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Title:	SIG30-C. Call only asynchronous-safe functions within signal handlers
Author:	Justin Pincar	May 22, 2007
Last Changed by:	David Svoboda	May 05, 2025
Tiny Link: (useful for email)	https://wiki.sei.cmu.edu/confluence/x/MtYxBQ
Export As:	Word · PDF

SEI CERT C Coding Standard (6)     Page: MSC22-C. Use the setjmp(), longjmp() facility securely     Page: ENV32-C. All exit handlers must return normally     Page: SIG31-C. Do not access shared objects in signal handlers     Page: ERR32-C. Do not rely on indeterminate values of errno     Page: CC. Undefined Behavior     Page: SIG02-C. Avoid using signals to implement normal functionality

Android (1)     Page: Applicable in Principle to Android (C Rules/Recomendations)

SEI CERT C++ Coding Standard (1)     Page: MSC54-CPP. A signal handler must be a plain old function

Parent Page     Page: Rule 11. Signals (SIG)

• asynchronous
• not-for-cpp
• review-dms
• compass/rose
• review
• ptc
• review-rcs
• rose-partial
• rule
• review-ajb
• sig

Time	Editor
May 05, 2025 09:13	David Svoboda	View Changes
REM Cost Reform
Apr 14, 2025 13:24	David Svoboda	View Changes
Apr 14, 2025 13:22	David Svoboda	View Changes
Mar 05, 2025 07:09	Jill Britton	View Changes
Dec 12, 2024 01:33	Swasti Shrivastava

External Links (12)
    https://www.kb.cert.org/vulnotes/bymetric?searchview&query=…
    https://wiki.sei.cmu.edu/confluence/display/c/AA.+Bibliogra…
    seclists.org/bugtraq/1997/Jan/0011.html
    https://www.mathworks.com/help/bugfinder/ref/certcrulesig30…
    https://wiki.sei.cmu.edu/confluence/display/c/How+this+Codi…
    https://wiki.sei.cmu.edu/confluence/display/c/Polyspace+Bug…
    www.openbsd.org/cgi-bin/man.cgi?query=signal
    cwe.mitre.org/data/definitions/479.html
    https://cwe.mitre.org/data/index.html
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    www.kb.cert.org/vuls/id/834865
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…

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