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[Bug]: once_flag and call_once hangs when first invocation throws exception #1823

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dentiny opened this issue Feb 6, 2025 · 0 comments
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@dentiny
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dentiny commented Feb 6, 2025

Describe the issue

gcc's STL implementation suffers the same problem, see issue for details.
I'm wondering if abseil team plans to resolve it.

Steps to reproduce the problem

This is the link to reproduce STL's issue, replacing with the abseil implementation could reproduce as well.

What version of Abseil are you using?

20230802.1

What operating system and version are you using?

[~/ray] (master) 
ubuntu@hjiang-devbox-pg$ uname -a
Linux hjiang-devbox-pg 5.15.0-1056-aws #61~20.04.1-Ubuntu SMP Wed Mar 13 17:40:41 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
(myenv) 
[~/ray] (master) 
ubuntu@hjiang-devbox-pg$ lscpu
Architecture:                       x86_64
CPU op-mode(s):                     32-bit, 64-bit
Byte Order:                         Little Endian
Address sizes:                      46 bits physical, 48 bits virtual
CPU(s):                             32
On-line CPU(s) list:                0-31
Thread(s) per core:                 2
Core(s) per socket:                 16
Socket(s):                          1
NUMA node(s):                       1
Vendor ID:                          GenuineIntel
CPU family:                         6
Model:                              85
Model name:                         Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz

What compiler and version are you using?

[~/ray] (master) 
ubuntu@hjiang-devbox-pg$ g++ --version
g++ (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0
Copyright (C) 2019 Free Software Foundation, Inc.

What build system are you using?

[~/ray] (master) 
ubuntu@hjiang-devbox-pg$ bazel --version
bazel 6.5.0

Additional context

No response

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