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The new Sun Studio IDE is based on NetBeans 5. But data race situations are generally very difficult to find.
class The JVM run should be invoked to use the new SE.
"USE, INTRINSIC" statementA new qualifier "INTRINSIC" can now be added to the USEstatement to gain access to modules which are intrinsically part of thecompiler and not supplied as ordinary modules. Names are specified using the syntax shownin . This problem may lead to a data race. Reasons to Use Source Code AnnotationsThere are several reasons to use source code annotations.
The new features are documented in articles andtutorials that are linked from the README file. "USE, INTRINSIC" statementA new qualifier "INTRINSIC" can now be added to the USEstatement to gain access to modules which are intrinsically part of thecompiler and not supplied as ordinary modules. The User Representation The User Representation shows compiled and interpreted Javamethods by name, and shows native methods in their natural form.
It tells LockLint that a hierarchical relationship existsbetween a readers-writer lock and a set of other locks.
sh,find the nodemanager. Most programmers report that they find source code annotationspreferable to command-line subcommands. This problem may lead to a deadlock.
The Annotations SchemeLockLint shares the source code annotations scheme with severalother tools.
A Java program is inherently multithreaded, and has one JVM threadfor each thread in the user's Java program.
Using a readers-writer lock to cover another lock in this way issimply a convention; there is no special lock type.
All functionsfrom the JVM will be shown as such.
If you use a suffix rule, you will need to define .
But thereal cause of the these two data race conditions is the bad codingstyle at line 45 and line 18. jar file and libcollectorAPI. This kind of checking and update pattern is quite common in parallelprogramming, but it causes a data race condition in nature.
TABLE 5 SpecifyingNames With LockLint NOTEs Syntax Meaning Var Named variable Var. Some of the data race conditions discussed in this article were taken from real problems encountered in DRDT testing.
Unknown side effects canlead to data races or deadlocks. Then restore that state using refreshor restore before adding more assertions.
Furthermore a racecondition might be the symptom of a deeper design problem in theprogram code. If different operationsuse a common set of resources, but the order in which they acquirethe locks is inconsistent, there is a potential for deadlock.
For programs which don't runmore than ten or fifteen minutes total, sample-marking is usuallypreferable.
You might find that your problem has already been solved.
All functionsfrom the JVM will be shown as such.
In manycases, such annotations are preferable to using a script of LockLintsubcommands.
Collecting Information for LockLint The compiler gathers the information used by LockLint. To do so, you need to ensure that the collector API is loaded intoyour application, and modify a few Swing classes to make API calls atkey places. Usepassing-by-data-value instead of passing-by-pointer to communicatebetween the threads and processes. Each Java thread's event callstack is shown with its Java methods.
Developers need to payattention to program states and state transitions as well asdata dependency. Run the analysis using the analyze -v subcommandand repeat the above step.