Page Information

Title:	POS52-C. Do not perform operations that can block while holding a POSIX lock
Author:	Eric Wong	May 30, 2012
Last Changed by:	Joerg Herter	Oct 31, 2025
Tiny Link: (useful for email)	https://wiki.sei.cmu.edu/confluence/x/mdUxBQ
Export As:	Word · PDF

Android (1)     Page: Unknown Applicability (C Rules/Recomendations)

Parent Page     Page: Rule 50. POSIX (POS)

• android-unknown
• rule
• pos

Time	Editor
Oct 31, 2025 04:29	Joerg Herter	View Changes
Aug 31, 2025 05:21	Francesco Mariani	View Changes
May 05, 2025 09:56	David Svoboda	View Changes
REM Cost Reform
May 01, 2025 12:54	Joseph C. Sible	View Changes
wrong flag - O_NONBLOCK is for fcntl; MSG_DONTWAIT is for recv
Apr 20, 2023 05:42	Jill Britton

External Links (13)
    https://wiki.sei.cmu.edu/confluence/display/java/LCK09-J.+D…
    cwe.mitre.org/
    www.opengroup.org/onlinepubs/009695399/functions/recv.html
    www.opengroup.org/onlinepubs/009695399/functions/pthread_ca…
    https://wiki.sei.cmu.edu/confluence/display/java/SEI+CERT+O…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://www.mathworks.com/help/bugfinder/ref/certcrulepos52…
    https://wiki.sei.cmu.edu/confluence/display/c/How+this+Codi…
    https://cwe.mitre.org/data/index.html557.html
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://computing.llnl.gov/tutorials/pthreads/

SEI CERT C Coding Standard (18)     Page: Astrée_V     Home page: SEI CERT C Coding Standard     Page: CON35-C. Avoid deadlock by locking in a predefined order     Page: Klocwork_V     Page: Astrée     Page: CON05-C. Do not perform operations that can block while holding a lock     Page: Klocwork     Page: CodeSonar_V     Page: Parasoft     Page: Helix QAC_V     Page: Helix QAC     Page: CodeSonar     Page: Security Reviewer - Static Reviewer     Page: Security Reviewer - Static Reviewer_V     Page: Polyspace Bug Finder     Page: AA. Bibliography     Page: Polyspace Bug Finder_V     Page: Parasoft_V