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

NAME

function::assert - evaluate assertion

SYNOPSIS

1) assert(expression:long)


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

ARGUMENTS

expression
The expression to evaluate

msg

The formatted message string

DESCRIPTION

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 ALSO0

tapset::logging(3stap)
October 2018 SystemTap Tapset Reference