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ct_pr_status_get_param(3contract)
Contract Management Library Functions
ct_pr_status_get_param(3CONTRACT)
NAME
ct_pr_status_get_param, ct_pr_status_get_fatal, ct_pr_status_get_mem‐
bers, ct_pr_status_get_contracts, ct_pr_status_get_svc_fmri, ct_pr_sta‐
tus_get_svc_aux, ct_pr_status_get_svc_ctid, ct_pr_status_get_svc_cre‐
ator - process contract status functions
SYNOPSIS
cc [ flag... ] file... -D_LARGEFILE64_SOURCE -lcontract [ library... ]
#include <libcontract.h>
#include <sys/contract/process.h>
int ct_pr_status_get_param(ct_stathdl_t stathdl, uint_t *paramp);
int ct_pr_status_get_fatal(ct_stathdl_t stathdl, uint_t *eventsp);
int ct_pr_status_get_members(ct_stathdl_t stathdl,
pid_t **pidpp, uint_t *n);
int ct_pr_status_get_contracts(ct_stathdl_t stathdl,
ctid_t **idpp, uint_t *n);
int ct_pr_status_get_svc_fmri(ct_stathdl_t stathdl, char **fmri);
int ct_pr_status_get_svc_aux(ct_stathdl_t stathdl, char **aux);
int ct_pr_status_get_svc_ctid(ct_stathdl_t stathdl, ctid_t *ctid);
int ct_pr_status_get_svc_creator(ct_stathdl_t stathdl,
char **creator);
DESCRIPTION
These functions read process contract status information from a status
object returned by ct_status_read(3CONTRACT).
The ct_pr_status_get_param() function reads the parameter set term. The
value is a collection of bits as described in process(5).
The ct_pr_status_get_fatal() function reads the fatal event set term.
The value is a collection of bits as described in process(5).
The ct_pr_status_get_members() function obtains a list of the process
IDs of the members of the process contract. A pointer to an array of
process IDs is stored in *pidpp. The number of elements in this array
is stored in *n. These data are freed when the status object is freed
by a call to ct_status_free(3CONTRACT).
The ct_pr_status_get_contracts() function obtains a list of IDs of con‐
tracts that have been inherited by the contract. A pointer to an array
of IDs is stored in *idpp. The number of elements in this array is
stored in *n. These data are freed when the status object is freed by a
call to ct_status_free().
The ct_pr_status_get_svc_fmri(), ct_pr_status_get_svc_creator(), and
ct_pr_status_get_svc_aux() functions read, respectively, the service
FMRI, the contract's creator execname and the creator's auxiliary
field. The buffer pointed to by fmri, aux or creator, is freed by a
call to ct_status_free() and should not be modified.
The ct_pr_status_get_svc_ctid() function reads the process contract id
for which the service FMRI was first set.
RETURN VALUES
Upon successful completion, ct_pr_status_get_param(), ct_pr_sta‐
tus_get_fatal(), ct_pr_status_get_members(), ct_pr_status_get_con‐
tracts(), ct_pr_status_get_svc_fmri(), ct_pr_status_get_svc_creator(),
ct_pr_status_get_svc_aux(), and ct_pr_status_get_svc_ctid() return 0.
Otherwise, they return a non-zero error value.
ERRORS
The ct_pr_status_get_param(), ct_pr_status_get_fatal(), ct_pr_sta‐
tus_get_members(), ct_pr_status_get_contracts(), ct_pr_sta‐
tus_get_svc_fmri(), ct_pr_status_get_svc_creator(), ct_pr_sta‐
tus_get_svc_aux(), and ct_pr_status_get_svc_ctid() functions will fail
if:
EINVAL The stathdl argument is not a process contract status object.
The ct_pr_status_get_param(), ct_pr_status_get_fatal(), ct_pr_sta‐
tus_get_members(), ct_r_status_get_contracts(), ct_pr_sta‐
tus_get_svc_fmri(), ct_pr_status_get_svc_creator(), ct_pr_sta‐
tus_get_svc_aux(), and ct_pr_status_get_svc_ctid() functions will fail
if:
ENOENT The requested data were not available in the status object.
EXAMPLES
Example 1 Print members of process contract 1.
Open the status file for contract 1, read the contract's status, obtain
the list of processes, print them, and free the status object.
#include <sys/types.h>
#include <fcntl.h>
#include <libcontract.h>
#include <stdio.h>
...
int fd;
uint_t i, n;
pid_t *procs;
ct_stathdl_t st;
fd = open("/system/contract/process/1/status");
ct_status_read(fd, &st);
ct_pr_status_get_members(st, &procs, &n);
for (i = 0 ; i < n; i++)
printf("%ld\n", (long)procs[i]);
ct_status_free(stat);
close(fd);
...
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ Interface StabilityCommitted _ MT-LevelSafe
SEE ALSO
ct_status_free(3CONTRACT), ct_status_read(3CONTRACT), libcon‐
tract(3LIB), contract(5), process(5), attributes(7), lfcompile(7)
Oracle Solaris 11.4 25 Feb 2008
ct_pr_status_get_param(3CONTRACT)