Fix the torch.Stream context manager reentrance#176603
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atalman merged 1 commit intorelease/2.11from Mar 9, 2026
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# Motivation
This PR aims to fix `torch.Stream` as a context manager nested/reentrance scenario. `torch.cuda.stream` and `torch.xpu.stream` could support these usages.
The following scenario would be fixed with this PR:
```python
import torch
s0 = torch.Stream()
with s0, s0:
pass
```
```python
import torch
s0 = torch.Stream()
s1 = torch.Stream()
with s0, s1:
with s0, s1:
pass
```
# Addtional Context
Fix #176560
Pull Request resolved: #176568
Approved by: https://github.com/albanD
(cherry picked from commit d43570c)
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/176603
Note: Links to docs will display an error until the docs builds have been completed. ✅ No FailuresAs of commit 616cb0c with merge base 0fd766e ( This comment was automatically generated by Dr. CI and updates every 15 minutes. |
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atalman
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Mar 9, 2026
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Stack from ghstack (oldest at bottom):
Motivation
This PR aims to fix
torch.Streamas a context manager nested/reentrance scenario.torch.cuda.streamandtorch.xpu.streamcould support these usages.The following scenario would be fixed with this PR:
Addtional Context
Fix #176560