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Similarly, Section 7.14.1 paragraph 5 of C99 \[[ISO/IEC 9899-:1999|AA. C References#ISO/IEC 9899-1999]\] states that if the signal occurs other than as the result of calling the {{abort}} or {{raise}} function, the behavior is [undefined|BB. Definitions#undefined behavior] if: |
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Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
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SIG30-C | high | likely | high | P9 | L2 |
Automated Detection
The tool Compass Rose /ROSE can detect violations of the rule for single-file programs.
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\[[Dowd 06|AA. C References#Dowd 06]\] Chapter 13, "Synchronization and State" \[[ISO/IEC 03|AA. C References#ISO/IEC 03]\] Section 5.2.3, "Signals and interrupts" \[[ISO/IEC 9899-:1999|AA. C References#ISO/IEC 9899-1999]\] Section 7.14, "Signal handling <signal.h>" \[[Open Group 04|AA. C References#Open Group 04]\] [longjmp|http://www.opengroup.org/onlinepubs/000095399/functions/longjmp.html] \[[OpenBSD|AA. C References#OpenBSD]\] [{{signal()}} Man Page|http://www.openbsd.org/cgi-bin/man.cgi?query=signal] \[[Zalewski 01|AA. C References#Zalewski 01]\] |
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