PR_GET_TSC2const
Get wether the timestamp counter can be read
Usage
#include <linux/prctl.h> /* Definition of PR_* constants */ #include <sys/prctl.h>
int prctl(PR_GET_TSC, int *flag);
Library
Standard C library (libc, -lc)
Overview
Return the state of the flag determining whether the timestamp counter can be read, in the location pointed to by flag.
Return value
On success, 0 is returned. On error, -1 is returned, and errno is set to indicate the error.
Errors
- EFAULT
-
flag is an invalid address.
Releases
2 releases since Debian 13 (Trixie); the text changed 1 time.