* gdb.texinfo (SVR4 Process Information, The isatty call)

[deliverable/binutils-gdb.git] / gdb / infcmd.c

diff --git a/gdb/infcmd.c b/gdb/infcmd.c
index 807db8054cde9fe9e25c7b322927714a0b14f88b..507924d02a78940b808564cac3dfee69ec2442cd 100644 (file)
--- a/gdb/infcmd.c
+++ b/gdb/infcmd.c
@@ -198,7 +198,7 @@ int step_multi;
 /* Environment to use for running inferior,
    in format described in environ.h.  */
 
-struct environ *inferior_environ;
+struct gdb_environ *inferior_environ;
 \f
 /* Accessor routines. */
 
@@ -250,8 +250,10 @@ notice_args_set (char *args, int from_tty, struct cmd_list_element *c)
 
 /* Notice when `show args' is run.  */
 static void
-notice_args_read (char *args, int from_tty, struct cmd_list_element *c)
+notice_args_read (struct ui_file *file, int from_tty,
+                 struct cmd_list_element *c, const char *value)
 {
+  deprecated_show_value_hack (file, from_tty, c, value);
   /* Might compute the value.  */
   get_inferior_args ();
 }
@@ -398,8 +400,12 @@ Start it from the beginning? "))
     }
 }
 
+/* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert
+   a temporary breakpoint at the begining of the main program before
+   running the program.  */
+
 static void
-run_command (char *args, int from_tty)
+run_command_1 (char *args, int from_tty, int tbreak_at_main)
 {
   char *exec_file;
 
@@ -423,6 +429,10 @@ run_command (char *args, int from_tty)
   reopen_exec_file ();
   reread_symbols ();
 
+  /* Insert the temporary breakpoint if a location was specified.  */
+  if (tbreak_at_main)
+    tbreak_command (main_name (), 0);
+
   exec_file = (char *) get_exec_file (0);
 
   /* We keep symbols from add-symbol-file, on the grounds that the
@@ -484,6 +494,12 @@ run_command (char *args, int from_tty)
 }
 
 
+static void
+run_command (char *args, int from_tty)
+{
+  run_command_1 (args, from_tty, 0);
+}
+
 static void
 run_no_args_command (char *args, int from_tty)
 {
@@ -504,15 +520,8 @@ start_command (char *args, int from_tty)
   if (!have_minimal_symbols ())
     error (_("No symbol table loaded.  Use the \"file\" command."));
 
-  /* If the inferior is already running, we want to ask the user if we
-     should restart it or not before we insert the temporary breakpoint.
-     This makes sure that this command doesn't have any side effect if
-     the user changes its mind.  */
-  kill_if_already_running (from_tty);
-
-  /* Insert the temporary breakpoint, and run...  */
-  tbreak_command (main_name (), 0);
-  run_command (args, from_tty);
+  /* Run the program until reaching the main procedure...  */
+  run_command_1 (args, from_tty, 1);
 } 
 
 void
@@ -1980,15 +1989,14 @@ _initialize_infcmd (void)
               _("Set terminal for future runs of program being debugged."));
   set_cmd_completer (c, filename_completer);
 
-  c = add_set_cmd ("args", class_run, var_string_noescape,
-                  (char *) &inferior_args,
-                  "Set argument list to give program being debugged when it is started.\n\
-Follow this command with any number of args, to be passed to the program.",
-                  &setlist);
-  set_cmd_completer (c, filename_completer);
-  set_cmd_sfunc (c, notice_args_set);
-  c = deprecated_add_show_from_set (c, &showlist);
-  set_cmd_sfunc (c, notice_args_read);
+  add_setshow_optional_filename_cmd ("args", class_run,
+                                    &inferior_args, _("\
+Set argument list to give program being debugged when it is started."), _("\
+Show argument list to give program being debugged when it is started."), _("\
+Follow this command with any number of args, to be passed to the program."),
+                                    notice_args_set,
+                                    notice_args_read,
+                                    &setlist, &showlist);
 
   c = add_cmd ("environment", no_class, environment_info, _("\
 The environment to give the program, or one variable's value.\n\