KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use on_fork method in autotest

Best Python code snippet using autotest_python

fork.py

Source:fork.py

...112            handle_child_crash()113    def _child_main(self, childfp):114        reset_logging_framework()  # Must be first!115        fixup_prngs()116        mitogen.core.Latch._on_fork()117        mitogen.core.Side._on_fork()118        if self.on_fork:119            self.on_fork()120        mitogen.core.set_block(childfp.fileno())121        # Expected by the ExternalContext.main().122        os.dup2(childfp.fileno(), 1)123        os.dup2(childfp.fileno(), 100)124        # Overwritten by ExternalContext.main(); we must replace the125        # parent-inherited descriptors that were closed by Side._on_fork() to126        # avoid ExternalContext.main() accidentally allocating new files over127        # the standard handles.128        os.dup2(childfp.fileno(), 0)129        # Avoid corrupting the stream on fork crash by dupping /dev/null over130        # stderr. Instead, handle_child_crash() uses /dev/tty to log errors.131        devnull = os.open('/dev/null', os.O_WRONLY)132        if devnull != 2:133            os.dup2(devnull, 2)134            os.close(devnull)135        # If we're unlucky, childfp.fileno() may coincidentally be one of our136        # desired FDs. In that case closing it breaks ExternalContext.main().137        if childfp.fileno() not in (0, 1, 100):138            childfp.close()139        config = self.get_econtext_config()...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.