/
/
usr
/
lib64
/
python3.9
/
multiprocessing
EDITOR
/usr/lib64/python3.9/multiprocessing/popen_spawn_posix.py
SAVE
CLOSE
import io import os from .context import reduction, set_spawning_popen 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, 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 resource_tracker tracker_fd = resource_tracker.getfd() self._fds.append(tracker_fd) prep_data = spawn.get_preparation_data(process_obj._name) fp = io.BytesIO() set_spawning_popen(self) try: reduction.dump(prep_data, fp) reduction.dump(process_obj, fp) finally: 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: fds_to_close = [] for fd in (parent_r, parent_w): if fd is not None: fds_to_close.append(fd) self.finalizer = util.Finalize(self, util.close_fds, fds_to_close) for fd in (child_r, child_w): if fd is not None: os.close(fd)
Ln 1, Col 1
FORMAT
WRAP
SAVE FILE
ONLINE
multiprocessing
23 items
04:31:48
TERMINAL FM
×
NAVIGATION
Root
Parent Dir
Refresh
ACTIONS
New Folder
New File
Upload Files
New Symlink
SELECTION
Select All
Deselect
Delete Selected
NEW FOLDER
FOLDER NAME
NEW FILE
FILE NAME
UPLOAD FILES
Click to browse or drag & drop files
No files selected
RENAME
CURRENT NAME
NEW NAME
COPY FILE
SOURCE
DESTINATION NAME
CHMOD
FILE / FOLDER
CURRENT PERMISSIONS
NEW MODE (octal)
755 (rwxr-xr-x)
644 (rw-r--r--)
777 (rwxrwxrwx)
600 (rw-------)
444 (r--r--r--)
CONFIRM DELETE
You are about to delete:
This action is irreversible. All contents will be permanently removed.
NEW SYMLINK
LINK TARGET (path)
LINK NAME
Edit
Preview
Download
Rename
Copy
Chmod
Delete