本文整理汇总了Python中multiprocessing.reduction.send_handle方法的典型用法代码示例。如果您正苦于以下问题：Python reduction.send_handle方法的具体用法？Python reduction.send_handle怎么用？Python reduction.send_handle使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类multiprocessing.reduction的用法示例。
在下文中一共展示了reduction.send_handle方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_fd_transfer
# 需要导入模块: from multiprocessing import reduction [as 别名]
# 或者: from multiprocessing.reduction import send_handle [as 别名]
def test_fd_transfer(self):
if self.TYPE != 'processes':
self.skipTest("only makes sense with processes")
conn, child_conn = self.Pipe(duplex=True)
p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
p.daemon = True
p.start()
self.addCleanup(support.unlink, support.TESTFN)
with open(support.TESTFN, "wb") as f:
fd = f.fileno()
if msvcrt:
fd = msvcrt.get_osfhandle(fd)
reduction.send_handle(conn, fd, p.pid)
p.join()
with open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"foo") 示例2: test_large_fd_transfer
# 需要导入模块: from multiprocessing import reduction [as 别名]
# 或者: from multiprocessing.reduction import send_handle [as 别名]
def test_large_fd_transfer(self):
# With fd > 256 (issue #11657)
if self.TYPE != 'processes':
self.skipTest("only makes sense with processes")
conn, child_conn = self.Pipe(duplex=True)
p = self.Process(target=self._writefd, args=(child_conn, b"bar", True))
p.daemon = True
p.start()
self.addCleanup(support.unlink, support.TESTFN)
with open(support.TESTFN, "wb") as f:
fd = f.fileno()
for newfd in range(256, MAXFD):
if not self._is_fd_assigned(newfd):
break
else:
self.fail("could not find an unassigned large file descriptor")
os.dup2(fd, newfd)
try:
reduction.send_handle(conn, newfd, p.pid)
finally:
os.close(newfd)
p.join()
with open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"bar") 示例3: test_fd_transfer
# 需要导入模块: from multiprocessing import reduction [as 别名]
# 或者: from multiprocessing.reduction import send_handle [as 别名]
def test_fd_transfer(self):
if self.TYPE != 'processes':
self.skipTest("only makes sense with processes")
conn, child_conn = self.Pipe(duplex=True)
p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
p.daemon = True
p.start()
with open(test_support.TESTFN, "wb") as f:
fd = f.fileno()
if msvcrt:
fd = msvcrt.get_osfhandle(fd)
reduction.send_handle(conn, fd, p.pid)
p.join()
with open(test_support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"foo") 示例4: test_large_fd_transfer
# 需要导入模块: from multiprocessing import reduction [as 别名]
# 或者: from multiprocessing.reduction import send_handle [as 别名]
def test_large_fd_transfer(self):
# With fd > 256 (issue #11657)
if self.TYPE != 'processes':
self.skipTest("only makes sense with processes")
conn, child_conn = self.Pipe(duplex=True)
p = self.Process(target=self._writefd, args=(child_conn, b"bar", True))
p.daemon = True
p.start()
with open(test_support.TESTFN, "wb") as f:
fd = f.fileno()
for newfd in range(256, MAXFD):
if not self._is_fd_assigned(newfd):
break
else:
self.fail("could not find an unassigned large file descriptor")
os.dup2(fd, newfd)
try:
reduction.send_handle(conn, newfd, p.pid)
finally:
os.close(newfd)
p.join()
with open(test_support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"bar") 示例5: test_fd_transfer
# 需要导入模块: from multiprocessing import reduction [as 别名]
# 或者: from multiprocessing.reduction import send_handle [as 别名]
def test_fd_transfer(self):
if self.TYPE != 'processes':
self.skipTest("only makes sense with processes")
conn, child_conn = self.Pipe(duplex=True)
p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
p.daemon = True
p.start()
self.addCleanup(test.support.unlink, test.support.TESTFN)
with open(test.support.TESTFN, "wb") as f:
fd = f.fileno()
if msvcrt:
fd = msvcrt.get_osfhandle(fd)
reduction.send_handle(conn, fd, p.pid)
p.join()
with open(test.support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"foo") 示例6: test_large_fd_transfer
# 需要导入模块: from multiprocessing import reduction [as 别名]
# 或者: from multiprocessing.reduction import send_handle [as 别名]
def test_large_fd_transfer(self):
# With fd > 256 (issue #11657)
if self.TYPE != 'processes':
self.skipTest("only makes sense with processes")
conn, child_conn = self.Pipe(duplex=True)
p = self.Process(target=self._writefd, args=(child_conn, b"bar", True))
p.daemon = True
p.start()
self.addCleanup(test.support.unlink, test.support.TESTFN)
with open(test.support.TESTFN, "wb") as f:
fd = f.fileno()
for newfd in range(256, MAXFD):
if not self._is_fd_assigned(newfd):
break
else:
self.fail("could not find an unassigned large file descriptor")
os.dup2(fd, newfd)
try:
reduction.send_handle(conn, newfd, p.pid)
finally:
os.close(newfd)
p.join()
with open(test.support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"bar")