process
| fieldname | type | comment |
|---|---|---|
| arch | string | arch of host |
| platform | string | platform |
| wow64 | boolean | arch of host |
| pid | number | process id |
| tid | number | thread id |
| enginePath | string | path of chakra |
| env | string array | process env |
| hostType | string | type of host |
| argv | string | argv of script |
| execArgv | string | argv of jsrt |