--- /dev/null
+"""
+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?")