Provides atomic operations for variables that are shared by multiple threads.
Provides atomic operations for variables that are shared by multiple threads.
Questions tagged [interlocked]
233 questions
0
votes
1 answer
Atomic Interlocked.Add taking async func as parameter
I have a case where i have to implement an addition atomically and just to save a statement - i did the below
int result = Interlocked.Add(ref int source, await ComputeAsync(object someObj);
public async Task ComputeAsync(object someObj)
{
…
Adi
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- 4
0
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0 answers
Is Interlock.Add + Cast faster than single lock?
I'm looking for the better way to do Interlocked.Add(ref double, double).
First Way, with Interlocked.Add(ref long, long) and some casting
On a parallel loop:
Interlocked.Add(ref ltotalUpSeconds, (long) (av.totalUpSeconds * 1000));
Then outside…
Pablo Honey
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0
votes
1 answer
Why this code works and not crashing
I was learning about volatile , interlock and lock in C#, Wrote below code to print odd and even numbers without using any of these synchronization construct, I ran this code several times and always gives proper answer,
using System;
using…
Sandeep
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0
votes
1 answer
Implementing of server in C winapi
i'm new to multi-threads and want to design server
this is my current code :
typedef struct Session
{
HANDLE handlers[2];
//HANDLE h_Send;
//main session handler
HANDLE h_MainHandler;
HANDLE sema_MessageQ;
char* UserName;
…
LordTitiKaka
- 2,087
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0
votes
1 answer
thread-safe variables comaprison C VS2010
threaded programming
I want to write simple multi-thread app.
where each thread when it open I increment (using InterlockedIncrement) member by one ,
and decrements it (using InterlockedDecrement) when thread finishes
I know about…
LordTitiKaka
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0
votes
3 answers
c# lock not working as expected
This class uses lock and Interlocked.
Both increaseCount.with_lock.Run(); and increaseCount.with_interlock.Run(); prints between 96-100.
I am expecting both of them to print always 100. What did I make mistake?
public static class increaseCount {
…
mustafa öztürk
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0
votes
3 answers
Replacing a lock with an interlocked operation
Is there anyway of replacing this code using the Interlocked.Exchange API?
if (IsWorking == false)
{
lock (this)
{
if (IsWorking == false)
{
IsWorking = true;
}
}
}
crazy novice
- 1,757
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0
votes
0 answers
AtomicXXX.get() equivalent
In Java, AtomicInteger and AtomicLong seem to implement the same functionality as .NET's Interlocked. Additionally, they provide a get() method to read the most current value (which may differ from that stored in the CPU cache):
private volatile…
Bass
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0
votes
2 answers
Is using Interlocked in C# get and set thread safe?
Is it possible to get a thread safe property by using Interlocked in the property accessors?
Example:
public class A()
{
private static long count;
public static long Count
{
get
{
return…
Ben Steeves
- 130
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0
votes
1 answer
Interlocked functions in Haxe
I am new to Haxe.
When I try to convert the following line from C# to Haxe using CS2HX:
Interlocked.Increment(ref this.fieldName);
I get error from CS2HX:
ref/out cannot reference fields, only local variables
Now this makes me wonder - are…
Roland Pihlakas
- 4,246
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- 64
0
votes
1 answer
InterlockedOr8 on gcc MinGW
I had no problems with the shipped version of MinGW that comes with CodeBlocks 12.11. But now I tried to compile SyncSys. Compiling enet was no problem but compiling SyncSys itself with gcc/MinGW brings the errors, that I can't use the function…
Joshua Behrens
- 818
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0
votes
1 answer
Architecture-generic InterlockedIncrement for 32/64-bit
What is the best way to use the C++ InterlockedIncrement functionality generic to both 32-bit and 64-bit architectures? (There are separated functions)
Is there a better way than using the #if _W64 preprocessor command?
Reflection
- 1,936
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0
votes
4 answers
Lockless Deque in Win32 C++
I'm pretty new to lockless data structures, so for an exercise I wrote (What I hope functions as) a bounded lockless deque (No resizing yet, just want to get the base cases working). I'd just like to have some confirmation from people who know what…
Reggie
- 73
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0
votes
3 answers
Threading and un-safe variables
I have code listed here: Threading and Sockets.
The answer to that question was to modify isListening with volatile. As I remarked, that modifier allowed me to access the variable from another thread. After reading MSDN, I realized that I was…
IAbstract
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0
votes
1 answer
C++ short enum problems with InterlockedCompareExchange16 (with VS2012)
Having referenced this question: Can an enum class be converted to the underlying type?.
In my code I have effectively:
enum class STATE : short
{
EMPTY,
PRESENT,
PARTIAL,
};
volatile STATE state;
Then I write a typedef and a…
Coder_Dan
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