1"""
2Test process attach when executable was deleted.
3"""
4
5
6
7import os
8import lldb
9from lldbsuite.test.decorators import *
10from lldbsuite.test.lldbtest import *
11from lldbsuite.test import lldbutil
12
13class TestDeletedExecutable(TestBase):
14
15    mydir = TestBase.compute_mydir(__file__)
16    NO_DEBUG_INFO_TESTCASE = True
17
18    @skipIfWindows # cannot delete a running executable
19    @expectedFailureAll(oslist=["linux"],
20        triple=no_match('aarch64-.*-android'))
21        # determining the architecture of the process fails
22    @skipIfReproducer # File synchronization is not supported during replay.
23    def test(self):
24        self.build()
25        exe = self.getBuildArtifact("a.out")
26
27        # Use a file as a synchronization point between test and inferior.
28        pid_file_path = lldbutil.append_to_process_working_directory(self,
29            "token_pid_%d" % (int(os.getpid())))
30        self.addTearDownHook(
31            lambda: self.run_platform_command(
32                "rm %s" %
33                (pid_file_path)))
34
35        # Spawn a new process
36        popen = self.spawnSubprocess(exe, [pid_file_path])
37
38        # Wait until process has fully started up.
39        pid = lldbutil.wait_for_file_on_target(self, pid_file_path)
40
41        # Now we can safely remove the executable and test if we can attach.
42        os.remove(exe)
43
44        self.runCmd("process attach -p " + str(popen.pid))
45        self.runCmd("kill")
46