| """ |
| Test whether a process started by lldb has no extra file descriptors open. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import lldb |
| from lldbsuite.test import lldbutil |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test.decorators import * |
| |
| |
| def python_leaky_fd_version(test): |
| import sys |
| # Python random module leaks file descriptors on some versions. |
| if sys.version_info >= (2, 7, 8) and sys.version_info < (2, 7, 10): |
| return "Python random module leaks file descriptors in this python version" |
| return None |
| |
| |
| class AvoidsFdLeakTestCase(TestBase): |
| |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @expectedFailure(python_leaky_fd_version, "bugs.freebsd.org/197376") |
| @expectedFailureAll( |
| oslist=['freebsd'], |
| bugnumber="llvm.org/pr25624 still failing with Python 2.7.10") |
| # The check for descriptor leakage needs to be implemented differently |
| # here. |
| @skipIfWindows |
| @skipIfTargetAndroid() # Android have some other file descriptors open by the shell |
| @skipIfDarwinEmbedded # <rdar://problem/33888742> # debugserver on ios has an extra fd open on launch |
| def test_fd_leak_basic(self): |
| self.do_test([]) |
| |
| @expectedFailure(python_leaky_fd_version, "bugs.freebsd.org/197376") |
| @expectedFailureAll( |
| oslist=['freebsd'], |
| bugnumber="llvm.org/pr25624 still failing with Python 2.7.10") |
| # The check for descriptor leakage needs to be implemented differently |
| # here. |
| @skipIfWindows |
| @skipIfTargetAndroid() # Android have some other file descriptors open by the shell |
| @skipIfDarwinEmbedded # <rdar://problem/33888742> # debugserver on ios has an extra fd open on launch |
| def test_fd_leak_log(self): |
| self.do_test(["log enable -f '/dev/null' lldb commands"]) |
| |
| def do_test(self, commands): |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| |
| for c in commands: |
| self.runCmd(c) |
| |
| target = self.dbg.CreateTarget(exe) |
| |
| process = target.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| self.assertTrue(process, PROCESS_IS_VALID) |
| |
| self.assertTrue( |
| process.GetState() == lldb.eStateExited, |
| "Process should have exited.") |
| self.assertTrue( |
| process.GetExitStatus() == 0, |
| "Process returned non-zero status. Were incorrect file descriptors passed?") |
| |
| @expectedFailure(python_leaky_fd_version, "bugs.freebsd.org/197376") |
| @expectedFailureAll( |
| oslist=['freebsd'], |
| bugnumber="llvm.org/pr25624 still failing with Python 2.7.10") |
| # The check for descriptor leakage needs to be implemented differently |
| # here. |
| @skipIfWindows |
| @skipIfTargetAndroid() # Android have some other file descriptors open by the shell |
| @skipIfDarwinEmbedded # <rdar://problem/33888742> # debugserver on ios has an extra fd open on launch |
| def test_fd_leak_multitarget(self): |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| breakpoint = target.BreakpointCreateBySourceRegex( |
| 'Set breakpoint here', lldb.SBFileSpec("main.c", False)) |
| self.assertTrue(breakpoint, VALID_BREAKPOINT) |
| |
| process1 = target.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| self.assertTrue(process1, PROCESS_IS_VALID) |
| self.assertTrue( |
| process1.GetState() == lldb.eStateStopped, |
| "Process should have been stopped.") |
| |
| target2 = self.dbg.CreateTarget(exe) |
| process2 = target2.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| self.assertTrue(process2, PROCESS_IS_VALID) |
| |
| self.assertTrue( |
| process2.GetState() == lldb.eStateExited, |
| "Process should have exited.") |
| self.assertTrue( |
| process2.GetExitStatus() == 0, |
| "Process returned non-zero status. Were incorrect file descriptors passed?") |
