diff options
Diffstat (limited to 'Lib/multiprocessing')
| -rw-r--r-- | Lib/multiprocessing/forking.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Lib/multiprocessing/forking.py b/Lib/multiprocessing/forking.py index 7eda991..a66f7a0 100644 --- a/Lib/multiprocessing/forking.py +++ b/Lib/multiprocessing/forking.py @@ -103,7 +103,12 @@ if sys.platform != 'win32': def poll(self, flag=os.WNOHANG): if self.returncode is None: - pid, sts = os.waitpid(self.pid, flag) + try: + pid, sts = os.waitpid(self.pid, flag) + except os.error: + # Child process not yet created. See #1731717 + # e.errno == errno.ECHILD == 10 + return None if pid == self.pid: if os.WIFSIGNALED(sts): self.returncode = -os.WTERMSIG(sts) |