TripleDNN

Current Directory: /opt/alt/python38/lib64/python3.8/multiprocessing

File Name	Size	Actions
📁 __pycache__	Folder	Edit \| Delete \| Rename \| Download
📁 dummy	Folder	Edit \| Delete \| Rename \| Download
__init__.py	916 bytes	Edit \| Delete \| Rename \| Download
connection.py	31685 bytes	Edit \| Delete \| Rename \| Download
context.py	11257 bytes	Edit \| Delete \| Rename \| Download
forkserver.py	12531 bytes	Edit \| Delete \| Rename \| Download
heap.py	11626 bytes	Edit \| Delete \| Rename \| Download
managers.py	48917 bytes	Edit \| Delete \| Rename \| Download
pool.py	32509 bytes	Edit \| Delete \| Rename \| Download
popen_fork.py	2568 bytes	Edit \| Delete \| Rename \| Download
popen_forkserver.py	2230 bytes	Edit \| Delete \| Rename \| Download
popen_spawn_posix.py	2029 bytes	Edit \| Delete \| Rename \| Download
popen_spawn_win32.py	4011 bytes	Edit \| Delete \| Rename \| Download
process.py	12005 bytes	Edit \| Delete \| Rename \| Download
queues.py	11690 bytes	Edit \| Delete \| Rename \| Download
reduction.py	9512 bytes	Edit \| Delete \| Rename \| Download
resource_sharer.py	5352 bytes	Edit \| Delete \| Rename \| Download
resource_tracker.py	8613 bytes	Edit \| Delete \| Rename \| Download
shared_memory.py	17422 bytes	Edit \| Delete \| Rename \| Download
sharedctypes.py	6306 bytes	Edit \| Delete \| Rename \| Download
spawn.py	9296 bytes	Edit \| Delete \| Rename \| Download
synchronize.py	11610 bytes	Edit \| Delete \| Rename \| Download
util.py	13950 bytes	Edit \| Delete \| Rename \| Download

import io
import os

from .context import reduction, set_spawning_popen
if not reduction.HAVE_SEND_HANDLE:
    raise ImportError('No support for sending fds between processes')
from . import forkserver
from . import popen_fork
from . import spawn
from . import util

__all__ = ['Popen']

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

class _DupFd(object):
    def __init__(self, ind):
        self.ind = ind
    def detach(self):
        return forkserver.get_inherited_fds()[self.ind]

#
# Start child process using a server process
#

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

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

def duplicate_for_child(self, fd):
        self._fds.append(fd)
        return len(self._fds) - 1

def _launch(self, process_obj):
        prep_data = spawn.get_preparation_data(process_obj._name)
        buf = io.BytesIO()
        set_spawning_popen(self)
        try:
            reduction.dump(prep_data, buf)
            reduction.dump(process_obj, buf)
        finally:
            set_spawning_popen(None)

self.sentinel, w = forkserver.connect_to_new_process(self._fds)
        # Keep a duplicate of the data pipe's write end as a sentinel of the
        # parent process used by the child process.
        _parent_w = os.dup(w)
        self.finalizer = util.Finalize(self, util.close_fds,
                                       (_parent_w, self.sentinel))
        with open(w, 'wb', closefd=True) as f:
            f.write(buf.getbuffer())
        self.pid = forkserver.read_signed(self.sentinel)

def poll(self, flag=os.WNOHANG):
        if self.returncode is None:
            from multiprocessing.connection import wait
            timeout = 0 if flag == os.WNOHANG else None
            if not wait([self.sentinel], timeout):
                return None
            try:
                self.returncode = forkserver.read_signed(self.sentinel)
            except (OSError, EOFError):
                # This should not happen usually, but perhaps the forkserver
                # process itself got killed
                self.returncode = 255

return self.returncode