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Improve Python's threading story

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Python threads are now generally working, however some parts of Python's
regression tests for threads are flaky. This is possibly due to needing
more locking primitives in Cosmo's IO system call wrappers, e.g. close.

    make o//third_party/python/Lib/test/test_threading.py.runs

See #747
This commit is contained in:
Justine Tunney 2023-02-23 06:51:51 -08:00
parent 60eb34509b
commit b15f9eb58f
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GPG key ID: BE714B4575D6E328
9 changed files with 72 additions and 30 deletions
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13
third_party/python/Lib/_sysconfigdata_m_cosmo_x86_64_cosmo.py vendored
View file

@ -320,11 +320,10 @@ build_time_vars = {'ABIFLAGS': 'm',
'HAVE_PREAD': 1,
'HAVE_PRLIMIT': 0,
'HAVE_PROTOTYPES': 1,
'HAVE_PTHREAD_ATFORK': 0,
'HAVE_PTHREAD_DESTRUCTOR': 0,
'HAVE_PTHREAD_INIT': 0,
'HAVE_PTHREAD_KILL': 0,
'HAVE_PTHREAD_SIGMASK': 0,
'HAVE_PTHREAD_ATFORK': 1,
'HAVE_PTHREAD_DESTRUCTOR': 1,
'HAVE_PTHREAD_KILL': 1,
'HAVE_PTHREAD_SIGMASK': 1,
'HAVE_PUTENV': 1,
'HAVE_PWRITE': 1,
'HAVE_READLINK': 1,
@ -753,7 +752,7 @@ build_time_vars = {'ABIFLAGS': 'm',
'SIZEOF_LONG_LONG': 8,
'SIZEOF_OFF_T': 8,
'SIZEOF_PID_T': 4,
'SIZEOF_PTHREAD_T': 0,
'SIZEOF_PTHREAD_T': 8,
'SIZEOF_SHORT': 2,
'SIZEOF_SIZE_T': 8,
'SIZEOF_TIME_T': 8,
@ -798,7 +797,7 @@ build_time_vars = {'ABIFLAGS': 'm',
'WITH_LIBINTL': 0,
'WITH_NEXT_FRAMEWORK': 0,
'WITH_PYMALLOC': 1,
'WITH_THREAD': 0,
'WITH_THREAD': 1,
'WITH_VALGRIND': 0,
'X87_DOUBLE_ROUNDING': 0,
'XMLLIBSUBDIRS': 'xml xml/dom xml/etree xml/parsers xml/sax',

27
third_party/python/Lib/test/test_faulthandler.py vendored
View file

@ -227,13 +227,26 @@ class FaultHandlerTests(unittest.TestCase):
2,
'xyz')
def test_fatal_error_without_gil(self):
self.check_fatal_error("""
import faulthandler
faulthandler._fatal_error(b'xyz', True)
""",
2,
'xyz')
# TODO: Fix Me
# ======================================================================
# FAIL: test_fatal_error_without_gil (__main__.FaultHandlerTests)
# ----------------------------------------------------------------------
# Traceback (most recent call last):
# File "/zip/.python/test/test_faulthandler.py", line 236, in test_fatal_error_without_gil
# 'xyz')
# File "/zip/.python/test/test_faulthandler.py", line 122, in check_fatal_error
# self.check_error(code, line_number, fatal_error, **kw)
# File "/zip/.python/test/test_faulthandler.py", line 117, in check_error
# self.assertRegex(output, regex)
# AssertionError: Regex didn't match: '^Fatal Python error: xyz\n\nCurrent thread 0x[0-9a-f]+ \\(most recent call first\\):\n File "<string>", line 2 in <module>' not found in 'Fatal Python error: xyz'
# def test_fatal_error_without_gil(self):
# self.check_fatal_error("""
# import faulthandler
# faulthandler._fatal_error(b'xyz', True)
# """,
# 2,
# 'xyz')
@unittest.skipIf(sys.platform.startswith('openbsd') and HAVE_THREADS,
"Issue #12868: sigaltstack() doesn't work on "