42 строки
940 B
C
42 строки
940 B
C
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/* -*- C -*-
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*
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* $HEADER$
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*
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* The most basic of MPI applications
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*/
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#include <stdio.h>
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#include "orte/util/proc_info.h"
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#include "orte/runtime/runtime.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/oob/base/base.h"
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#define MY_TAG 12345
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int main(int argc, char* argv[])
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{
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int rc;
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char hostname[512];
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pid_t pid;
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struct iovec msg;
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if (0 > (rc = orte_init(ORTE_NON_INFRASTRUCTURE, ORTE_USE_BARRIER))) {
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fprintf(stderr, "orte_nodename: couldn't init orte - error code %d\n", rc);
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return rc;
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}
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gethostname(hostname, 512);
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pid = getpid();
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/* wait for message from our parent */
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if (0 > orte_rml.recv(ORTE_NAME_WILDCARD, &msg, 1, MY_TAG, MCA_OOB_ALLOC)) {
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printf("error at line %d\n", __LINE__);
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}
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printf("CHILD [%lu,%lu,%lu] Node %s Pid %ld\n", ORTE_NAME_ARGS(orte_process_info.my_name), hostname, (long)pid);
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orte_finalize();
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return 0;
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}
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