09-21-2008
I get it.
Thanks a lot for your help. -- Kshitij
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LEARN ABOUT OSF1
pthread_nsg_get
pthread_nsg_get(3) Library Functions Manual pthread_nsg_get(3)
NAME
pthread_nsg_get - Gets the list of threads in a NUMA Scheduling Group (libpthread library)
SYNOPSIS
#include <numa.h>
int pthread_nsg_get(
nsgid_t nsg,
pthread_t *list,
long size );
PARAMETERS
Specifies the NUMA Scheduling Group (NSG) from which to retrieve the list of threads. Specifies the address of the array of thread identi-
fiers where the list of threads will be written. Specifies the size (in number of thread identifiers) of the array where the list of
threads will be written.
DESCRIPTION
The pthread_nsg_get() returns into the buffer pointed to by list an array of nsg_thread structures containing the process ids and thread
indexes for all threads attached to the specified NSG. The list argument specifies the number of nsg_thread structures that the array must
accommodate.
To obtain the value for size, the application can first call pthread_nsg_get() with list set to null and read in the value of the
nsg_nthread member in the nsgid_ds structure that the call returns. On the second call to pthread_nsg_get(), the application uses the
nsg_nthread value for size and includes the appropriate value for list.
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 read permissions to the NSG.
RETURN VALUES
Success. Failure. In this case, the returned integer indicates the type of error. Possible errors are as follows: The calling process does
not have read permission on the NSG. The nsg argument does not specify a valid NSG identifier, or the nsg argument is not a valid address.
ERRORS
None.
SEE ALSO
Functions: nsg_attach_pid(3), nsg_get(3), numa_intro(3), pthread_nsg_attach(3)
Files: numa_types(4)
pthread_nsg_get(3)