[Lldb-commits] [PATCH] D18886: Reset continue_after_async only if neither SIGINIT nor SIGSTOP received
Oleksiy Vyalov via lldb-commits
lldb-commits at lists.llvm.org
Fri Apr 8 12:15:06 PDT 2016
ovyalov updated this revision to Diff 53054.
ovyalov added a comment.
Added new TestBreakpointSetRestart test to cover the addressed issue.
http://reviews.llvm.org/D18886
Files:
packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/Makefile
packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/TestBreakpointSetRestart.py
packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/main.cpp
source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
Index: source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
===================================================================
--- source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
+++ source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
@@ -1165,12 +1165,13 @@
// binaries that would send two stop replies anytime the process
// was interrupted, so we need to also check for an extra
// stop reply packet if we interrupted the process
- if (m_interrupt_sent || (signo != sigint_signo && signo != sigstop_signo))
+ const bool received_nonstop_signal = signo != sigint_signo && signo != sigstop_signo;
+ if (m_interrupt_sent || received_nonstop_signal)
{
- continue_after_async = false;
+ if (received_nonstop_signal)
+ continue_after_async = false;
- // We didn't get a SIGINT or SIGSTOP, so try for a
- // very brief time (0.1s) to get another stop reply
+ // Try for a very brief time (0.1s) to get another stop reply
// packet to make sure it doesn't get in the way
StringExtractorGDBRemote extra_stop_reply_packet;
uint32_t timeout_usec = 100000;
Index: packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/main.cpp
===================================================================
--- packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/main.cpp
+++ packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/main.cpp
@@ -0,0 +1,19 @@
+//===-- main.cpp ------------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <iostream>
+#include <stdio.h>
+
+int main(int argc, char const *argv[])
+{
+ getchar();
+ printf("Set a breakpoint here.\n");
+ return 0;
+}
+
Index: packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/TestBreakpointSetRestart.py
===================================================================
--- packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/TestBreakpointSetRestart.py
+++ packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/TestBreakpointSetRestart.py
@@ -0,0 +1,37 @@
+"""
+Test inferior restart when breakpoint is set on running target.
+"""
+
+import os
+import lldb
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+class BreakpointSetRestart(TestBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+ BREAKPOINT_TEXT = 'Set a breakpoint here'
+
+ def test_breakpoint_set_restart(self):
+ self.build()
+
+ cwd = self.get_process_working_directory()
+ exe = os.path.join(cwd, "a.out")
+ target = self.dbg.CreateTarget(exe)
+
+ self.dbg.SetAsync(True)
+ process = target.LaunchSimple(None, None, cwd)
+
+ lldbutil.expect_state_changes(self, self.dbg.GetListener(), [lldb.eStateRunning])
+ bp = target.BreakpointCreateBySourceRegex(self.BREAKPOINT_TEXT,
+ lldb.SBFileSpec(os.path.join(cwd, 'main.cpp')))
+ self.assertTrue(bp.IsValid() and bp.GetNumLocations() == 1, VALID_BREAKPOINT)
+
+ event = lldb.SBEvent()
+ while self.dbg.GetListener().WaitForEvent(2, event):
+ if lldb.SBProcess.GetStateFromEvent(event) == lldb.eStateStopped and lldb.SBProcess.GetRestartedFromEvent(event):
+ continue
+ if lldb.SBProcess.GetStateFromEvent(event) == lldb.eStateRunning:
+ continue
+ self.fail("Setting a breakpoint generated an unexpected event: %s" % lldb.SBDebugger.StateAsCString(lldb.SBProcess.GetStateFromEvent(event)))
+
Index: packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/Makefile
===================================================================
--- packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/Makefile
+++ packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_set_restart/Makefile
@@ -0,0 +1,5 @@
+LEVEL = ../../../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules
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