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Python 3.14 changes the default multiprocessing context from "fork" to "forkserver"; however bitbake heavily relies on "fork" to efficiently pass data to the child processes. As such, make "fork" context in the bb namespace and use it in place of the normal multiprocessing module. Note that multiprocessing contexts were added in Python 3.4, so this should be safe to use even before Python 3.14 [YOCTO #15858] (Bitbake rev: 15d7448e04aa78c827d2cef9eb1a62bd6e0dd119) Signed-off-by: Joshua Watt <JPEWhacker@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Martin Jansa <martin.jansa@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Steve Sakoman <steve@sakoman.com>
66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
#
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# SPDX-License-Identifier: MIT
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#
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import http.server
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from bb import multiprocessing
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import os
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import traceback
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import signal
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import logging
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from socketserver import ThreadingMixIn
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class HTTPServer(ThreadingMixIn, http.server.HTTPServer):
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def server_start(self, root_dir, logger):
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os.chdir(root_dir)
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self.serve_forever()
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class HTTPRequestHandler(http.server.SimpleHTTPRequestHandler):
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def log_message(self, format_str, *args):
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pass
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class HTTPService(object):
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def __init__(self, root_dir, host='', port=0, logger=None):
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self.root_dir = root_dir
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self.host = host
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self.port = port
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if not logger:
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logger = logging.getLogger()
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self.logger = logger
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def start(self):
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print(self.root_dir)
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if not os.path.exists(self.root_dir):
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self.logger.info("Not starting HTTPService for directory %s which doesn't exist" % (self.root_dir))
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return
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self.server = HTTPServer((self.host, self.port), HTTPRequestHandler)
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if self.port == 0:
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self.port = self.server.server_port
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self.process = multiprocessing.Process(target=self.server.server_start, args=[self.root_dir, self.logger])
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# The signal handler from testimage.bbclass can cause deadlocks here
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# if the HTTPServer is terminated before it can restore the standard
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#signal behaviour
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orig = signal.getsignal(signal.SIGTERM)
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signal.signal(signal.SIGTERM, signal.SIG_DFL)
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self.process.start()
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signal.signal(signal.SIGTERM, orig)
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if self.logger:
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self.logger.info("Started HTTPService on %s:%s" % (self.host, self.port))
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def stop(self):
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if hasattr(self, "server"):
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self.server.server_close()
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if hasattr(self, "process"):
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self.process.terminate()
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self.process.join()
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if self.logger:
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self.logger.info("Stopped HTTPService on %s:%s" % (self.host, self.port))
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