PR_CAP_AMBIENT_RAISE(2const) PR_CAP_AMBIENT_RAISE(2const)
NAME
PR_CAP_AMBIENT_RAISE - add to the ambient capability set of the calling
thread
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <linux/prctl.h> /* Definition of PR_* constants */
#include <sys/prctl.h>
int prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, long cap, 0L, 0L);
DESCRIPTION
The capability specified in cap is added to the ambient capability set.
The specified capability must already be present in both the permitted
and the inheritable sets of the process. This operation is not permit-
ted if the SECBIT_NO_CAP_AMBIENT_RAISE securebit is set.
RETURN VALUE
On success, 0 is returned. On error, -1 is returned, and errno is set
to indicate the error.
ERRORS
EINVAL cap does not specify a valid capability.
EPERM either the capability specified in cap is not present in the
process's permitted and inheritable capability sets, or the
PR_CAP_AMBIENT_LOWER securebit has been set.
VERSIONS
See PR_CAP_AMBIENT(2const).
STANDARDS
Linux.
HISTORY
Linux 4.3.
SEE ALSO
prctl(2), PR_CAP_AMBIENT(2const), libcap(3)
Linux man-pages 6.9.1 2024-06-01 PR_CAP_AMBIENT_RAISE(2const)
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