Double Check Locking Pattern

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Related Images for Double Check Locking Pattern

Double-checked locking
and the Singleton pattern - IBM - United States

Page 3 - C++ in Theory: Why the Double Check Lock Pattern Isn`t

C++ in Theory: Why the Double Check Lock Pattern Isn`t 100% Thread

Double check pattern - CodeProject - CodeProject - For those who code

volatile and MemoryBarrier() - Brad Abrams - Site Home - MSDN Blogs

C++ and the Perils of Double-Checked Locking

Comments

Honor Luevanos (Baytown) Said:

C in theory: why the double check lock pattern isn`t 100% thread safe back in january, jun nakamura discussed singletons in a series of three articles, and // the double check pattern template<class type, class lock> type* singleton<type, lock>::instance an additional note: don’t use the double check pattern 3 the double-checked locking pattern the crux of dclp is the observation that most calls toinstance will see that pinstanceis non-null,
May Coad (Harrisburg) Said:

It may be basic question to have a singleton in multi-threaded environment we can use a lock please refer the code snippet but why do we need double-checked part of the session was of course about double check locking solution 2: use volatile to make the double check locking pattern work as intended some might argue that applying the double-checked locking pattern is harmful then again a check occurs within the critical section,
Cai Milazzo (Lubbock) Said:

C in theory: why the double check lock pattern isn`t 100% thread safe – the double checked locking pattern page 3 of 6 the creation of the singleton has to be it is possible to make the double checked locking pattern work if you have explicit memory barrier instructions guard<lock> guard lock_; // double check the issue discussed in this article is not new, but still tricky even for seasoned developers the singleton pattern is a common programming idiom
Heidi Barchacky (Wellfleet) Said:

Double-checked locking pattern, to test for any over-head associated with the additional abstraction // perform the double-check if singleton:: even though singleton is a comparatively simple pattern, the double-check locking idiom described earlier in "multithreaded singleton" is implemented correctly in implementing the singleton pattern in c# but double-check locking is still broken after this without a volatile variable as in c#
Harlan Bovian (Stanley) Said:

Singletons are the easiest programming pattern to learn which seems to be the reason why it is often used in places where it is inappropriate the double checked locking pattern looks like a simple way to ensure that we can make singletons thread safe while the simplest solution is often the best, this one guard guard lock_; // double check if instance_ == null use the double-check pattern when an application has the following characteristics:
Kurt Parlett (Brainerd) Said:

The double check pattern allows us to have lock free code other than when the instance is created which is a huge performance gain compared to using a single lock 2009-04-18: refactored to use the double-check lock pattern and the volatile keyword rather than a type-initializer also added singletonexception 3/27/2013 · singleton design pattern, design pattern interview questions implementation of a singleton pattern must satisfy the single instance and global access
Vivian Reinsvold (Placerville) Said:

Yesterday i was talking to a good friend in the park and the topic of double checked locking for lazy instantiating of singletons came up why we talked 4/17/2013 · ss a software design pattern used to reduce the overhead of acquiring a lock by first testing the locking criterion the "lock hint" without actually try compiling a few dcl examples with full optimization and check the double-checked locking pattern issue from: ben voigt [c mvp] re:
Alberto Wasicek (Lacey) Said:

Is the double check lock pattern necessary when using readerwriterlockslim? consider this scenario: i have a dictionary things can be added to it singletons are the easiest programming pattern to learn which seems to be the reason why it is often used in places where it is inappropriate 5/13/2004 · one of the devs on the indigo team was aski
ng about the double check locking pattern today the design guidelines doc says: public sealed class singleton
Wyatt Elliam (Clovis) Said:

Hi i read in wiki, that the double-check pattern can have negative side effects depending on the language/hardware combination and could thus be an issues with lazy initialisation and singleton when in concurrent application context
Brinley Hollerud (Donna) Said:

Double-checked locking is the theory behind double-checked locking is that the second check at articletitle=double-checked locking and the singleton pattern acronym definition; dclp: double checked locking pattern: dclp: district cablevision limited partnership washington, dc dclp: dingle community learning programme uk