corrections for stdin - stdin shouldn't be using same pty

as stdout - corrects duplicate output

This commit was SVN r5925.

src/mca/iof/base/iof_base_setup.c

@@ -61,11 +61,13 @@ orte_iof_base_setup_prefork(orte_iof_base_io_conf_t *opts)
 #endif
 
     fflush(stdout);
-
 #if defined(HAVE_OPENPTY) && OMPI_ENABLE_PTY_SUPPORT
+
     if (opts->usepty) {
         ret = openpty(&(opts->p_stdout[0]), &(opts->p_stdout[1]),
                       NULL, NULL, NULL);
+        ret = openpty(&(opts->p_stdin[0]), &(opts->p_stdin[1]),
+                      NULL, NULL, NULL);
     } else {
         ret = -1;
     }
@@ -105,7 +107,7 @@ orte_iof_base_setup_child(orte_iof_base_io_conf_t *opts)
 {
     int ret;
 
-    if (! opts->usepty) {
+    if (!opts->usepty) {
         close(opts->p_stdout[0]);
         close(opts->p_stdin[1]);
     }
@@ -113,7 +115,7 @@ orte_iof_base_setup_child(orte_iof_base_io_conf_t *opts)
 
     if (opts->usepty) {
         if (opts->connect_stdin) {
-            ret = dup2(opts->p_stdout[1], fileno(stdin)); 
+            ret = dup2(opts->p_stdin[0], fileno(stdin)); 
             if (ret < 0) return OMPI_ERROR;
         } else {
             int fd;
@@ -134,9 +136,9 @@ orte_iof_base_setup_child(orte_iof_base_io_conf_t *opts)
         }
         if (opts->connect_stdin) {
             if(opts->p_stdin[0] != fileno(stdin)) {
-                ret = dup2(opts->p_stdin[1], fileno(stdin));
+                ret = dup2(opts->p_stdin[0], fileno(stdin));
                 if (ret < 0) return OMPI_ERROR;
-                close(opts->p_stdin[1]); 
+                close(opts->p_stdin[0]); 
             }
         } else {
             int fd;
@@ -155,7 +157,6 @@ orte_iof_base_setup_child(orte_iof_base_io_conf_t *opts)
         if (ret < 0) return OMPI_ERROR;
         close(opts->p_stderr[1]);
     }
-
     return OMPI_SUCCESS;
 }
 
@@ -172,11 +173,10 @@ orte_iof_base_setup_parent(const orte_process_name_t* name,
     }
     close(opts->p_stderr[1]);
 
-    /* connect stdin endpoint */
+    /* connect write end to IOF */
     if (opts->connect_stdin) {
         ret = orte_iof.iof_publish(name, ORTE_IOF_SINK,
-                                   ORTE_IOF_STDIN, opts->usepty ? 
-                                   opts->p_stdout[0] : opts->p_stdin[1]);
+                                   ORTE_IOF_STDIN, opts->p_stdin[1]);
         if(ORTE_SUCCESS != ret) {
             ORTE_ERROR_LOG(ret);
             return ret;