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If an exception occurs while a mutex is locked, deadlock may result.

Rule

Severity

Likelihood

Remediation Cost

Priority

Level

CON51-CPP

Low

Probable

Low

P6

L2

Automated Detection

Tool

Version

Checker

Description

PRQA QA-
CodeSonar
Include Page
CodeSonar_V
CodeSonar_V

CONCURRENCY.LOCK.NOUNLOCK

Missing Lock Release

Helix QAC

Include Page
Helix QAC_V
Helix QAC_V

C++
Include Page
5018
Parasoft C/
PRQA QA-
C++test

Include Page
Parasoft_V

PRQA QA-C++_V5018 

Parasoft_V

CERT_CPP-CON51-aDo not call lock() directly on a mutex
Polyspace Bug Finder

Include Page
Polyspace Bug Finder_V
Polyspace Bug Finder_V

CERT C++: CON51-CPPChecks for lock possibly not released on exception (rule fully covered)

Related Vulnerabilities

Search for vulnerabilities resulting from the violation of this rule on the CERT website.

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This rule is a subset of ERR56-CPP. Guarantee exception safety.

Bibliography

[ISO/IEC 14882-2014]Subclause 30.4.2, "Locks"

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