function::assert(3stap) — Linux manual page

FUNCTION::ASSERT(3stap)       Logging Tapset      FUNCTION::ASSERT(3stap)

NAME         top

       function::assert - evaluate assertion

SYNOPSIS         top

       1) assert(expression:long)

       2) assert(expression:long,msg:string)

ARGUMENTS         top

       expression
           The expression to evaluate

       msg
           The formatted message string

DESCRIPTION         top

       1) This function checks the expression and aborts the current
       running probe if expression evaluates to zero. Useserror and may
       be caught by try{} catch{}. A default message will be displayed.

       2) This function checks the expression and aborts the current
       running probe if expression evaluates to zero. Useserror and may
       be caught by try{} catch{}. The specified message will be
       displayed.

SEE ALSO         top

       tapset::logging(3stap)

COLOPHON         top

       This page is part of the systemtap (a tracing and live-system
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SystemTap Tapset Reference      April 2025        FUNCTION::ASSERT(3stap)

Pages that refer to this page: tapset::logging(3stap)

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