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# mode: run
# tag: c-api
from cpython cimport mem
from cpython.pystate cimport PyGILState_Ensure, PyGILState_Release, PyGILState_STATE
def test_pymalloc():
"""
>>> test_pymalloc()
3
"""
cdef char* m2
cdef char* m = <char*> mem.PyMem_Malloc(20)
assert m
try:
m[0] = 1
m[1] = 2
m[2] = 3
m2 = <char*> mem.PyMem_Realloc(m, 10)
assert m2
m = m2
return m[2]
finally:
mem.PyMem_Free(m)
def test_pymalloc_raw():
"""
>>> test_pymalloc_raw()
3
"""
cdef char* m
cdef char* m2 = NULL
with nogil:
m = <char*> mem.PyMem_RawMalloc(20)
if not m:
raise MemoryError()
try:
m[0] = 1
m[1] = 2
m[2] = 3
m2 = <char*> mem.PyMem_RawRealloc(m, 10)
if m2:
m = m2
retval = m[2]
finally:
mem.PyMem_RawFree(m)
assert m2
return retval
def test_gilstate():
"""
>>> test_gilstate()
'ok'
"""
# cython used to have invalid definition for PyGILState_STATE, which was
# making the following code fail to compile
cdef PyGILState_STATE gstate = PyGILState_Ensure()
# TODO assert that GIL is taken
PyGILState_Release(gstate)
return 'ok'
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