HP-UX Reference (11i v1 05/09) - 2 System Calls (vol 5)
g
gettune(2) gettune(2)
NAME
gettune - get the value of a kernel tunable parameter
SYNOPSIS
#include <sys/types.h>
int gettune(const char *tunable,
uint64_t *value);
DESCRIPTION
This function retrieves the current value of the kernel tunable parameter named tunable. The value is
passed back through the supplied value pointer. The value returned is the value for the tunable that is
being used by the currently running kernel.
RETURN VALUE
This function returns zero for success, or -1 for an error.
ERRORS
If this function returns -1 to indicate an error, the global variable
errno will be set to one of the following
values, to indicate the error that occurred:
[ENOENT] The specified tunable parameter does not exist.
[EIO] The Kernel Registry Service was unavailable or encountered an error.
[EFAULT] tunable or value specifies an address that is inaccessible.
AUTHOR
gettune() was developed by Hewlett-Packard Company.
SEE ALSO
settune(2), tuneinfo(2).
Section 2−−124 Hewlett-Packard Company − 1 − HP-UX 11i Version 1: September 2005