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CodeSonar® 9.2p0 CONFIDENTIAL CodeSecure Inc
C and C++


LANG.PREPROC.INCL.SIGNAL_H : Use of <signal.h>

Summary

The code includes standard header file <signal.h> with #include or #include_next.

Properties

Class Name Use of <signal.h>
Significance style
Mnemonic LANG.PREPROC.INCL.SIGNAL_H
Categories
MisraC2025 MisraC2025:21.5 The standard header file <signal.h> shall not be used
MisraC2023 MisraC2023:21.5 The standard header file <signal.h> shall not be used
Misra2012 Misra2012:21.5 The standard header file <signal.h> shall not be used
Misra2004 Misra2004:20.8 The signal handling facilities of <signal.h> shall not be used
AUTOSARC++14 AUTOSARC++14:A1-1-1 All code shall conform to ISO/IEC 14882:2014 - Programming Language C++ and shall not use deprecated features.
  AUTOSARC++14:A18-0-1 The C library facilities shall only be accessed through C++ library headers.
MisraC++2008 MisraC++2008:18-0-1 The C library shall not be used.
MisraC++2023 MisraC++2023:4.1.2 Deprecated features should not be used
CWE CWE:676 Use of Potentially Dangerous Function
  CWE:758 Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
JSF++ JSF++:21 The signal handling facilities of <signal.h> shall not be used.
OWASP-2021 OWASP-2021:A4 Insecure design
OWASP-2025 OWASP-2025:A06 Insecure Design
Availability Available for C and C++.
Enabling Checks for this warning class are disabled by default. To enable them, add the following WARNING_FILTER rule to the project configuration file.
WARNING_FILTER += allow class="Use of <signal.h>"

Example

/* 'Use of <signal.h>' warning issued on following line */
#include <signal.h>

/* including with "" is ok: no warning */
#include "signal.h"

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

 

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