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V3553. AUTOSAR. The standard signal han…
Analyzer diagnostics
General Analysis (C++)
General Analysis (C#)
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Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
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V3553. AUTOSAR. The standard signal handling functions should not be used.

12 Jul 2021

This diagnostic rule is based on the software development guidelines developed by AUTOSAR (AUTomotive Open System ARchitecture).

Standard library functions of the header files <signal.h> / <csignal> may be dangerous. Their behavior depends on the implementation, and their use may cause undefined behavior.

The use of signal handlers in a multithreaded program, for example, could be one of the reasons for undefined behavior. Other reasons you will find here.

The analyzer issues this warning when it detects the following functions:

  • signal;
  • raise.

Here is an example of code triggering this warning:

#include <csignal>

void handler(int sig) { .... }

void foo()
{
  signal(SIGINT, handler);
}

This diagnostic is classified as:

  • AUTOSAR-M18.7.1
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