09531ede6d
Enable stdio forwarding when nonstop mode is enabled, and disable it once it is disabled. This makes it possible to cleanly handle stdio forwarding while running multiple processes in non-stop mode. Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.llvm.org/D128932
145 lines
5.7 KiB
Python
145 lines
5.7 KiB
Python
from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from fork_testbase import GdbRemoteForkTestBase
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class TestGdbRemoteForkNonStop(GdbRemoteForkTestBase):
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def setUp(self):
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GdbRemoteForkTestBase.setUp(self)
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if self.getPlatform() == "linux" and self.getArchitecture() in ['arm', 'aarch64']:
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self.skipTest("Unsupported for Arm/AArch64 Linux")
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@add_test_categories(["fork"])
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def test_vfork_nonstop(self):
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parent_pid, parent_tid = self.fork_and_detach_test("vfork",
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nonstop=True)
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# resume the parent
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self.test_sequence.add_log_lines([
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"read packet: $c#00",
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"send packet: $OK#00",
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{"direction": "send",
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"regex": r"%Stop:T[0-9a-fA-F]{{2}}thread:p{}[.]{}.*vforkdone.*"
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.format(parent_pid, parent_tid),
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},
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"read packet: $vStopped#00",
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"send packet: $OK#00",
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"read packet: $c#00",
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"send packet: $OK#00",
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"send packet: %Stop:W00;process:{}#00".format(parent_pid),
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"read packet: $vStopped#00",
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"send packet: $OK#00",
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], True)
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self.expect_gdbremote_sequence()
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@add_test_categories(["fork"])
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def test_fork_nonstop(self):
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parent_pid, _ = self.fork_and_detach_test("fork", nonstop=True)
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# resume the parent
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self.test_sequence.add_log_lines([
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"read packet: $c#00",
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"send packet: $OK#00",
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"send packet: %Stop:W00;process:{}#00".format(parent_pid),
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"read packet: $vStopped#00",
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"send packet: $OK#00",
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], True)
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self.expect_gdbremote_sequence()
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@add_test_categories(["fork"])
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def test_fork_follow_nonstop(self):
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self.fork_and_follow_test("fork", nonstop=True)
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@add_test_categories(["fork"])
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def test_vfork_follow_nonstop(self):
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self.fork_and_follow_test("vfork", nonstop=True)
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@add_test_categories(["fork"])
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def test_detach_all_nonstop(self):
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self.detach_all_test(nonstop=True)
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@add_test_categories(["fork"])
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def test_kill_all_nonstop(self):
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parent_pid, _, child_pid, _ = self.start_fork_test(["fork"],
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nonstop=True)
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exit_regex = "X09;process:([0-9a-f]+)"
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# Depending on a potential race, the second kill may make it into
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# the async queue before we issue vStopped or after. In the former
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# case, we should expect the exit status in reply to vStopped.
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# In the latter, we should expect an OK response (queue empty),
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# followed by another async notification.
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vstop_regex = "[$](OK|{})#.*".format(exit_regex)
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self.test_sequence.add_log_lines([
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# kill all processes
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"read packet: $k#00",
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"send packet: $OK#00",
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{"direction": "send", "regex": "%Stop:{}#.*".format(exit_regex),
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"capture": {1: "pid1"}},
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"read packet: $vStopped#00",
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{"direction": "send", "regex": vstop_regex,
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"capture": {1: "vstop_reply", 2: "pid2"}},
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], True)
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ret = self.expect_gdbremote_sequence()
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pid1 = ret["pid1"]
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if ret["vstop_reply"] == "OK":
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self.reset_test_sequence()
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self.test_sequence.add_log_lines([
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{"direction": "send", "regex": "%Stop:{}#.*".format(exit_regex),
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"capture": {1: "pid2"}},
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], True)
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ret = self.expect_gdbremote_sequence()
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pid2 = ret["pid2"]
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self.reset_test_sequence()
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self.test_sequence.add_log_lines([
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"read packet: $vStopped#00",
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"send packet: $OK#00",
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], True)
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self.expect_gdbremote_sequence()
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self.assertEqual(set([pid1, pid2]), set([parent_pid, child_pid]))
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@add_test_categories(["fork"])
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def test_vkill_both_nonstop(self):
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self.vkill_test(kill_parent=True, kill_child=True, nonstop=True)
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@add_test_categories(["fork"])
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def test_c_interspersed_nonstop(self):
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self.resume_one_test(run_order=["parent", "child", "parent", "child"],
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nonstop=True)
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@add_test_categories(["fork"])
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def test_vCont_interspersed_nonstop(self):
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self.resume_one_test(run_order=["parent", "child", "parent", "child"],
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use_vCont=True, nonstop=True)
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@add_test_categories(["fork"])
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def test_c_both_nonstop(self):
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lock1 = self.getBuildArtifact("lock1")
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lock2 = self.getBuildArtifact("lock2")
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parent_pid, parent_tid, child_pid, child_tid = (
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self.start_fork_test(["fork", "process:sync:" + lock1, "print-pid",
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"process:sync:" + lock2, "stop"],
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nonstop=True))
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self.test_sequence.add_log_lines([
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"read packet: $Hcp{}.{}#00".format(parent_pid, parent_tid),
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"send packet: $OK#00",
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"read packet: $c#00",
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"send packet: $OK#00",
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"read packet: $Hcp{}.{}#00".format(child_pid, child_tid),
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"send packet: $OK#00",
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"read packet: $c#00",
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"send packet: $OK#00",
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{"direction": "send", "regex": "%Stop:T.*"},
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# see the comment in TestNonStop.py, test_stdio
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"read packet: $vStdio#00",
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"read packet: $vStdio#00",
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"send packet: $OK#00",
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], True)
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ret = self.expect_gdbremote_sequence()
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self.assertIn("PID: {}".format(int(parent_pid, 16)).encode(),
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ret["O_content"])
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self.assertIn("PID: {}".format(int(child_pid, 16)).encode(),
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ret["O_content"])
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