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bpo-40280: Emscripten fork_exec now fails early (GH-32224)

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Christian Heimes 2022-04-01 22:20:56 +03:00 • committed by GitHub
parent 76b8a075b8
commit 082d3495d0
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4 changed files with 19 additions and 7 deletions
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10
Lib/subprocess.py
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@ -96,7 +96,13 @@ if _mswindows:
"CREATE_NO_WINDOW", "DETACHED_PROCESS",
"CREATE_DEFAULT_ERROR_MODE", "CREATE_BREAKAWAY_FROM_JOB"])
else:
import _posixsubprocess
if sys.platform in {"emscripten", "wasi"}:
def _fork_exec(*args, **kwargs):
raise OSError(
errno.ENOTSUP, f"{sys.platform} does not support processes."
)
else:
from _posixsubprocess import fork_exec as _fork_exec
import select
import selectors
@ -1777,7 +1783,7 @@ class Popen:
for dir in os.get_exec_path(env))
fds_to_keep = set(pass_fds)
fds_to_keep.add(errpipe_write)
self.pid = _posixsubprocess.fork_exec(
self.pid = _fork_exec(
args, executable_list,
close_fds, tuple(sorted(map(int, fds_to_keep))),
cwd, env_list,