int proctrack_p_plugin_get_pids(uint64_t cont_id, pid_t **pids, int *npids)
{
int pidcnt, bufsize;
pid_t *p;
pidcnt = job_getpidcnt((jid_t)cont_id);
if (pidcnt > 0) {
/*
* FIXME - The "+ 128" is a rough attempt to allow for
* the fact that _job_getpidcnt() followed by _job_get_pidlist
* is not atomic.
*/
bufsize = sizeof(pid_t) * (pidcnt + 128);
p = (pid_t *)xmalloc(bufsize);
pidcnt = job_getpidlist((jid_t)cont_id, p, bufsize);
if (pidcnt == -1) {
error("job_getpidlist() failed: %m");
*pids = NULL;
*npids = 0;
xfree(p);
return SLURM_ERROR;
}
*pids = p;
*npids = pidcnt;
} else {
*pids = NULL;
*npids = 0;
}
return SLURM_SUCCESS;
}
int proctrack_p_get_pids(uint64_t cont_id, pid_t **pids, int *npids)
{
int pidcnt, bufsize;
pid_t *p;
DEF_TIMERS;
START_TIMER;
pidcnt = job_getpidcnt((jid_t)cont_id);
if (pidcnt > 0) {
/*
* FIXME - The "+ 128" is a rough attempt to allow for
* the fact that _job_getpidcnt() followed by _job_get_pidlist
* is not atomic.
*/
bufsize = sizeof(pid_t) * (pidcnt + 128);
p = (pid_t *)xmalloc(bufsize);
pidcnt = job_getpidlist((jid_t)cont_id, p, bufsize);
if (pidcnt == -1) {
int rc = SLURM_SUCCESS;
/* There is a possiblity for a race condition
where if the last task in the job exits
between job_getpidcnt and job_getpidlist.
That is ok, so just return SUCCESS;
*/
if (errno != ENODATA) {
rc = SLURM_ERROR;
error("job_getpidlist() failed: %m");
}
*pids = NULL;
*npids = 0;
xfree(p);
return rc;
}
*pids = p;
*npids = pidcnt;
} else {
*pids = NULL;
*npids = 0;
}
END_TIMER;
if (debug_flags & DEBUG_FLAG_TIME_CRAY)
INFO_LINE("call took: %s", TIME_STR);
return SLURM_SUCCESS;
}
