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-rw-r--r--Lib/test/libregrtest/utils.py7
-rw-r--r--Lib/test/support/__init__.py19
-rw-r--r--Lib/test/test_io.py9
3 files changed, 25 insertions, 10 deletions
diff --git a/Lib/test/libregrtest/utils.py b/Lib/test/libregrtest/utils.py
index 1be5abd..25017e8 100644
--- a/Lib/test/libregrtest/utils.py
+++ b/Lib/test/libregrtest/utils.py
@@ -349,6 +349,9 @@ def get_build_info():
# --with-undefined-behavior-sanitizer
if support.check_sanitizer(ub=True):
sanitizers.append("UBSAN")
+ # --with-thread-sanitizer
+ if support.check_sanitizer(thread=True):
+ sanitizers.append("TSAN")
if sanitizers:
build.append('+'.join(sanitizers))
@@ -649,6 +652,7 @@ def display_header(use_resources: tuple[str, ...],
asan = support.check_sanitizer(address=True)
msan = support.check_sanitizer(memory=True)
ubsan = support.check_sanitizer(ub=True)
+ tsan = support.check_sanitizer(thread=True)
sanitizers = []
if asan:
sanitizers.append("address")
@@ -656,12 +660,15 @@ def display_header(use_resources: tuple[str, ...],
sanitizers.append("memory")
if ubsan:
sanitizers.append("undefined behavior")
+ if tsan:
+ sanitizers.append("thread")
if sanitizers:
print(f"== sanitizers: {', '.join(sanitizers)}")
for sanitizer, env_var in (
(asan, "ASAN_OPTIONS"),
(msan, "MSAN_OPTIONS"),
(ubsan, "UBSAN_OPTIONS"),
+ (tsan, "TSAN_OPTIONS"),
):
options= os.environ.get(env_var)
if sanitizer and options is not None:
diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index cb5a84a..4e793f1 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -391,10 +391,10 @@ def skip_if_buildbot(reason=None):
isbuildbot = False
return unittest.skipIf(isbuildbot, reason)
-def check_sanitizer(*, address=False, memory=False, ub=False):
+def check_sanitizer(*, address=False, memory=False, ub=False, thread=False):
"""Returns True if Python is compiled with sanitizer support"""
- if not (address or memory or ub):
- raise ValueError('At least one of address, memory, or ub must be True')
+ if not (address or memory or ub or thread):
+ raise ValueError('At least one of address, memory, ub or thread must be True')
cflags = sysconfig.get_config_var('CFLAGS') or ''
@@ -411,18 +411,23 @@ def check_sanitizer(*, address=False, memory=False, ub=False):
'-fsanitize=undefined' in cflags or
'--with-undefined-behavior-sanitizer' in config_args
)
+ thread_sanitizer = (
+ '-fsanitize=thread' in cflags or
+ '--with-thread-sanitizer' in config_args
+ )
return (
(memory and memory_sanitizer) or
(address and address_sanitizer) or
- (ub and ub_sanitizer)
+ (ub and ub_sanitizer) or
+ (thread and thread_sanitizer)
)
-def skip_if_sanitizer(reason=None, *, address=False, memory=False, ub=False):
+def skip_if_sanitizer(reason=None, *, address=False, memory=False, ub=False, thread=False):
"""Decorator raising SkipTest if running with a sanitizer active."""
if not reason:
reason = 'not working with sanitizers active'
- skip = check_sanitizer(address=address, memory=memory, ub=ub)
+ skip = check_sanitizer(address=address, memory=memory, ub=ub, thread=thread)
return unittest.skipIf(skip, reason)
# gh-89363: True if fork() can hang if Python is built with Address Sanitizer
@@ -431,7 +436,7 @@ HAVE_ASAN_FORK_BUG = check_sanitizer(address=True)
def set_sanitizer_env_var(env, option):
- for name in ('ASAN_OPTIONS', 'MSAN_OPTIONS', 'UBSAN_OPTIONS'):
+ for name in ('ASAN_OPTIONS', 'MSAN_OPTIONS', 'UBSAN_OPTIONS', 'TSAN_OPTIONS'):
if name in env:
env[name] += f':{option}'
else:
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 5e55624..daa40a6 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -1708,7 +1708,8 @@ class BufferedReaderTest(unittest.TestCase, CommonBufferedTests):
class CBufferedReaderTest(BufferedReaderTest, SizeofTest):
tp = io.BufferedReader
- @skip_if_sanitizer(memory=True, address=True, reason= "sanitizer defaults to crashing "
+ @skip_if_sanitizer(memory=True, address=True, thread=True,
+ reason="sanitizer defaults to crashing "
"instead of returning NULL for malloc failure.")
def test_constructor(self):
BufferedReaderTest.test_constructor(self)
@@ -2075,7 +2076,8 @@ class BufferedWriterTest(unittest.TestCase, CommonBufferedTests):
class CBufferedWriterTest(BufferedWriterTest, SizeofTest):
tp = io.BufferedWriter
- @skip_if_sanitizer(memory=True, address=True, reason= "sanitizer defaults to crashing "
+ @skip_if_sanitizer(memory=True, address=True, thread=True,
+ reason="sanitizer defaults to crashing "
"instead of returning NULL for malloc failure.")
def test_constructor(self):
BufferedWriterTest.test_constructor(self)
@@ -2596,7 +2598,8 @@ class BufferedRandomTest(BufferedReaderTest, BufferedWriterTest):
class CBufferedRandomTest(BufferedRandomTest, SizeofTest):
tp = io.BufferedRandom
- @skip_if_sanitizer(memory=True, address=True, reason= "sanitizer defaults to crashing "
+ @skip_if_sanitizer(memory=True, address=True, thread=True,
+ reason="sanitizer defaults to crashing "
"instead of returning NULL for malloc failure.")
def test_constructor(self):
BufferedRandomTest.test_constructor(self)