bpo-31019: Fix multiprocessing.Process.is_alive() (#2875) · python/cpython@2db6482 (original) (raw)
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -148,10 +148,16 @@ def is_alive(self): | ||
| 148 | 148 | if self is _current_process: |
| 149 | 149 | return True |
| 150 | 150 | assert self._parent_pid == os.getpid(), 'can only test a child process' |
| 151 | + | |
| 151 | 152 | if self._popen is None: |
| 152 | 153 | return False |
| 153 | -self._popen.poll() | |
| 154 | -return self._popen.returncode is None | |
| 154 | + | |
| 155 | +returncode = self._popen.poll() | |
| 156 | +if returncode is None: | |
| 157 | +return True | |
| 158 | +else: | |
| 159 | +_children.discard(self) | |
| 160 | +return False | |
| 155 | 161 | |
| 156 | 162 | def close(self): |
| 157 | 163 | ''' |