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"""
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.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
def python_leaky_fd_version(test):
import sys
# Python random module leaks file descriptors on some versions.
return sys.version_info >= (2, 7, 8) and sys.version_info < (2, 7, 10)
class AvoidsFdLeakTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailure(python_leaky_fd_version, "bugs.freebsd.org/197376")
@expectedFailureFreeBSD("llvm.org/pr25624 still failing with Python 2.7.10")
@skipIfWindows # The check for descriptor leakage needs to be implemented differently here.
@skipIfTargetAndroid() # Android have some other file descriptors open by the shell
def test_fd_leak_basic (self):
self.do_test([])
@expectedFailure(python_leaky_fd_version, "bugs.freebsd.org/197376")
@expectedFailureFreeBSD("llvm.org/pr25624 still failing with Python 2.7.10")
@skipIfWindows # The check for descriptor leakage needs to be implemented differently here.
@skipIfTargetAndroid() # Android have some other file descriptors open by the shell
def test_fd_leak_log (self):
self.do_test(["log enable -f '/dev/null' lldb commands"])
def do_test (self, commands):
self.build()
exe = os.path.join (os.getcwd(), "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")
@expectedFailureFreeBSD("llvm.org/pr25624 still failing with Python 2.7.10")
@expectedFlakeyLinux
@skipIfWindows # The check for descriptor leakage needs to be implemented differently here.
@skipIfTargetAndroid() # Android have some other file descriptors open by the shell
def test_fd_leak_multitarget (self):
self.build()
exe = os.path.join (os.getcwd(), "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?")
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