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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | STANDARDS | HISTORY | SEE ALSO | COLOPHON |
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PR_SET_KEEPCAPS(2const) PR_SET_KEEPCAPS(2const)
PR_SET_KEEPCAPS - set the state of the "keep capabilities" flag
Standard C library (libc, -lc)
#include <linux/prctl.h> /* Definition of PR_* constants */
#include <sys/prctl.h>
int prctl(PR_SET_KEEPCAPS, long state);
Set the state of the calling thread's "keep capabilities" flag.
The effect of this flag is described in capabilities(7). state
must be either 0L (clear the flag) or 1L (set the flag). The
"keep capabilities" value will be reset to 0 on subsequent calls
to execve(2).
On success, 0 is returned. On error, -1 is returned, and errno
is set to indicate the error.
EINVAL state is not a valid value.
EPERM The caller's SECBIT_KEEP_CAPS_LOCKED flag is set (see
capabilities(7)).
Linux.
Linux 2.2.18.
prctl(2), PR_GET_KEEPCAPS(2const)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
This page was obtained from the tarball man-pages-6.9.1.tar.gz
fetched from
⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
2024-06-26. If you discover any rendering problems in this HTML
version of the page, or you believe there is a better or more up-
to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not
part of the original manual page), send a mail to
[email protected]
Linux man-pages 6.9.1 2024-06-02 PR_SET_KEEPCAPS(2const)
Pages that refer to this page: prctl(2), PR_GET_KEEPCAPS(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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