lldb/test/API/functionalities/deleted-executable/TestDeletedExecutable.py

   1 """
   2 Test process attach when executable was deleted.
   3 """
   4
   5
   6 import os
   7 import lldb
   8 from lldbsuite.test.decorators import *
   9 from lldbsuite.test.lldbtest import *
  10 from lldbsuite.test import lldbutil
  11
  12
  13 class TestDeletedExecutable(TestBase):
  14     NO_DEBUG_INFO_TESTCASE = True
  15
  16     @skipIfWindows  # cannot delete a running executable
  17     def test(self):
  18         self.build()
  19         exe = self.getBuildArtifact("a.out")
  20
  21         # Use a file as a synchronization point between test and inferior.
  22         pid_file_path = lldbutil.append_to_process_working_directory(
  23             self, "token_pid_%d" % (int(os.getpid()))
  24         )
  25         self.addTearDownHook(
  26             lambda: self.run_platform_command("rm %s" % (pid_file_path))
  27         )
  28
  29         # Spawn a new process
  30         popen = self.spawnSubprocess(exe, [pid_file_path])
  31
  32         # Wait until process has fully started up.
  33         pid = lldbutil.wait_for_file_on_target(self, pid_file_path)
  34
  35         # Now we can safely remove the executable and test if we can attach.
  36         os.remove(exe)
  37
  38         self.runCmd("process attach -p " + str(popen.pid))
  39         self.runCmd("kill")