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|
# mode: run
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
def test(int x):
"""
>>> test(5)
47
>>> test(11)
53
"""
with nogil:
f(x)
x = g(x)
return x
cdef void f(int x) nogil:
cdef int y
y = x + 42
g(y)
cdef int g(int x) nogil:
cdef int y
y = x + 42
return y
cdef void release_gil_in_nogil() nogil:
# This should generate valid code with/without the GIL
with nogil:
pass
cpdef void release_gil_in_nogil2() nogil:
# This should generate valid code with/without the GIL
with nogil:
pass
def test_release_gil_in_nogil():
"""
>>> test_release_gil_in_nogil()
"""
with nogil:
release_gil_in_nogil()
with nogil:
release_gil_in_nogil2()
release_gil_in_nogil()
release_gil_in_nogil2()
cdef void get_gil_in_nogil() nogil:
with gil:
pass
cpdef void get_gil_in_nogil2() nogil:
with gil:
pass
def test_get_gil_in_nogil():
"""
>>> test_get_gil_in_nogil()
"""
with nogil:
get_gil_in_nogil()
with nogil:
get_gil_in_nogil2()
get_gil_in_nogil()
get_gil_in_nogil2()
cdef int with_gil_func() except -1 with gil:
raise Exception("error!")
cdef int nogil_func() except -1 nogil:
with_gil_func()
def test_nogil_exception_propagation():
"""
>>> test_nogil_exception_propagation()
Traceback (most recent call last):
...
Exception: error!
"""
with nogil:
nogil_func()
cdef int write_unraisable() noexcept nogil:
with gil:
raise ValueError()
def test_unraisable():
"""
>>> print(test_unraisable()) # doctest: +ELLIPSIS
ValueError
Exception...ignored...
"""
import sys
old_stderr = sys.stderr
stderr = sys.stderr = StringIO()
try:
write_unraisable()
finally:
sys.stderr = old_stderr
return stderr.getvalue().strip()
cdef int initialize_array() nogil:
cdef int[4] a = [1, 2, 3, 4]
return a[0] + a[1] + a[2] + a[3]
cdef int copy_array() nogil:
cdef int[4] a
a[:] = [0, 1, 2, 3]
return a[0] + a[1] + a[2] + a[3]
cdef double copy_array2() nogil:
cdef double[4] x = [1.0, 3.0, 5.0, 7.0]
cdef double[4] y
y[:] = x[:]
return y[0] + y[1] + y[2] + y[3]
cdef double copy_array3() nogil:
cdef double[4] x = [2.0, 4.0, 6.0, 8.0]
cdef double[4] y
y = x
return y[0] + y[1] + y[2] + y[3]
cdef void copy_array_exception(int n) nogil:
cdef double[5] a = [1,2,3,4,5]
cdef double[6] b
b[:n] = a
def test_initalize_array():
"""
>>> test_initalize_array()
10
"""
return initialize_array()
def test_copy_array():
"""
>>> test_copy_array()
6
"""
return copy_array()
def test_copy_array2():
"""
>>> test_copy_array2()
16.0
"""
return copy_array2()
def test_copy_array3():
"""
>>> test_copy_array3()
20.0
"""
return copy_array3()
def test_copy_array_exception(n):
"""
>>> test_copy_array_exception(20)
Traceback (most recent call last):
...
ValueError: Assignment to slice of wrong length, expected 5, got 20
"""
copy_array_exception(n)
def test_copy_array_exception_nogil(n):
"""
>>> test_copy_array_exception_nogil(20)
Traceback (most recent call last):
...
ValueError: Assignment to slice of wrong length, expected 5, got 20
"""
cdef int cn = n
with nogil:
copy_array_exception(cn)
|
