2. EL 6 ELS
  3. systemtap-client
  4. function::user_string2_warn(3stap)

Scroll to navigation

FUNCTION::USER_STRIN(3stap) String and data retrieving fun FUNCTION::USER_STRIN(3stap)

NAME

function::user_string2_warn - Retrieves string from user space with alternative warning string

SYNOPSIS



    user_string2_warn:string(addr:long,warn_msg:string)

ARGUMENTS

addr

the user space address to retrieve the string from

warn_msg

the warning message to return when data isn´t available

DESCRIPTION

Returns the null terminated C string from a given user space memory address. Reports the given warning message on the rare cases when userspace data is not accessible and warns (but does not abort) about the failure.

SEE ALSO0

tapset::uconversions(3stap)

June 2018 SystemTap Tapset Reference