nsg_set(3) Library Functions Manual nsg_set(3)
NAME
nsg_set - Set NUMA Scheduling Group owner and permissions (libnuma library)
SYNOPSIS
#include <numa.h>
int nsg_set(
nsgid_t nsg,
nsgid_ds_t *attrib );
PARAMETERS
Specifies the NUMA Scheduling Group (NSG). Points to a structure containing owner and permission attributes.
DESCRIPTION
The nsg_set() function sets the NSG owner IDs (user ID and group ID) and permissions (mode) by using the nsgid_ds structure pointed to by
attrib.
RESTRICTIONS
The effective user ID of the calling process must be equal to the value of nsg_perm.cuid or nsg_perm.uid in the associated nsgid_ds struc-
ture, or the calling process must have write permissions to the NSG.
RETURN VALUES
Success. In this case, nsg_set() set the NSG owner IDs and permissions as specified. Failure. In this case, errno is set to indicate the
error.
ERRORS
If the nsg_set() function fails, it sets errno to one of the following values for the specified condition: The calling process does not
have write permission. The attrib argument specifies an invalid address. The nsg argument does not specify a valid NSG ID.
SEE ALSO
Functions: nsg_attach_pid(3), nsg_init(3), numa_intro(3)
Files: numa_types(4)
nsg_set(3)
