diff options
| -rw-r--r-- | Doc/library/os.rst | 4 | ||||
| -rwxr-xr-x | Lib/test/test_array.py | 9 | ||||
| -rw-r--r-- | Lib/test/test_threading.py | 6 |
3 files changed, 15 insertions, 4 deletions
diff --git a/Doc/library/os.rst b/Doc/library/os.rst index 82a5b98..81a3f35 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -1389,6 +1389,10 @@ written in Python, such as a mail server's external command delivery program. Fork a child process. Return ``0`` in the child and the child's process id in the parent. If an error occurs :exc:`OSError` is raised. + + Note that some platforms including FreeBSD <= 6.3, Cygwin and OS/2 EMX have + known issues when using fork() from a thread. + Availability: Unix. diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py index 5b6b9f2..ff9026a 100755 --- a/Lib/test/test_array.py +++ b/Lib/test/test_array.py @@ -964,20 +964,21 @@ class DoubleTest(FPTest): minitemsize = 8 def test_alloc_overflow(self): + from sys import maxsize a = array.array('d', [-1]*65536) try: - a *= 65536 + a *= maxsize//65536 + 1 except MemoryError: pass else: - self.fail("a *= 2**16 didn't raise MemoryError") + self.fail("Array of size > maxsize created - MemoryError expected") b = array.array('d', [ 2.71828183, 3.14159265, -1]) try: - b * 1431655766 + b * (maxsize//3 + 1) except MemoryError: pass else: - self.fail("a * 1431655766 didn't raise MemoryError") + self.fail("Array of size > maxsize created - MemoryError expected") tests.append(DoubleTest) diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py index a7f2322..f26e7bb 100644 --- a/Lib/test/test_threading.py +++ b/Lib/test/test_threading.py @@ -397,6 +397,12 @@ class ThreadJoinOnShutdown(unittest.TestCase): import os if not hasattr(os, 'fork'): return + # Skip platforms with known problems forking from a worker thread. + # See http://bugs.python.org/issue3863. + if sys.platform in ('freebsd4', 'freebsd5', 'freebsd6', 'os2emx'): + print >>sys.stderr, ('Skipping test_3_join_in_forked_from_thread' + ' due to known OS bugs on'), sys.platform + return script = """if 1: main_thread = threading.current_thread() def worker(): |