spinlock

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x86 spinlock using cmpxchg

I\'m new to using gcc inline assembly, and was wondering if, on an x86 multi-core machine, a spinlock (without race conditions) could be implemented as (using AT&T syntax):[详细]

2023-03-24 22:21 分类：问答
iOS thread problem

I load image by NSOparationInvokation and call out method in the main thread, which adds this image to scroll view, but app hardly lags. If I load image but not add it view,开发者_如何学JAVA app works[详细]

2023-03-20 09:28 分类：问答
Are there any examples in the .Net framework that use spinlock or spinwait?

I had a look at the concurrent col开发者_运维知识库lections but they appear to use normal locking underneath the hood. Are there any good examples in the .Net framework that use this locking construct[详细]

2023-03-16 02:00 分类：问答
When should one use a spinlock instead of mutex?

I think both are doing the same job,how do you decide开发者_高级运维 which one to use for synchronization?The Theory[详细]

2023-03-02 17:52 分类：问答
Is there a way to make sem_wait not spin?

I\'m currently working on a cross-platform task scheduler, but I\'m having a problem with sem_wait spinning while waiting for the semaphore. On Windows, I\'m using WaitForSingleObject, which yields th[详细]

2023-02-23 02:13 分类：问答
.NET SpinLock not releasing Thread.BeginCriticalSection

Using .NET reflector, I find that the SpinLock structure has a lot of cases where it calls Thread.BeginCriticalRegion and doesn\'t call Thread.EndCriticalRegion.[详细]

2023-02-22 15:50 分类：问答
Are the Linux/SMP spinlocks unnecessarily slow?

Having been reading through Understanding the Linu开发者_如何学Gox kernel (Bovet & Cesati), the chapter on Kernel Synchronisation states that the spin lock acquisition code boils down to:[详细]

2023-02-05 16:47 分类：问答
mutex vs. spin lock when thread count = hardware parallelism

consider a program with optimal thread count running on dedicated server, so if one thread is locked there\'re no others (almost) waiting for 开发者_Python百科CPU time. does spin lock provide better p[详细]

2023-02-05 05:23 分类：问答
Avoiding sleep while holding a spinlock

I\'ve recently read section 5.5.2 (Spinlocks and Atomic Context) of LDDv3 book: Avoiding sleep while holding a lock can be more difficult; many kernel functions can sleep, and this behavior is not a[详细]

2023-01-15 17:23 分类：问答
CMU: Semaphores

Check My Understanding of semaphores, please! I understand the idea behind counting semaphores and bina开发者_运维问答ry semaphores. However the difference between a spinlock and semaphore implement[详细]

2023-01-14 18:46 分类：问答