Current File : //lib/python3/dist-packages/twisted/internet/test/__pycache__/test_sigchld.cpython-312.pyc
�
Ϫ�f
� � � d Z ddlmZ ddlZddlZddlZddlmZ ddlm Z edk( rddl
m Z m Z ddl
mZ nd Z G d
� d e � Zy) zX
Tests for L{twisted.internet._sigchld}, an alternate, superior SIGCHLD
monitoring API.
� )� annotationsN)� platformType)�SynchronousTestCase�posix)�installHandler�isDefaultHandler)�setNonBlockingz,These tests can only run on POSIX platforms.c �H � e Zd ZdZd
d�Zd d�Zd d�Zd d�Zd d�Zd d�Z d d�Z
y ) �SetWakeupSIGCHLDTestszy
Tests for the L{signal.set_wakeup_fd} implementation of the
L{installHandler} and L{isDefaultHandler} APIs.
c �� � t j � \ }}| j t j |� | j t j |� t |� t |� ||fS )zk
Create a non-blocking pipe which will be closed after the currently
running test.
)�os�pipe�
addCleanup�closer ��self�read�writes �D/usr/lib/python3/dist-packages/twisted/internet/test/test_sigchld.pyr zSetWakeupSIGCHLDTests.pipe sQ � �
�g�g�i� ��e� ������$�'� ������%�(��t� ��u� ��U�{�� c �t � t j t j � | _ t d� | _ y)z�
Save the current SIGCHLD handler as reported by L{signal.signal} and
the current file descriptor registered with L{installHandler}.
���N)�signal� getsignal�SIGCHLD�signalModuleHandlerr �oldFD�r s r �setUpzSetWakeupSIGCHLDTests.setUp* s' � �
$*�#3�#3�F�N�N�#C�� �#�B�'��
r c � � t | j � t j t j | j � y)zM
Restore whatever signal handler was present when setUp ran.
N)r r r r r r s r �tearDownz SetWakeupSIGCHLDTests.tearDown2 s( � �
�t�z�z�"��
�
�f�n�n�d�&>�&>�?r c �� � | j t � � t j t j t j � | j t � � t j t j t j � | j t � � t j t j d� � | j t � � y)zn
L{isDefaultHandler} returns true if the SIGCHLD handler is SIG_DFL,
false otherwise.
c � � y )N� )�argss r �<lambda>z=SetWakeupSIGCHLDTests.test_isDefaultHandler.<locals>.<lambda>D s � r N)�
assertTruer r r �SIG_IGN� assertFalse�SIG_DFLr s r �test_isDefaultHandlerz+SetWakeupSIGCHLDTests.test_isDefaultHandler: s� � �
���(�*�+��
�
�f�n�n�f�n�n�5� ���)�+�,��
�
�f�n�n�f�n�n�5� ���(�*�+��
�
�f�n�n�&8�9� ���)�+�,r c �v � | j � \ }}t |� }| j t |� |� y)zV
L{installHandler} returns the previously registered file descriptor.
N)r r � assertEqual)r r r r s r �test_returnOldFDz&SetWakeupSIGCHLDTests.test_returnOldFDG s2 � � �i�i�k� ��e� �u�%�� ��� ��.��6r c �� � | j � \ }}| j t � � t |� | j t � � t d� | j t � � y)zO
C{installHandler(-1)} removes the SIGCHLD handler completely.
r N)r r' r r r) r s r �test_uninstallHandlerz+SetWakeupSIGCHLDTests.test_uninstallHandlerO sU � � �i�i�k� ��e� ���(�*�+��u� � ���)�+�,��r�� ���(�*�+r c � � | j � \ }}t |� | j t t j
|d� }| j
|j t j � t j t j � t j � | j
t t j
|d� � d� y)z�
The file descriptor passed to L{installHandler} has a byte written to
it when SIGCHLD is delivered to the process.
� � N)r r � assertRaises�OSErrorr
r r- �errno�EAGAIN�kill�getpidr r �len)r r r �excs r �test_installHandlerz)SetWakeupSIGCHLDTests.test_installHandlerZ s� � �
�i�i�k� ��e��u� �� � �����$��:�� ������E�L�L�1�
���� � � �V�^�^�,� ����R�W�W�T�1� -�.��2r N)�returnztuple[int, int])r= �None) �__name__�
__module__� __qualname__�__doc__r r r! r+ r. r0 r< r$ r r r r s+ � ��
�(�@� -�7� ,�
3r r )rB �
__future__r r6 r
r �twisted.python.runtimer �twisted.trial.unittestr �twisted.internet._signalsr r �twisted.internet.fdescr �skipr r$ r r �<module>rI s@ ��� #� � �
� /� 6��7��J�5� 9�D�O3� /� O3r
Mini Shell