usnic: print a helpful message invoke PML error callback

jsquyres · jsquyres · commit b13813810fab · 2016-10-03T11:59:41.000-07:00
The previous message was unhelpful / confusing.

Signed-off-by: Jeff Squyres &lt;jsquyres@cisco.com&gt;
diff --git a/opal/mca/btl/usnic/btl_usnic_util.c b/opal/mca/btl/usnic/btl_usnic_util.c
@@ -34,6 +34,8 @@ void opal_btl_usnic_exit(opal_btl_usnic_module_t *module)
         }
         /* If we didn't find a PML error callback, just exit. */
         if (NULL == module) {
+            fprintf(stderr, "*** The Open MPI usnic BTL is aborting the MPI job (via exit(3)).\n");
+            fflush(stderr);
             exit(1);
         }
     }
@@ -47,7 +49,7 @@ void opal_btl_usnic_exit(opal_btl_usnic_module_t *module)
         module->pml_error_callback(&module->super,
                                    MCA_BTL_ERROR_FLAGS_FATAL,
                                    (opal_proc_t*) opal_proc_local_get(),
-                                   "usnic");
+                                   "The usnic BTL is aborting the MPI job (via PML error callback).");
     }
 
     /* If the PML error callback returns (or if there wasn't one),

Original file line number	Diff line number	Diff line change
`@@ -34,6 +34,8 @@ void opal_btl_usnic_exit(opal_btl_usnic_module_t *module)`
`34`	`34`	`}`
`35`	`35`	`/* If we didn't find a PML error callback, just exit. */`
`36`	`36`	`if (NULL == module) {`
	`37`	`+ fprintf(stderr, "*** The Open MPI usnic BTL is aborting the MPI job (via exit(3)).\n");`
	`38`	`+ fflush(stderr);`
`37`	`39`	`exit(1);`
`38`	`40`	`}`
`39`	`41`	`}`
`@@ -47,7 +49,7 @@ void opal_btl_usnic_exit(opal_btl_usnic_module_t *module)`
`47`	`49`	`module->pml_error_callback(&module->super,`
`48`	`50`	`MCA_BTL_ERROR_FLAGS_FATAL,`
`49`	`51`	`(opal_proc_t*) opal_proc_local_get(),`
`50`		`- "usnic");`
	`52`	`+ "The usnic BTL is aborting the MPI job (via PML error callback).");`
`51`	`53`	`}`
`52`	`54`
`53`	`55`	`/* If the PML error callback returns (or if there wasn't one),`