Boolean Process::loadProcessInfo (int &pIndex)
{
int status;
unsigned long maxprocount;
__int64 qpid;
char handle[100];
unsigned long jpictx2; /* The context for JPI calls */
item_list itmlst3[MAXITMLST];
int procCount;
Boolean stat;
/* If this is the first process request. Rebuild proc_table */
if (pIndex == 0)
{
/* Lock the mutex on proc_table */
pthread_mutex_lock(&proc_table_mutex);
/* Free the old proc_table */
if (proc_table != NULL)
{
free(proc_table);
proc_table = NULL;
proc_table_count = 0;
}
/* Find the maximum process that could run on the system */
if ((maxprocount = getmaxprocount ()) == 0)
{
/* Un lock the mutex on proc_table */
pthread_mutex_unlock(&proc_table_mutex);
/* Return false */
return false;
}
/* Allocate memory to proc_table */
proc_table =
(proc_info_t) calloc (maxprocount + 1, sizeof (struct proc_info));
/* Error in allocating Memory. return false */
if (NULL == proc_table)
{
/* Un lock the mutex on proc_table */
pthread_mutex_unlock(&proc_table_mutex);
return false;
}
jpictx2 = 0;
procCount = 0;
itmlst3[0].wlength = 0;
itmlst3[0].wcode = PSCAN$_MODE;
itmlst3[0].pbuffer = (void *) JPI$K_OTHER;
itmlst3[0].pretlen = NULL;
itmlst3[1].wlength = 0;
itmlst3[1].wcode = 0;
itmlst3[1].pbuffer = NULL;
itmlst3[1].pretlen = NULL;
status = sys$process_scan (&jpictx2, itmlst3);
if (!$VMS_STATUS_SUCCESS (status))
{
/* Free the proc_table */
free (proc_table);
proc_table = NULL;
proc_table_count = 0;
/* Un lock the mutex on proc_table */
pthread_mutex_unlock(&proc_table_mutex);
/* Return failure */
return false;
}
stat = buildProcessTable(jpictx2, procCount, itmlst3, proc_table);
proc_table_count += procCount;
jpictx2 = 0;
procCount = 0;
itmlst3[0].wlength = 0;
itmlst3[0].wcode = PSCAN$_MODE;
itmlst3[0].pbuffer = (void *) JPI$K_BATCH;
itmlst3[0].pretlen = NULL;
itmlst3[1].wlength = 0;
itmlst3[1].wcode = 0;
itmlst3[1].pbuffer = NULL;
itmlst3[1].pretlen = NULL;
status = sys$process_scan (&jpictx2, itmlst3);
if (!$VMS_STATUS_SUCCESS (status))
{
/* Free the proc_table */
free (proc_table);
proc_table = NULL;
proc_table_count = 0;
/* Un lock the mutex on proc_table */
pthread_mutex_unlock(&proc_table_mutex);
/* Return failure */
return false;
}
stat = buildProcessTable(jpictx2, procCount, itmlst3,
&proc_table[proc_table_count]);
proc_table_count += procCount;
jpictx2 = 0;
procCount = 0;
itmlst3[0].wlength = 0;
itmlst3[0].wcode = PSCAN$_MODE;
itmlst3[0].pbuffer = (void *) JPI$K_NETWORK;
itmlst3[0].pretlen = NULL;
itmlst3[1].wlength = 0;
itmlst3[1].wcode = 0;
itmlst3[1].pbuffer = NULL;
itmlst3[1].pretlen = NULL;
status = sys$process_scan (&jpictx2, itmlst3);
if (!$VMS_STATUS_SUCCESS (status))
{
/* Free the proc_table */
free (proc_table);
proc_table = NULL;
proc_table_count = 0;
/* Un lock the mutex on proc_table */
pthread_mutex_unlock(&proc_table_mutex);
/* Return failure */
return false;
}
stat = buildProcessTable(jpictx2, procCount, itmlst3,
&proc_table[proc_table_count]);
proc_table_count += procCount;
jpictx2 = 0;
itmlst3[0].wlength = 0;
itmlst3[0].wcode = PSCAN$_MODE;
itmlst3[0].pbuffer = (void *) JPI$K_INTERACTIVE;
itmlst3[0].pretlen = NULL;
itmlst3[1].wlength = 0;
itmlst3[1].wcode = 0;
itmlst3[1].pbuffer = NULL;
itmlst3[1].pretlen = NULL;
status = sys$process_scan (&jpictx2, itmlst3);
if (!$VMS_STATUS_SUCCESS (status))
{
/* Free the proc_table */
free (proc_table);
proc_table = NULL;
proc_table_count = 0;
/* Un lock the mutex on proc_table */
pthread_mutex_unlock(&proc_table_mutex);
/* Return failure */
return false;
}
stat = buildProcessTable(jpictx2, procCount, itmlst3,
&proc_table[proc_table_count]);
proc_table_count += procCount;
/* Un lock the mutex on proc_table */
pthread_mutex_unlock(&proc_table_mutex);
} /* End if (pIndex == 0), rebuild of proc_table */
return getProcessInfo(pIndex);
}
Boolean Process::loadProcessInfo (int &pIndex)
{
int status;
unsigned long maxprocount;
__int64 qpid;
char handle[100];
Boolean stat;
if ((maxprocount = getmaxprocount ()) == 0)
{
return false;
}
if (pIndex == 0)
{
if (proc_table != NULL)
{
free (proc_table);
}
proc_table = (proc_info_t) calloc (maxprocount + 1, sizeof (struct proc_info));
pInfo = pData = proc_table;
jpictx2 = 0;
procCount = 0;
ii = 1;
itmlst3[0].wlength = 0;
itmlst3[0].wcode = PSCAN$_MODE;
itmlst3[0].pbuffer = (void *) JPI$K_OTHER;
itmlst3[0].pretlen = NULL;
itmlst3[1].wlength = 0;
itmlst3[1].wcode = 0;
itmlst3[1].pbuffer = NULL;
itmlst3[1].pretlen = NULL;
status = sys$process_scan (&jpictx2, itmlst3);
if (!$VMS_STATUS_SUCCESS (status))
{
return status;
}
stat = buildProcessTable();
jpictx2 = 0;
itmlst3[0].wlength = 0;
itmlst3[0].wcode = PSCAN$_MODE;
itmlst3[0].pbuffer = (void *) JPI$K_BATCH;
itmlst3[0].pretlen = NULL;
itmlst3[1].wlength = 0;
itmlst3[1].wcode = 0;
itmlst3[1].pbuffer = NULL;
itmlst3[1].pretlen = NULL;
status = sys$process_scan (&jpictx2, itmlst3);
if (!$VMS_STATUS_SUCCESS (status))
{
return status;
}
stat = buildProcessTable();
jpictx2 = 0;
itmlst3[0].wlength = 0;
itmlst3[0].wcode = PSCAN$_MODE;
itmlst3[0].pbuffer = (void *) JPI$K_NETWORK;
itmlst3[0].pretlen = NULL;
itmlst3[1].wlength = 0;
itmlst3[1].wcode = 0;
itmlst3[1].pbuffer = NULL;
itmlst3[1].pretlen = NULL;
status = sys$process_scan (&jpictx2, itmlst3);
if (!$VMS_STATUS_SUCCESS (status))
{
return status;
}
stat = buildProcessTable();
jpictx2 = 0;
itmlst3[0].wlength = 0;
itmlst3[0].wcode = PSCAN$_MODE;
itmlst3[0].pbuffer = (void *) JPI$K_INTERACTIVE;
itmlst3[0].pretlen = NULL;
itmlst3[1].wlength = 0;
itmlst3[1].wcode = 0;
itmlst3[1].pbuffer = NULL;
itmlst3[1].pretlen = NULL;
status = sys$process_scan (&jpictx2, itmlst3);
if (!$VMS_STATUS_SUCCESS (status))
{
return status;
}
stat = buildProcessTable();
pInfo = pData;
}
else
{
if (ii < procCount)
{
pInfo++;
ii++;
}
else
{
return false;
}
}
if (procCount > 0)
{
return true;
}
else
{
return false;
}
}
