forked from OSchip/llvm-project
87 lines
3.2 KiB
Python
87 lines
3.2 KiB
Python
"""Test that lldb command 'process signal SIGUSR1' to send a signal to the inferior works."""
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import os, time, signal
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import unittest2
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import lldb
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from lldbtest import *
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class SendSignalTestCase(TestBase):
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mydir = "signal"
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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def test_with_dsym_and_run_command(self):
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"""Test that lldb command 'process signal SIGUSR1' sends a signal to the inferior process."""
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self.buildDsym()
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self.send_signal()
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def test_with_dwarf_and_run_command(self):
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"""Test that lldb command 'process signal SIGUSR1' sends a signal to the inferior process."""
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self.buildDwarf()
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self.send_signal()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to break inside main().
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self.line = line_number('main.c', 'Put breakpoint here')
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def send_signal(self):
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"""Test that lldb command 'process signal SIGUSR1' sends a signal to the inferior process."""
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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Break inside the main() function and immediately send a signal to the inferior after resuming.
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self.expect("breakpoint set -f main.c -l %d" % self.line,
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BREAKPOINT_CREATED,
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startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" %
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self.line)
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self.runCmd("run", RUN_SUCCEEDED)
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self.runCmd("thread backtrace")
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['state is stopped',
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'stop reason = breakpoint'])
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# The breakpoint should have a hit count of 1.
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self.expect("breakpoint list", BREAKPOINT_HIT_ONCE,
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substrs = [' resolved, hit count = 1'])
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self.runCmd("process status")
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output = self.res.GetOutput()
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pid = re.match("Process (.*) stopped", output).group(1)
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# After resuming the process, send it a SIGUSR1 signal.
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# It is necessary at this point to make command interpreter interaction
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# be asynchronous, because we want to resume the process and to send it
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# a signal.
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self.dbg.SetAsync(True)
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self.runCmd("process continue")
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# Insert a delay of 1 second before doing the signaling stuffs.
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time.sleep(1)
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self.runCmd("process handle -n False -p True -s True SIGUSR1")
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#os.kill(int(pid), signal.SIGUSR1)
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self.runCmd("process signal SIGUSR1")
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# Insert a delay of 1 second before checking the process status.
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time.sleep(1)
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# Make the interaction mode be synchronous again.
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self.dbg.SetAsync(False)
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self.expect("process status", STOPPED_DUE_TO_SIGNAL,
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startstr = "Process %s stopped" % pid,
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substrs = ['stop reason = signal SIGUSR1'])
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self.expect("thread backtrace", STOPPED_DUE_TO_SIGNAL,
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substrs = ['stop reason = signal SIGUSR1'])
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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