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Clear signal handlers when running processes

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Kovid Goyal
2022-06-08 17:50:42 +05:30
parent 18dd13c872
commit 47d482dca9
11 changed files with 82 additions and 32 deletions
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16
kitty/utils.py
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@@ -18,8 +18,8 @@ from typing import (
)
from .constants import (
appname, config_dir, is_macos, is_wayland, read_kitty_resource,
runtime_dir, shell_path, ssh_control_master_template,
appname, clear_handled_signals, config_dir, is_macos, is_wayland,
read_kitty_resource, runtime_dir, shell_path, ssh_control_master_template,
supports_primary_selection
)
from .fast_data_types import Color, open_tty
@@ -277,7 +277,9 @@ def open_cmd(cmd: Union[Iterable[str], List[str]], arg: Union[None, Iterable[str
cmd.append(arg)
else:
cmd.extend(arg)
return subprocess.Popen(tuple(cmd), stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, cwd=cwd or None)
return subprocess.Popen(
tuple(cmd), stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, cwd=cwd or None,
preexec_fn=clear_handled_signals)
def open_url(url: str, program: Union[str, List[str]] = 'default', cwd: Optional[str] = None) -> 'PopenType[bytes]':
@@ -797,7 +799,9 @@ def read_shell_environment(opts: Optional[Options] = None) -> Dict[str, str]:
if '-i' not in shell and '--interactive' not in shell:
shell += ['-i']
try:
p = subprocess.Popen(shell + ['-c', 'env'], stdout=slave, stdin=slave, stderr=slave, start_new_session=True, close_fds=True)
p = subprocess.Popen(
shell + ['-c', 'env'], stdout=slave, stdin=slave, stderr=slave, start_new_session=True, close_fds=True,
preexec_fn=clear_handled_signals)
except FileNotFoundError:
log_error('Could not find shell to read environment')
return ans
@@ -970,8 +974,8 @@ def cleanup_ssh_control_masters() -> None:
except OSError:
return
workers = tuple(subprocess.Popen([
'ssh', '-o', f'ControlPath={x}', '-O', 'exit', 'kitty-unused-host-name'], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
for x in files)
'ssh', '-o', f'ControlPath={x}', '-O', 'exit', 'kitty-unused-host-name'], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL,
preexec_fn=clear_handled_signals) for x in files)
for w in workers:
w.wait()
for x in files: