[Webkit-unassigned] [Bug 185164] New: webkitpy: SIGKILL right after SIGTERM causes orphaned processes with 'xcrun simctl spawn'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185164

            Bug ID: 185164
           Summary: webkitpy: SIGKILL right after SIGTERM causes orphaned
                    processes with 'xcrun simctl spawn'
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jbedard at apple.com
                CC: lforschler at apple.com

Previously, we asserted that SIGKILLing a process right after SIGTERMing it would have not effect because the process should have already processed the SIGTERM and closed if it were going to terminate graciously. Working with 'xcrun simctl spawn' and API tests which timeout, however, this observation is not correct. When 'xcrun simctl spawn' receives a SIGKILL right after a SIGTERM, it will not propagate the SIGTERM to it's child process, leaving an orphaned process.

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