[Lldb-commits] [lldb] Fix lldb crash while handling concurrent vfork() (PR #81564)

[Greg Clayton via lldb-commits]

================
@@ -0,0 +1,31 @@
+"""
+Make sure that the concurrent vfork() from multiple threads works correctly.
+"""
+
+
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test.decorators import *
+
+
+class TestConcurrentVFork(TestBase):
+    NO_DEBUG_INFO_TESTCASE = True
+
+    @skipIfWindows
+    def test_vfork_follow_parent(self):
+        self.build()
+        lldbutil.run_to_source_breakpoint(
+            self, "// break here", lldb.SBFileSpec("main.cpp")
+        )
+        self.runCmd("settings set target.process.follow-fork-mode parent")
+        self.expect("continue", substrs=["exited with status = 0"])
+
+    @skipIfWindows
+    def test_vfork_follow_child(self):
+        self.build()
+        lldbutil.run_to_source_breakpoint(
+            self, "// break here", lldb.SBFileSpec("main.cpp")
+        )
+        self.runCmd("settings set target.process.follow-fork-mode child")
+        self.expect("continue", substrs=["exited with status = 0"])
----------------
clayborg wrote:

Can we check for a output from our process that matches "Child process" to verify it worked as expected?

https://github.com/llvm/llvm-project/pull/81564