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Blocking or lengthy operations performed within synchronized regions could result in a deadlocked or unresponsive system.
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
LCK09-J | Low | Probable | High | P2 | L3 |
Automated Detection
Some static analysis tools are capable of detecting violations of this rule.
| Tool | Version | Checker | Description |
|---|---|---|---|
| CodeSonar |
| JAVA.CONCURRENCY.STARVE.BLOCKING | Blocking in Critical Section (Java) | |||||||
| Parasoft Jtest |
| CERT.LCK09.TSHL CERT.LCK09.TSHL2 | Do not use blocking methods while holding a lock Do not call ' |
| Thread.sleep() |
| ' while holding a lock |
| since doing so can cause poor performance and deadlocks | ||||||||
| PVS-Studio |
| V6095 |
| ThreadSafe |
| CCE_LK_LOCKED_BLOCKING_CALLS | Implemented | ||||||
| SonarQube |
|
|
| S2276 | Implemented |
Related Guidelines
Bibliography
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