Merge GDB 7.5.1

gdb/cli/cli-logging.c

Index: gdb/cli/cli-logging.c
diff --git a/gdb/cli/cli-logging.c b/gdb/cli/cli-logging.c
index 0c5bda8797563cdb787df11e3e1f6856c91f49ca..6ff064ad6f3d1ff12ed005ea483e9359eaa0022a 100644
--- a/gdb/cli/cli-logging.c
+++ b/gdb/cli/cli-logging.c
@@ -20,6 +20,7 @@
 #include "defs.h"
 #include "gdbcmd.h"
 #include "ui-out.h"
+#include "interps.h"
 #include "gdb_assert.h"
 
 #include "gdb_string.h"
@@ -115,11 +116,17 @@ set_logging_redirect (char *args, int from_tty, struct cmd_list_element *c)
 			    logging_filename);
     }
 
-  gdb_stdout = output;
-  gdb_stderr = output;
-  gdb_stdlog = output;
-  gdb_stdtarg = output;
-  gdb_stdtargerr = output;
+  /* Give the current interpreter a chance to do anything special that
+     it might need for logging, such as updating other channels.  */
+  if (current_interp_set_logging (1, output, NULL) == 0)
+    {
+      gdb_stdout = output;
+      gdb_stdlog = output;
+      gdb_stderr = output;
+      gdb_stdtarg = output;
+      gdb_stdtargerr = output;
+    }
+
   logging_no_redirect_file = new_logging_no_redirect_file;
 
   /* There is a former output pushed on the ui_out_redirect stack.  We
@@ -147,19 +154,25 @@ show_logging_redirect (struct ui_file *file, int from_tty,
 static void
 pop_output_files (void)
 {
-  /* Only delete one of the files -- they are all set to the same
-     value.  */
-  ui_file_delete (gdb_stdout);
   if (logging_no_redirect_file)
     {
       ui_file_delete (logging_no_redirect_file);
       logging_no_redirect_file = NULL;
     }
-  gdb_stdout = saved_output.out;
-  gdb_stderr = saved_output.err;
-  gdb_stdlog = saved_output.log;
-  gdb_stdtarg = saved_output.targ;
-  gdb_stdtargerr = saved_output.targ;
+
+  if (current_interp_set_logging (0, NULL, NULL) == 0)
+    {
+      /* Only delete one of the files -- they are all set to the same
+	 value.  */
+      ui_file_delete (gdb_stdout);
+
+      gdb_stdout = saved_output.out;
+      gdb_stderr = saved_output.err;
+      gdb_stdlog = saved_output.log;
+      gdb_stdtarg = saved_output.targ;
+      gdb_stdtargerr = saved_output.targ;
+    }
+
   saved_output.out = NULL;
   saved_output.err = NULL;
   saved_output.log = NULL;
@@ -175,6 +188,7 @@ handle_redirections (int from_tty)
 {
   struct cleanup *cleanups;
   struct ui_file *output;
+  struct ui_file *no_redirect_file = NULL;
 
   if (saved_filename != NULL)
     {
@@ -191,7 +205,7 @@ handle_redirections (int from_tty)
   /* Redirects everything to gdb_stdout while this is running.  */
   if (!logging_redirect)
     {
-      struct ui_file *no_redirect_file = output;
+      no_redirect_file = output;
 
       output = tee_file_new (gdb_stdout, 0, no_redirect_file, 0);
       if (output == NULL)
@@ -220,14 +234,22 @@ handle_redirections (int from_tty)
   saved_output.targ = gdb_stdtarg;
   saved_output.targerr = gdb_stdtargerr;
 
-  gdb_stdout = output;
-  gdb_stderr = output;
-  gdb_stdlog = output;
-  gdb_stdtarg = output;
-  gdb_stdtargerr = output;
+  /* Let the interpreter do anything it needs.  */
+  if (current_interp_set_logging (1, output, no_redirect_file) == 0)
+    {
+      gdb_stdout = output;
+      gdb_stdlog = output;
+      gdb_stderr = output;
+      gdb_stdtarg = output;
+      gdb_stdtargerr = output;
+    }
 
-  if (ui_out_redirect (current_uiout, output) < 0)
-    warning (_("Current output protocol does not support redirection"));
+  /* Don't do the redirect for MI, it confuses MI's ui-out scheme.  */
+  if (!ui_out_is_mi_like_p (current_uiout))
+    {
+      if (ui_out_redirect (current_uiout, output) < 0)
+	warning (_("Current output protocol does not support redirection"));
+    }
 }
 
 static void