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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | STANDARDS | HISTORY | SEE ALSO | COLOPHON |
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PR_GET_TSC(2const) PR_GET_TSC(2const)
PR_GET_TSC - get wether the timestamp counter can be read
Standard C library (libc, -lc)
#include <linux/prctl.h> /* Definition of PR_* constants */
#include <sys/prctl.h>
int prctl(PR_GET_TSC, int *flag);
Return the state of the flag determining whether the timestamp
counter can be read, in the location pointed to by flag.
On success, 0 is returned. On error, -1 is returned, and errno
is set to indicate the error.
EFAULT arg2 is an invalid address.
Linux. x86 only.
Linux 2.6.26 (x86).
prctl(2), PR_SET_TSC(2const)
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Linux man-pages 6.9.1 2024-06-02 PR_GET_TSC(2const)
Pages that refer to this page: prctl(2), PR_SET_TSC(2const)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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