Fix WasiProcess::terminate() #4397
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Previously there was a redundant nested Arc and some general shennanigans for how the state was shared and accessed. This commit wraps the whole state in an Arc<> and removes the old nested arc or the inner state. It also makes a lot of fields private and exposes them through getters. NOTE: the WasiProcessInner should also be made private
The Wasi prefix is redundant.
Previously the code would mix up the output status of a thread/process with an instruction to exit with a specific code. The Process::terminate() method would just set the output status, leaving no way to check if a thread had actually terminated. This commit adds an additonal atomic flag that records if the process should exit, and changes the relevant code (signal processing etc) to check that flag. The terminate method now just sets this code and then sends a kill signal.
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Got some changes in the integration tests. Need to investigate. |
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fix(wasix): Fix WasiProcess::terminate()
Previously the code would mix up the output status of a thread/process with
an instruction to exit with a specific code.
The Process::terminate() method would just set the output status,
leaving no way to check if a thread had actually terminated.
This commit adds an additonal atomic flag that records if the process
should exit, and changes the relevant code (signal processing etc) to
check that flag.
The terminate method now just sets this code and then sends a kill
signal.
NOTE: The PR also contains some cleanup of the WasiProcess internal state.
Best to review commit by commit.
Closes #4396