[PATCH] D71449: [iOS sim] Ensure simulator device is booted in iossim_prepare.py

[Julian Lettner via Phabricator via llvm-commits]

yln updated this revision to Diff 234108.
yln marked an inline comment as done.
yln added a comment.

Add comment about teardown.  Remove unused/organize imports.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71449/new/

https://reviews.llvm.org/D71449

Files:
  compiler-rt/test/sanitizer_common/ios_commands/iossim_prepare.py


Index: compiler-rt/test/sanitizer_common/ios_commands/iossim_prepare.py
===================================================================
--- compiler-rt/test/sanitizer_common/ios_commands/iossim_prepare.py
+++ compiler-rt/test/sanitizer_common/ios_commands/iossim_prepare.py
@@ -1,5 +1,17 @@
 #!/usr/bin/python
 
-import os, sys, subprocess, json
+import json
+import os
+import subprocess
+
+
+device_id = os.environ.get('SANITIZER_IOSSIM_TEST_DEVICE_IDENTIFIER')
+if not device_id:
+    raise EnvironmentError('Specify SANITIZER_IOSSIM_TEST_DEVICE_IDENTIFIER to select which simulator to use.')
+
+boot_cmd = ['xcrun', 'simctl', 'bootstatus', device_id, '-b']
+subprocess.check_call(boot_cmd)
+# TODO(yln): we start the simulator here, but we never tear it down
+
 
 print(json.dumps({"env": {}}))


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