Apr 18, 2025
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
 import time
 import weakref
 from weakref import WeakKeyDictionary
 from ctypes import c_int, c_void_p, pythonapi

 import numpy as np

 from matplotlib._enums import JoinStyle, CapStyle


 pythonapi.PyOS_getsig.restype = c_void_p
 pythonapi.PyOS_getsig.argtypes = (c_int,)
 pythonapi.PyOS_setsig.restype = c_void_p
 pythonapi.PyOS_setsig.argtypes = (c_int, c_void_p)

 _log = logging.getLogger(__name__)
 _default_filetypes = {
    'eps': 'Encapsulated Postscript',
    old_wakeup_fd = signal.set_wakeup_fd(wsock.fileno())
    notifier = prepare_notifier(rsock)

    # Save OS level sigint handlers
    # See https://github.com/prompt-toolkit/python-prompt-toolkit/issues/1576
    sigint_os = pythonapi.PyOS_getsig(signal.SIGINT)

    def save_args_and_handle_sigint(*args):
        nonlocal handler_args
        handler_args = args
        rsock.close()
        signal.set_wakeup_fd(old_wakeup_fd)
        signal.signal(signal.SIGINT, old_sigint_handler)
        pythonapi.PyOS_setsig(signal.SIGINT, sigint_os)
        if handler_args is not None:
            old_sigint_handler(*handler_args)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -42,6 +42,7 @@
		import time
		import weakref
		from weakref import WeakKeyDictionary
		from ctypes import c_int, c_void_p, pythonapi

		import numpy as np

Expand All		@@ -59,6 +60,11 @@
		from matplotlib._enums import JoinStyle, CapStyle


		pythonapi.PyOS_getsig.restype = c_void_p
		pythonapi.PyOS_getsig.argtypes = (c_int,)
		pythonapi.PyOS_setsig.restype = c_void_p
		pythonapi.PyOS_setsig.argtypes = (c_int, c_void_p)

		_log = logging.getLogger(__name__)
		_default_filetypes = {
		'eps': 'Encapsulated Postscript',
Expand DownExpand Up		@@ -1655,6 +1661,10 @@ def _allow_interrupt(prepare_notifier, handle_sigint):
		old_wakeup_fd = signal.set_wakeup_fd(wsock.fileno())
		notifier = prepare_notifier(rsock)

		# Save OS level sigint handlers
		# See https://github.com/prompt-toolkit/python-prompt-toolkit/issues/1576
		sigint_os = pythonapi.PyOS_getsig(signal.SIGINT)

		def save_args_and_handle_sigint(*args):
		nonlocal handler_args
		handler_args = args
Expand All		@@ -1668,6 +1678,7 @@ def save_args_and_handle_sigint(*args):
		rsock.close()
		signal.set_wakeup_fd(old_wakeup_fd)
		signal.signal(signal.SIGINT, old_sigint_handler)
		pythonapi.PyOS_setsig(signal.SIGINT, sigint_os)
		if handler_args is not None:
		old_sigint_handler(*handler_args)

Expand Down