ompi_proc_complete_init_single: make the subroutine public

and accept a proc from a different job

(cherry picked from commit open-mpi/opmi@a4aa4c95715ea7ec7922b7c3f3550aebd1dad3d0)

Author: ggouaillardet

ompi/proc/proc.c

@@ -129,14 +129,15 @@ static int ompi_proc_allocate (ompi_jobid_t jobid, ompi_vpid_t vpid, ompi_proc_t
  * retrieving the hostname (if below the modex cutoff), determining the
  * remote architecture, and calculating the locality of the process.
  */
-static int ompi_proc_complete_init_single (ompi_proc_t *proc)
+int ompi_proc_complete_init_single (ompi_proc_t *proc)
 {
     uint16_t u16, *u16ptr;
     int ret;
 
     u16ptr = &u16;
 
-    if (OMPI_CAST_RTE_NAME(&proc->super.proc_name)->vpid == OMPI_PROC_MY_NAME->vpid) {
+    if ((OMPI_CAST_RTE_NAME(&proc->super.proc_name)->jobid == OMPI_PROC_MY_NAME->jobid) &&
+        (OMPI_CAST_RTE_NAME(&proc->super.proc_name)->vpid  == OMPI_PROC_MY_NAME->vpid)) {
         /* nothing else to do */
         return OMPI_SUCCESS;
     }

ompi/proc/proc.h

@@ -122,6 +122,18 @@ OMPI_DECLSPEC int ompi_proc_init(void);
  */
 OMPI_DECLSPEC int ompi_proc_complete_init(void);
 
+/**
+ * Complete filling up the proc information (arch, name and locality) for
+ * a given proc. This function is to be called only after the modex exchange
+ * has been completed.
+ *
+ * @param[in] proc the proc whose information will be filled up
+ *
+ * @retval OMPI_SUCCESS All information correctly set.
+ * @retval OMPI_ERROR   Some info could not be initialized.
+ */
+OMPI_DECLSPEC int ompi_proc_complete_init_single(ompi_proc_t* proc);
+
 /**
  * Finalize the OMPI Process subsystem
  *