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192.64.117.91

File Name : popen_spawn_posix.py

import io
import os

from . import context
from . import popen_fork
from . import reduction
from . import spawn
from . import util

__all__ = ['Popen']

#
# Wrapper for an fd used while launching a process
#

class _DupFd(object):
    def __init__(self, fd):
        self.fd = fd
    def detach(self):
        return self.fd

#
# Start child process using a fresh interpreter
#

class Popen(popen_fork.Popen):
    method = 'spawn'
    DupFd = _DupFd

def __init__(self, process_obj):
        self._fds = []
        super().__init__(process_obj)

def duplicate_for_child(self, fd):
        self._fds.append(fd)
        return fd

def _launch(self, process_obj):
        from . import semaphore_tracker
        tracker_fd = semaphore_tracker.getfd()
        self._fds.append(tracker_fd)
        prep_data = spawn.get_preparation_data(process_obj._name)
        fp = io.BytesIO()
        context.set_spawning_popen(self)
        try:
            reduction.dump(prep_data, fp)
            reduction.dump(process_obj, fp)
        finally:
            context.set_spawning_popen(None)

parent_r = child_w = child_r = parent_w = None
        try:
            parent_r, child_w = os.pipe()
            child_r, parent_w = os.pipe()
            cmd = spawn.get_command_line(tracker_fd=tracker_fd,
                                         pipe_handle=child_r)
            self._fds.extend([child_r, child_w])
            self.pid = util.spawnv_passfds(spawn.get_executable(),
                                           cmd, self._fds)
            self.sentinel = parent_r
            with open(parent_w, 'wb', closefd=False) as f:
                f.write(fp.getbuffer())
        finally:
            if parent_r is not None:
                util.Finalize(self, os.close, (parent_r,))
            for fd in (child_r, child_w, parent_w):
                if fd is not None:
                    os.close(fd)

System Information
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File : BlackDragon /simple/function.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/linksafe	0755	2024-05-24 06:41:02
..	dir	-	root/linksafe	0755	2024-05-24 06:41:02
__pycache__	dir	-	root/linksafe	0755	2024-05-24 06:41:02
dummy	dir	-	root/linksafe	0755	2024-05-24 06:41:02
__init__.py	text/x-script.python	923 B	root/linksafe	0644	2024-04-17 05:09:57
connection.py	text/x-script.python	30.51 KB	root/linksafe	0644	2024-04-17 05:09:57
context.py	text/x-script.python	10.42 KB	root/linksafe	0644	2024-04-17 05:09:57
forkserver.py	text/x-script.python	8.28 KB	root/linksafe	0644	2024-04-17 05:09:57
heap.py	text/x-script.python	7.77 KB	root/linksafe	0644	2024-04-17 05:09:57
managers.py	text/x-script.python	35.42 KB	root/linksafe	0644	2024-04-17 05:09:57
pool.py	text/x-script.python	24.47 KB	root/linksafe	0644	2024-04-17 05:09:57
popen_fork.py	text/x-script.python	2.36 KB	root/linksafe	0644	2024-04-17 05:09:57
popen_forkserver.py	text/x-script.python	1.92 KB	root/linksafe	0644	2024-04-17 05:09:57
popen_spawn_posix.py	text/x-script.python	1.87 KB	root/linksafe	0644	2024-04-17 05:09:57
popen_spawn_win32.py	text/x-script.python	2.93 KB	root/linksafe	0644	2024-04-17 05:09:57
process.py	text/x-script.python	8.93 KB	root/linksafe	0644	2024-04-17 05:09:57
queues.py	text/x-script.python	11.29 KB	root/linksafe	0644	2024-04-17 05:09:57
reduction.py	text/x-script.python	7.92 KB	root/linksafe	0644	2024-04-17 05:09:57
resource_sharer.py	text/x-script.python	5.19 KB	root/linksafe	0644	2024-04-17 05:09:57
semaphore_tracker.py	text/x-script.python	4.71 KB	root/linksafe	0644	2024-04-17 05:09:57
sharedctypes.py	text/x-script.python	6.19 KB	root/linksafe	0644	2024-04-17 05:09:57
spawn.py	text/plain	8.64 KB	root/linksafe	0644	2024-04-17 05:09:57
synchronize.py	text/x-script.python	11.94 KB	root/linksafe	0644	2024-04-17 05:09:57
util.py	text/x-script.python	10.37 KB	root/linksafe	0644	2024-04-17 05:09:57