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/*file .c : spawned the file Exe*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <signal.h>
#include <sys/time.h>
#include <errno.h>
#include <getopt.h>
#include <pmix.h>
#include "test.h"
#define EXE_TEST "./loop_child"
static bool verbose = false;
static void regcbfunc(pmix_status_t status, size_t ref, void *cbdata)
{
mylock_t *lock = (mylock_t *) cbdata;
DEBUG_WAKEUP_THREAD(lock);
}
static void evhandler(size_t evhdlr_registration_id, pmix_status_t status,
const pmix_proc_t *source, pmix_info_t info[], size_t ninfo,
pmix_info_t *results, size_t nresults,
pmix_event_notification_cbfunc_fn_t cbfunc, void *cbdata)
{
mylock_t *lock = NULL;
pmix_status_t jobstatus = 0;
pmix_nspace_t jobid = {0};
size_t n;
char *msg = NULL;
/* we should always have info returned to us - if not, there is
* nothing we can do */
if (NULL != info) {
for (n = 0; n < ninfo; n++) {
if (0 == strncmp(info[n].key, PMIX_JOB_TERM_STATUS, PMIX_MAX_KEYLEN)) {
jobstatus = info[n].value.data.status;
} else if (0 == strncmp(info[n].key, PMIX_EVENT_AFFECTED_PROC, PMIX_MAX_KEYLEN)) {
PMIX_LOAD_NSPACE(jobid, info[n].value.data.proc->nspace);
} else if (0 == strncmp(info[n].key, PMIX_EVENT_RETURN_OBJECT, PMIX_MAX_KEYLEN)) {
lock = (mylock_t *) info[n].value.data.ptr;
} else if (0 == strncmp(info[n].key, PMIX_EVENT_TEXT_MESSAGE, PMIX_MAX_KEYLEN)) {
msg = info[n].value.data.string;
}
}
if (verbose) {
fprintf(stdout, "JOB %s COMPLETED WITH STATUS %d MSG %s\n",
jobid, jobstatus, (NULL == msg) ? "NONE" : msg);
}
}
if (NULL != lock) {
/* save the status */
lock->status = jobstatus;
if (NULL != msg) {
lock->msg = strdup(msg);
}
/* release the lock */
DEBUG_WAKEUP_THREAD(lock);
}
/* we _always_ have to execute the evhandler callback or
* else the event progress engine will hang */
if (NULL != cbfunc) {
cbfunc(PMIX_EVENT_ACTION_COMPLETE, NULL, 0, NULL, NULL, cbdata);
}
}
int main(int argc, char **argv)
{
int iter, itermax = 100;
bool sync = false;
pmix_status_t rc;
pmix_proc_t myproc;
pmix_proc_t procs[2];
pmix_app_t app;
pmix_nspace_t nspace;
pmix_proc_t pname;
mylock_t lock, rellock;
pmix_info_t iptr[3];
static struct option myoptions[] = {
{"iters", required_argument, NULL, 'i'},
{"sync", no_argument, NULL, 's'},
{"verbose", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 'h'},
{"report", required_argument, NULL, 'r'},
{0, 0, 0, 0}
};
int option_index;
int opt;
int freq = 100;
while ((opt = getopt_long(argc, argv, "hsvi:r:", myoptions, &option_index)) != -1) {
switch (opt) {
case 'i':
itermax = strtol(optarg, NULL, 10);
break;
case 's':
sync = true;
break;
case 'v':
verbose = true;
break;
case 'r':
freq = strtol(optarg, NULL, 10);
break;
case 'h':
fprintf(stderr,
"Usage: %s\n Options:\n"
" [-i N] [number of iterations]\n"
" [-s] [Sync mode - wait for termination before spawning next child]\n"
" [-v] [Verbose]\n"
" [-r N] [Report progress every N iterations]\n",
argv[0]);
exit(1);
default:
fprintf(stderr,
"Usage: %s\n Options:\n"
" [-i N] [number of iterations]\n"
" [-s] [Sync mode - wait for termination before spawning next child]\n"
" [-v] [Verbose]\n"
" [-r N] [Report progress every N iterations]\n",
argv[0]);
exit(1);
}
}
if (verbose) {
printf("parent*******************************\n");
printf("parent: Launching Child*\n");
}
rc = PMIx_Init(&myproc, NULL, 0);
if (PMIX_SUCCESS != rc) {
fprintf(stderr, "Failed to init\n");
exit(1);
}
PMIX_APP_CONSTRUCT(&app);
app.cmd = strdup(EXE_TEST);
PMIX_ARGV_APPEND(rc, app.argv, EXE_TEST);
if (verbose) {
PMIX_ARGV_APPEND(rc, app.argv, "--verbose");
}
app.maxprocs = 1;
PMIX_XFER_PROCID(&procs[0], &myproc);
for (iter = 0; iter < itermax; ++iter) {
rc = PMIx_Spawn(NULL, 0, &app, 1, nspace);
if (PMIX_SUCCESS != rc) {
fprintf(stderr, "Failed to spawn iteration %d: %s\n", iter, PMIx_Error_string(rc));
goto done;
}
if (sync) {
DEBUG_CONSTRUCT_LOCK(&rellock);
rc = PMIX_EVENT_JOB_END;
/* give the handler a name */
PMIX_INFO_LOAD(&iptr[0], PMIX_EVENT_HDLR_NAME, "JOB_TERMINATION_EVENT", PMIX_STRING);
/* specify we only want to be notified when our
* child job terminates */
PMIX_LOAD_PROCID(&pname, nspace, PMIX_RANK_WILDCARD);
PMIX_INFO_LOAD(&iptr[1], PMIX_EVENT_AFFECTED_PROC, &pname, PMIX_PROC);
/* request that they return our lock object */
PMIX_INFO_LOAD(&iptr[2], PMIX_EVENT_RETURN_OBJECT, &rellock, PMIX_POINTER);
/* do the registration */
DEBUG_CONSTRUCT_LOCK(&lock);
PMIx_Register_event_handler(&rc, 1, iptr, 3, evhandler, regcbfunc, &lock);
DEBUG_WAIT_THREAD(&lock);
DEBUG_DESTRUCT_LOCK(&lock);
PMIX_INFO_DESTRUCT(&iptr[0]);
PMIX_INFO_DESTRUCT(&iptr[1]);
PMIX_INFO_DESTRUCT(&iptr[2]);
}
PMIX_LOAD_PROCID(&procs[1], nspace, 0);
rc = PMIx_Connect(procs, 2, NULL, 0);
if (PMIX_SUCCESS != rc) {
fprintf(stderr, "[%s.%u]: Failed to connect\n", myproc.nspace, myproc.rank);
exit(1);
}
PMIx_Disconnect(procs, 2, NULL, 0);
if (sync) {
DEBUG_WAIT_THREAD(&rellock);
DEBUG_DESTRUCT_LOCK(&rellock);
}
if (!verbose && 0 == (iter % freq)) {
fprintf(stderr, "Completed iteration %d\n", iter);
}
}
done:
PMIx_Finalize(NULL, 0);
if (verbose) {
printf("parent: End .\n" );
}
return 0;
}
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