teemperor created this revision.
teemperor added a reviewer: davide.
Herald added a project: LLDB.
Herald added a subscriber: lldb-commits.
It seems that calling Popen can return to the caller before the started process
has read all the needed information
from its executable. This means that in case we delete the executable while the
process is still starting up,
this test will create a zombie process which in turn leads to a failing test.
On my macOS system this happens quite frequently.
The startup time for this process is really short, so waiting half a second
before deleting the executable seems to be
long enough to make this test pass consistently.
Repository:
rLLDB LLDB
https://reviews.llvm.org/D64546
Files:
lldb/packages/Python/lldbsuite/test/functionalities/deleted-executable/TestDeletedExecutable.py
Index:
lldb/packages/Python/lldbsuite/test/functionalities/deleted-executable/TestDeletedExecutable.py
===================================================================
---
lldb/packages/Python/lldbsuite/test/functionalities/deleted-executable/TestDeletedExecutable.py
+++
lldb/packages/Python/lldbsuite/test/functionalities/deleted-executable/TestDeletedExecutable.py
@@ -26,6 +26,8 @@
popen = self.spawnSubprocess(exe)
self.addTearDownHook(self.cleanupSubprocesses)
+ # Give the process some time to start.
+ time.sleep(0.5)
os.remove(exe)
self.runCmd("process attach -p " + str(popen.pid))
Index: lldb/packages/Python/lldbsuite/test/functionalities/deleted-executable/TestDeletedExecutable.py
===================================================================
--- lldb/packages/Python/lldbsuite/test/functionalities/deleted-executable/TestDeletedExecutable.py
+++ lldb/packages/Python/lldbsuite/test/functionalities/deleted-executable/TestDeletedExecutable.py
@@ -26,6 +26,8 @@
popen = self.spawnSubprocess(exe)
self.addTearDownHook(self.cleanupSubprocesses)
+ # Give the process some time to start.
+ time.sleep(0.5)
os.remove(exe)
self.runCmd("process attach -p " + str(popen.pid))
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