[libre-riscv-dev] [Bug 186] Create decoder for SOC: Power ISA and RISC-V

[bugzilla-daemon@libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=186

--- Comment #115 from Luke Kenneth Casson Leighton <lkcl@lkcl.net> ---
i enabled export PYTHONTRACEMALLOC=25
https://docs.python.org/3/using/cmdline.html#envvar-PYTHONTRACEMALLOC

/usr/lib/python3.7/subprocess.py:858: ResourceWarning: subprocess 1551551 is
still running
  ResourceWarning, source=self)
Object allocated at (most recent call last):
  File "simulator/test_sim.py", lineno 106
    unittest.main()
  File "/usr/lib/python3.7/unittest/main.py", lineno 101
    self.runTests()
  File "/usr/lib/python3.7/unittest/main.py", lineno 271
    self.result = testRunner.run(self.test)
  File "/usr/lib/python3.7/unittest/runner.py", lineno 176
    test(result)
  File "/usr/lib/python3.7/unittest/suite.py", lineno 84
    return self.run(*args, **kwds)
  File "/usr/lib/python3.7/unittest/suite.py", lineno 122
    test(result)
  File "/usr/lib/python3.7/unittest/suite.py", lineno 84
    return self.run(*args, **kwds)
  File "/usr/lib/python3.7/unittest/suite.py", lineno 122
    test(result)
  File "/usr/lib/python3.7/unittest/case.py", lineno 663
    return self.run(*args, **kwds)
  File "/usr/lib/python3.7/unittest/case.py", lineno 615
    testMethod()
  File "simulator/test_sim.py", lineno 58
    self.run_test_program(program, [1, 2, 3, 4])
  File "simulator/test_sim.py", lineno 95
    with run_program(prog) as q:
  File "/home/lkcl/src/libreriscv/soc/src/soc/simulator/qemu.py", lineno 54
    q = QemuController(program.binfile.name)
  File "/home/lkcl/src/libreriscv/soc/src/soc/simulator/qemu.py", lineno 16
    stdin=subprocess.PIPE)
simulator/test_sim.py:58: ResourceWarning: unclosed file <_io.BufferedWriter
name=4>
  self.run_test_program(program, [1, 2, 3, 4])


this gets rid of it:

        self.qemu_popen.stdout.close()
        self.qemu_popen.stdin.close()

except one of the qemus is still running, thissays you have
to call qemu_popen.communicate():
https://docs.python.org/3/library/subprocess.html

fixed with a quick commit.

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