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import sys
import pytest
from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
only_pypy ="config.option.runappdirect and '__pypy__' not in sys.builtin_module_names"
class AppTestThread(AppTestCpythonExtensionBase):
@pytest.mark.skipif(only_pypy, reason='pypy only test')
@pytest.mark.xfail(reason='segfaults', run=False)
def test_get_thread_ident(self):
module = self.import_extension('foo', [
("get_thread_ident", "METH_NOARGS",
"""
#ifndef PyThread_get_thread_ident
#error "seems we are not accessing PyPy's functions"
#endif
return PyLong_FromLong(PyThread_get_thread_ident());
"""),
])
import threading
results = []
def some_thread():
res = module.get_thread_ident()
results.append((res, threading.get_ident()))
some_thread()
assert results[0][0] == results[0][1]
th = threading.Thread(target=some_thread, args=())
th.start()
th.join()
assert results[1][0] == results[1][1]
assert results[0][0] != results[1][0]
@pytest.mark.skipif(only_pypy, reason='pypy only test')
def test_acquire_lock(self):
module = self.import_extension('foo', [
("test_acquire_lock", "METH_NOARGS",
"""
#ifndef PyThread_allocate_lock
#error "seems we are not accessing PyPy's functions"
#endif
PyThread_type_lock lock = PyThread_allocate_lock();
if (PyThread_acquire_lock(lock, 1) != 1) {
PyErr_SetString(PyExc_AssertionError, "first acquire");
return NULL;
}
if (PyThread_acquire_lock(lock, 0) != 0) {
PyErr_SetString(PyExc_AssertionError, "second acquire");
return NULL;
}
PyThread_free_lock(lock);
Py_RETURN_NONE;
"""),
])
module.test_acquire_lock()
@pytest.mark.skipif(only_pypy, reason='pypy only test')
def test_release_lock(self):
module = self.import_extension('foo', [
("test_release_lock", "METH_NOARGS",
"""
#ifndef PyThread_release_lock
#error "seems we are not accessing PyPy's functions"
#endif
PyThread_type_lock lock = PyThread_allocate_lock();
PyThread_acquire_lock(lock, 1);
PyThread_release_lock(lock);
if (PyThread_acquire_lock(lock, 0) != 1) {
PyErr_SetString(PyExc_AssertionError, "first acquire");
return NULL;
}
PyThread_free_lock(lock);
Py_RETURN_NONE;
"""),
])
module.test_release_lock()
@pytest.mark.skipif(only_pypy, reason='pypy only test')
@pytest.mark.xfail(reason='segfaults', run=False)
def test_tls(self):
module = self.import_extension('foo', [
("create_key", "METH_NOARGS",
"""
return PyLong_FromLong(PyThread_create_key());
"""),
("test_key", "METH_O",
"""
int key = PyLong_AsLong(args);
if (PyThread_get_key_value(key) != NULL) {
PyErr_SetNone(PyExc_ValueError);
return NULL;
}
if (PyThread_set_key_value(key, (void*)123) < 0) {
PyErr_SetNone(PyExc_ValueError);
return NULL;
}
if (PyThread_get_key_value(key) != (void*)123) {
PyErr_SetNone(PyExc_ValueError);
return NULL;
}
Py_RETURN_NONE;
"""),
])
key = module.create_key()
assert key > 0
# Test value in main thread.
module.test_key(key)
raises(ValueError, module.test_key, key)
# Same test, in another thread.
result = []
import _thread, time
def in_thread():
try:
module.test_key(key)
raises(ValueError, module.test_key, key)
except Exception as e:
result.append(e)
else:
result.append(True)
_thread.start_new_thread(in_thread, ())
while not result:
print(".")
time.sleep(.5)
assert result == [True]
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