, and add SBProcess::GetProcessInfo() to retrieve info like parent ID, group ID, user ID etc. from a live process.

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enlight created this revision.Jul 26 2017, 2:09 AM
jingham accepted this revision.Jul 26 2017, 5:27 PM
jingham added a subscriber: jingham.

This is a useful addition. I don't have a problem with it going in as is.

It is unfortunate that we don't have an LLDB_INVALID_{USER,GROUP}_ID we could use to tell us whether the ID was invalid. We're doing that internally anyway - where UINT32_MAX stands in for the definition. I guess you could argue that it allows us the flexibility to make what the invalid process ID is vary with platform, but we use a define and not an IsValid for ProcessID/LLDB_INVALID_PROCESS_ID so we aren't consistently asserting a general principle that we can divorce the validity of this sort of option from its value.

Presumably you were just following the precedent set by the SBAttachInfo class, so I don't think it's worth holding up this good change to fix that issue, however.

This revision is now accepted and ready to land.Jul 26 2017, 5:27 PM
This revision was automatically updated to reflect the committed changes.