cameron314/concurrentqueue

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A fast multi-producer, multi-consumer lock-free concurrent queue for C++11

Stars: 12.5k
Forks: 1.9k
Open beginner issues: 0
Indexed issues: 67

Dominant language: C++
License: No license data
Last GitHub push: Jul 11, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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67 open issues indexed

-Wstringop-overflow false positive in enqueue_bulk with a producer token (GCC 14-16, -O2+) Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

cameron314/concurrentqueue#456 · 1 comment · Opened Aug 26, 2026
Riscv compilation encounters a tbss error Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

cameron314/concurrentqueue#453 · 3 comments · Opened Jul 3, 2026
Portable (w/ c++20) version of lightweightsemaphore Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cameron314/concurrentqueue#449 · Opened Apr 12, 2026
How can I define element size dynamically ? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

cameron314/concurrentqueue#442 · 4 comments · Opened Feb 11, 2026
Compilation failure with MOODYCAMEL_NO_THREAD_LOCAL defined Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

cameron314/concurrentqueue#439 · 1 comment · Opened Feb 5, 2026
Dequeue sometimes skips a prefix of a sub-queue Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

cameron314/concurrentqueue#437 · 13 comments · Opened Nov 12, 2025
How to pretty print concurrent queue contents in GDB? Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

cameron314/concurrentqueue#436 · 2 comments · Opened Sep 19, 2025
Deprecation warnings when building with newer versions of CMake Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

cameron314/concurrentqueue#432 · 2 reactions · Opened Aug 1, 2025
ImplicitProducer try_enqueue in multi thread may not act as expected Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cameron314/concurrentqueue#429 · 1 comment · Opened Jul 8, 2025
How to drain a multi-producer queue properly? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

cameron314/concurrentqueue#426 · 1 comment · Opened Jun 28, 2025
In some cases, the order of values retrieved by calling try_dequeue does not match the order in which the values were placed by enqueue. Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

cameron314/concurrentqueue#424 · 6 comments · Opened Jun 15, 2025
Pre-allocation of producers Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

cameron314/concurrentqueue#420 · 3 comments · Opened May 9, 2025
Segmentation fault during fuzztests "unaligned tcache chunk" / "double free or corruption (out)" Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

cameron314/concurrentqueue#413 · 2 comments · Opened Apr 4, 2025
concurrent queue on a GPU Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

cameron314/concurrentqueue#412 · 1 comment · Opened Mar 20, 2025
Hang when shutting down blocking concurrent queue via interrupt Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cameron314/concurrentqueue#411 · 1 comment · Opened Mar 17, 2025
try_enqueue fails Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cameron314/concurrentqueue#410 · 3 comments · Opened Mar 16, 2025
Prepare enqueue API Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

cameron314/concurrentqueue#409 · 4 comments · Opened Mar 8, 2025
Potential memory order inconsistency on freelist block reusage Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cameron314/concurrentqueue#404 · 9 comments · 4 reactions · Opened Dec 17, 2024
Consider not making functions in headers static to improve compatibility with C++ modules Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

cameron314/concurrentqueue#402 · 1 comment · 1 reaction · Opened Nov 2, 2024
worse than locked queue Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cameron314/concurrentqueue#399 · 6 comments · Opened Oct 10, 2024
loop panic Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

cameron314/concurrentqueue#397 · 3 comments · 1 reaction · Opened Sep 23, 2024
why ocassionally unexcepted clear queue Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cameron314/concurrentqueue#395 · 3 comments · Opened Sep 6, 2024
First try_queue return 1 always Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cameron314/concurrentqueue#394 · 1 comment · Opened Jul 23, 2024
Vcpkg install differs from a CMake-based manual install Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cameron314/concurrentqueue#392 · 1 reaction · Opened Jun 19, 2024
Consider reviewing the include path for a CMake install Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

cameron314/concurrentqueue#391 · 3 comments · 3 reactions · Opened Jun 19, 2024
Multi-producer single consumer model, consumption order and production is inconsistent Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

cameron314/concurrentqueue#390 · 3 comments · Opened Jun 18, 2024
Add a context for allocations Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

cameron314/concurrentqueue#388 · 1 reaction · Opened Jun 10, 2024
CMakeLists INSTALL DESTINATION and INSTALL_INTERFACE are inconsistent Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

cameron314/concurrentqueue#384 · 7 comments · Opened May 17, 2024
How to use Concurrent queue with std::vector Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

cameron314/concurrentqueue#383 · 1 comment · Opened Apr 30, 2024
Dequeue a list using an std::vector Open

Difficulty 1/5 Under an hour Newbie friendliness 20/100

cameron314/concurrentqueue#382 · 1 comment · Opened Apr 23, 2024
To use one concurrent queue between multiple threads Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cameron314/concurrentqueue#377 · 3 comments · Opened Mar 20, 2024
Linux fs.h causes compilation problems Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

cameron314/concurrentqueue#376 · 4 comments · Opened Mar 18, 2024
About license Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

cameron314/concurrentqueue#374 · 1 comment · 1 reaction · Opened Jan 21, 2024
Waiting without dequeuing Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cameron314/concurrentqueue#371 · 1 comment · 1 reaction · Opened Dec 14, 2023
Introducing LIFO semaphore Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cameron314/concurrentqueue#370 · 1 reaction · Opened Dec 7, 2023
installed concurrentqueue using vcpkg, but can not make. Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

cameron314/concurrentqueue#368 · Opened Dec 2, 2023
Occasionally program can be stuck inside try_dequeue of blockingconcurrentqueue.h Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cameron314/concurrentqueue#367 · 1 comment · Opened Dec 1, 2023
[feature-request] Associating ProducerToken & ConsumerToken explicitly Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cameron314/concurrentqueue#365 · Opened Oct 30, 2023
Memory Leak Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cameron314/concurrentqueue#364 · 13 comments · 1 reaction · Opened Oct 17, 2023
Question: Does this build and run on QNX ? Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

cameron314/concurrentqueue#362 · 2 comments · Opened Sep 29, 2023
How to force fully remove the remaining data. Open

Difficulty 4/5 3-5 days Newbie friendliness 22/100

cameron314/concurrentqueue#361 · 4 comments · 1 reaction · Opened Sep 26, 2023
Zero-copy support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cameron314/concurrentqueue#359 · 4 comments · 1 reaction · Opened Sep 10, 2023
How to use token in multi producers and multi consumers situation? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

cameron314/concurrentqueue#358 · 1 comment · Opened Sep 7, 2023
possible race condtion in accessing object in shared_ptr if share_ptr is the template type for concurrentqueue? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cameron314/concurrentqueue#355 · 2 comments · Opened Aug 25, 2023
Support for non default constructible types Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cameron314/concurrentqueue#345 · 3 comments · Opened May 22, 2023
BlockingConcurrentQueue How do I delete all tasks Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

cameron314/concurrentqueue#343 · 2 comments · Opened May 4, 2023
how to add the capacity of ordering by priority to continuously Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

cameron314/concurrentqueue#340 · 1 comment · Opened Apr 7, 2023
M1 profiling results Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cameron314/concurrentqueue#335 · 6 comments · 1 reaction · Opened Feb 28, 2023
RFE: add capacity() method to query ConcurrentQueue and BlockingConcurrentQueue about actual capacity Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cameron314/concurrentqueue#332 · 10 comments · Opened Feb 24, 2023
explicite producer inner call set_many_empty lead to assert(false) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cameron314/concurrentqueue#330 · 4 comments · Opened Jan 12, 2023

cameron314/concurrentqueue

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