Files
clang-p2996/lldb/test/API/functionalities/avoids-fd-leak/TestFdLeak.py
Michał Górny 2c2eb5e670 [lldb] Enable FreeBSDRemote plugin by default and update test status
The new FreeBSDRemote plugin has reached feature parity on i386
and amd64 targets.  Use it by default on these architectures, while
allowing the use of the legacy plugin via FREEBSD_LEGACY_PLUGIN envvar.

Revisit the method of switching plugins.  Apparently, the return value
of PlatformFreeBSD::CanDebugProcess() is what really decides whether
the legacy or the new plugin is used.

Update the test status.  Reenable the tests that were previously
disabled on FreeBSD and do not cause hangs or are irrelevant to FreeBSD.
Mark all tests that fail reliably as expectedFailure.  For now, tests
that are flaky (i.e. produce unstable results) are left enabled
and cause unpredictable test failures.

Differential Revision: https://reviews.llvm.org/D90757
2020-11-05 17:49:46 +01:00

87 lines
3.1 KiB
Python

"""
Test whether a process started by lldb has no extra file descriptors open.
"""
import lldb
from lldbsuite.test import lldbutil
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
class AvoidsFdLeakTestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
mydir = TestBase.compute_mydir(__file__)
# 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([])
# 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?")
# 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?")