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Questions tagged volatile

47 questions

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13
votes
3
answers

Example of C++ "Memory barrier"

c++ multithreading volatile memory-barriers
asked 2013-07-27T13:07:19.667
11
votes
1
answers

loss of const volatile qualifiers

c++ templates volatile
asked 2013-07-19T14:46:50.517
28
votes
2
answers

Why am I not provided with a default copy constructor from a volatile?

c++ copy-constructor volatile
asked 2013-06-20T15:09:02.420
10
votes
2
answers

Why Double checked locking is 25% faster in Joshua Bloch Effective Java Example

java multithreading volatile
asked 2013-06-18T08:48:29.197
36
votes
5
answers

AtomicInteger and volatile

java multithreading thread-safety atomic volatile
asked 2013-01-15T13:12:21.230
15
votes
3
answers

How to safely convert/copy volatile variable?

c volatile
asked 2012-11-29T12:42:07.477
10
votes
1
answers

Why is "volatileQualifiedExpr + volatileQualifiedExpr" not necessarily UB in C but in C++?

c++ c volatile side-effects
asked 2012-10-14T10:17:29.643
18
votes
3
answers

Why doesn't C# volatile protect write-read reordering?

c# .net multithreading volatile
asked 2012-07-31T18:56:00.700
47
votes
5
answers

What is the point of making the singleton instance volatile while using double lock?

java singleton volatile thread-synchronization double-checked-locking
asked 2012-07-24T21:40:31.500
24
votes
2
answers

Should a lock variable be declared volatile?

c# .net multithreading locking volatile
asked 2012-07-17T12:58:44.327
12
votes
6
answers

Volatile in java

java concurrency volatile
asked 2012-06-04T21:00:47.383
8
votes
4
answers

Volatile Member Functions (C++)

c++ multithreading volatile
asked 2012-05-01T13:45:39.390
12
votes
1
answers

How to comprehend "The variable does not participate in invariants with other state variables when using volatile keyword"?

java concurrency volatile
asked 2012-03-26T08:04:27.203
53
votes
5
answers

why using volatile with synchronized block?

java multithreading volatile synchronized double-checked-locking
asked 2012-03-12T10:35:39.823
9
votes
2
answers

synchronized counter in clojure

multithreading clojure volatile
asked 2011-09-18T12:47:44.993
17
votes
4
answers

In Java, is it safe to change a reference to a HashMap read concurrently

java multithreading concurrency volatile
asked 2011-08-25T07:51:17.860
13
votes
5
answers

Are volatile reads and writes atomic on Windows+VisualC?

c++ visual-c++ atomic volatile memory-fences
asked 2011-08-10T07:42:51.067
36
votes
6
answers

Is volatile bool for thread control considered wrong?

c++ multithreading multicore volatile
asked 2011-08-09T11:17:52.347
53
votes
7
answers

Are mutex lock functions sufficient without volatile?

c++ multithreading mutex volatile memory-barriers
asked 2011-07-26T23:10:07.410
24
votes
9
answers

Volatile and multithreading: is the following thread-safe?

c++ multithreading volatile
asked 2011-07-06T06:17:11.160
16
votes
6
answers

The code example which can prove "volatile" declare should be used

java multithreading concurrency volatile
asked 2011-04-28T09:56:48.730
19
votes
4
answers

How can assigning a variable result in a serious performance drop while the execution order is (nearly) untouched?

java multithreading performance jvm volatile
asked 2011-04-12T17:08:16.640
32
votes
4
answers

How do I track down the cause of a StackOverflowException in .NET?

c# .net winforms volatile stack-overflow
asked 2011-02-02T21:03:36.487
132
votes
4
answers

Is volatile expensive?

java memory-management concurrency volatile
asked 2011-01-08T12:34:26.940
32
votes
5
answers

Using volatile keyword with mutable object

java concurrency volatile mutable
asked 2011-01-06T11:19:52.740
20
votes
1
answers

Performance consequence of volatile member functions

c++ multithreading volatile
asked 2010-12-13T11:54:27.970
313
votes
4
answers

Difference between volatile and synchronized in Java

java multithreading java-me synchronized volatile
asked 2010-08-19T07:34:44.607
12
votes
5
answers

volatile variables as argument to function

c pointers arguments warnings volatile
asked 2010-07-21T20:44:14.503
25
votes
5
answers

Is `volatile` required for shared memory accessed via access function?

c++ c embedded volatile
asked 2010-06-30T10:27:10.930
10
votes
2
answers

How does volatile actually work?

java concurrency volatile
asked 2010-04-22T20:58:44.370
22
votes
2
answers

Why is 'volatile' parasitic in C++?

c++ volatile
asked 2010-03-19T14:47:52.813
29
votes
2
answers

What is the purpose of a volatile member function in C++?

c++ volatile
asked 2010-03-15T02:24:13.967
93
votes
6
answers

volatile vs. mutable in C++

c++ volatile mutable
asked 2010-03-15T02:11:40.610
288
votes
9
answers

Volatile vs Static in Java

java multithreading concurrency static volatile
asked 2010-03-11T09:01:24.570
38
votes
4
answers

How to declare array elements volatile in Java?

java arrays concurrency volatile
asked 2010-02-10T10:53:33.537
10
votes
3
answers

.NET memory model, volatile variables, and test-and-set: what is guaranteed?

.net synchronization volatile memory-fences test-and-set
asked 2010-01-20T07:34:12.237
19
votes
4
answers

C# volatile array items?

c# .net multithreading arrays volatile
asked 2009-12-05T16:47:24.427
10
votes
5
answers

does presence of mutex help getting rid of volatile key word ?

c++ multithreading mutex volatile
asked 2009-10-23T21:48:10.190
27
votes
6
answers

Does Interlocked.CompareExchange use a memory barrier?

c# multithreading optimization volatile memory-model
asked 2009-10-17T08:15:28.547
15
votes
3
answers

Volatile equivalent in VB.NET

c# vb.net multithreading volatile
asked 2009-07-08T01:04:49.480
46
votes
5
answers

Are volatile variable 'reads' as fast as normal reads?

java performance multithreading volatile
asked 2009-07-07T04:08:10.747
19
votes
4
answers

why can't a local variable be volatile in C#?

c# multithreading volatile
asked 2009-06-23T12:07:26.487
10
votes
4
answers

Java seems to support volatile fields of type long, while C# does not - What are the reasons behind this?

c# java multithreading volatile
asked 2009-06-08T21:27:52.080
11
votes
6
answers

when should a member function be both const and volatile together?

c++ constants volatile
asked 2009-03-17T16:36:33.163
28
votes
7
answers

What is the difference between a static global and a static volatile variable?

c static global interrupt volatile
asked 2008-12-06T14:14:09.577
790
votes
10
answers

Volatile vs. Interlocked vs. lock

c# multithreading locking volatile interlocked
asked 2008-09-30T19:25:06.760
295
votes
19
answers

Why does volatile exist?

c++ volatile c++-faq
asked 2008-09-16T13:59:45.667