def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__()
python类_reset_internal_locks()的实例源码
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _active.itervalues():
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
# Any condition variables hanging off of the active thread may
# be in an invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
new_active[ident] = thread
else:
# All the others are already stopped.
# We don't call _Thread__stop() because it tries to acquire
# thread._Thread__block which could also have been held while
# we forked.
thread._Thread__stopped = True
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__()
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _enumerate():
# Any lock/condition variable may be currently locked or in an
# invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
new_active[ident] = thread
else:
# All the others are already stopped.
thread._Thread__stop()
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__()
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _enumerate():
# Any lock/condition variable may be currently locked or in an
# invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
new_active[ident] = thread
else:
# All the others are already stopped.
thread._Thread__stop()
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__(Lock())
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _enumerate():
# Any lock/condition variable may be currently locked or in an
# invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
new_active[ident] = thread
else:
# All the others are already stopped.
thread._Thread__stop()
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__(Lock())
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _enumerate():
# Any lock/condition variable may be currently locked or in an
# invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
new_active[ident] = thread
else:
# All the others are already stopped.
thread._Thread__stop()
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__(Lock())
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _enumerate():
# Any lock/condition variable may be currently locked or in an
# invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
new_active[ident] = thread
else:
# All the others are already stopped.
thread._Thread__stop()
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__(Lock())
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _enumerate():
# Any lock/condition variable may be currently locked or in an
# invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
new_active[ident] = thread
else:
# All the others are already stopped.
thread._Thread__stop()
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__()
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _enumerate():
# Any lock/condition variable may be currently locked or in an
# invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
new_active[ident] = thread
else:
# All the others are already stopped.
thread._Thread__stop()
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__(Lock())
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _enumerate():
# Any lock/condition variable may be currently locked or in an
# invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
new_active[ident] = thread
else:
# All the others are already stopped.
thread._Thread__stop()
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
def _reset_internal_locks(self):
# private! called by Thread._reset_internal_locks by _after_fork()
self.__cond.__init__()
def _reset_internal_locks(self):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.
if hasattr(self, '_Thread__block'): # DummyThread deletes self.__block
self.__block.__init__()
self.__started._reset_internal_locks()
def _after_fork():
# This function is called by Python/ceval.c:PyEval_ReInitThreads which
# is called from PyOS_AfterFork. Here we cleanup threading module state
# that should not exist after a fork.
# Reset _active_limbo_lock, in case we forked while the lock was held
# by another (non-forked) thread. http://bugs.python.org/issue874900
global _active_limbo_lock
_active_limbo_lock = _allocate_lock()
# fork() only copied the current thread; clear references to others.
new_active = {}
current = current_thread()
with _active_limbo_lock:
for thread in _active.itervalues():
# Any lock/condition variable may be currently locked or in an
# invalid state, so we reinitialize them.
if hasattr(thread, '_reset_internal_locks'):
thread._reset_internal_locks()
if thread is current:
# There is only one active thread. We reset the ident to
# its new value since it can have changed.
ident = _get_ident()
thread._Thread__ident = ident
new_active[ident] = thread
else:
# All the others are already stopped.
thread._Thread__stop()
_limbo.clear()
_active.clear()
_active.update(new_active)
assert len(_active) == 1
# Self-test code
