diff options
Diffstat (limited to 'Lib/multiprocessing/popen_forkserver.py')
| -rw-r--r-- | Lib/multiprocessing/popen_forkserver.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Lib/multiprocessing/popen_forkserver.py b/Lib/multiprocessing/popen_forkserver.py index 222db2d..fa8e574 100644 --- a/Lib/multiprocessing/popen_forkserver.py +++ b/Lib/multiprocessing/popen_forkserver.py @@ -52,7 +52,7 @@ class Popen(popen_fork.Popen): util.Finalize(self, os.close, (self.sentinel,)) with open(w, 'wb', closefd=True) as f: f.write(buf.getbuffer()) - self.pid = forkserver.read_unsigned(self.sentinel) + self.pid = forkserver.read_signed(self.sentinel) def poll(self, flag=os.WNOHANG): if self.returncode is None: @@ -61,8 +61,10 @@ class Popen(popen_fork.Popen): if not wait([self.sentinel], timeout): return None try: - self.returncode = forkserver.read_unsigned(self.sentinel) + self.returncode = forkserver.read_signed(self.sentinel) except (OSError, EOFError): - # The process ended abnormally perhaps because of a signal + # This should not happen usually, but perhaps the forkserver + # process itself got killed self.returncode = 255 + return self.returncode |