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System Calls pset_bind(2)
NAME
pset_bind - bind LWPs to a set of processors
SYNOPSIS
#include <sys/pset.h>
int pset_bind(psetid_t pset, idtype_t idtype, id_t id,
psetid_t *opset);
DESCRIPTION
The pset_bind() function binds the LWP or set of LWPs speci-
fied by idtype and id to the processor set specified by
pset. If opset is not NULL, pset_bind() sets the psetid_t
variable pointed to by opset to the previous processor set
binding of one of the specified LWP, or to PS_NONE if the
selected LWP was not bound.
If idtype is P_PID, the binding affects all LWPs of the pro-
cess with process ID (PID) id.
If idtype is P_LWPID, the binding affects the LWP of the
current process with LWP ID id.
If idtype is P_TASKID, the binding affects all LWPs of all
processes with task ID id.
If idtype is P_PROJID, the binding affects all LWPs of all
processes with project ID id.
If idtype is P_ZONEID, the binding affects all LWPs of all
processes with zone ID id.
If idtype is P_CTID, the binding affects all LWPs of all
processes with process contract ID id.
If id is P_MYID, the specified LWP, process, task, process,
zone, or process contract is the current one.
If pset is PS_NONE, the processor set bindings of the speci-
fied LWPs are cleared.
If pset is PS_QUERY, the processor set bindings are not
changed.
If pset is PS_MYID, the specified LWPs are bound to the same
processor set as the caller. If the caller is not bound to a
processor set, the processor set bindings are cleared.
The {PRIV_SYS_RES_CONFIG} privilege must be asserted in the
effective set of the calling process or pset must be
PS_QUERY.
SunOS 5.10 Last change: 19 Jul 2004 1
System Calls pset_bind(2)
LWPs that have been bound to a processor with
processor_bind(2) may also be bound to a processor set if
the processor is part of the processor set. If this occurs,
the binding to the processor remains in effect. If the pro-
cessor binding is later removed, the processor set binding
becomes effective.
Processor set bindings are inherited across fork(2) and
exec(2).
RETURN VALUES
Upon successful completion, 0 is returned. Otherwise, -1 is
returned and errno is set to indicate the error.
ERRORS
The pset_bind() function will fail if:
EBUSY One of the LWPs is bound to a processor, and
the specified processor set does not include
that processor.
EFAULT The location pointed to by opset was not
NULL and not writable by the user.
EINVAL An invalid processor set ID was specified;
or idtype was not P_PID, P_LWPID, P_PROJID,
P_TASKID, P_ZONEID, or P_CTID.
ENOTSUP The pools facility is active. See
pooladm(1M) and pool_set_status(3POOL) for
information about enabling and disabling the
pools facility. Processes can be bound to
pools using the poolbind(1M) utility or the
pool_set_binding(3POOL) function.
EPERM The {PRIV_PROC_OWNER} is not asserted in the
effecive set of the calling process and
either the real or effective user ID of the
calling process does not match the real or
effective user ID of one of the LWPs being
bound, or the processor set from which one
or more of the LWPs are being unbound has
the PSET_NOESCAPE attribute set and
{PRIV_SYS_RES_CONFIG) is not asserted in the
SunOS 5.10 Last change: 19 Jul 2004 2
System Calls pset_bind(2)
effective set of the calling process. See
pset_setattr(2) for more information about
processor set attributes.
ESRCH No processes, LWPs, or tasks were found to
match the criteria specified by idtype and
id.
ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Interface Stability | Stable |
|_____________________________|_____________________________|
| MT-Level | Async-Signal-Safe |
|_____________________________|_____________________________|
SEE ALSO
pbind(1M), pooladm(1M), poolbind(1M), psrset(1M), exec(2),
fork(2), processor_bind(2), pset_create(2), pset_info(2),
pset_setattr(2), pool_set_binding(3POOL),
pool_set_status(3POOL), pset_getloadavg(3C), process(4),
project(4), attributes(5), privileges(5)
SunOS 5.10 Last change: 19 Jul 2004 3
Man(1) output converted with
man2html and wrapped by fishsponge
This page was generated on Wed Sep 12 11:27:05 GMT 2007
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