2009-07-01 Tristan Gingold <gingold@adacore.com>

[deliverable/binutils-gdb.git] / gdb / remote-fileio.c

diff --git a/gdb/remote-fileio.c b/gdb/remote-fileio.c
index eb7ae3829636c390ebcc9becbc18fd00d4136ebe..1683e996818724d040730f4cbf5228a0e4fb730d 100644 (file)
--- a/gdb/remote-fileio.c
+++ b/gdb/remote-fileio.c
@@ -1,12 +1,13 @@
 /* Remote File-I/O communications
 
-   Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -15,9 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* See the GDB User Guide for details of the GDB remote protocol. */
 
@@ -30,6 +29,7 @@
 #include "gdb_stat.h"
 #include "exceptions.h"
 #include "remote-fileio.h"
+#include "event-loop.h"
 
 #include <fcntl.h>
 #include <sys/time.h>
@@ -49,6 +49,8 @@ static struct {
 
 static int remote_fio_system_call_allowed = 0;
 
+static struct async_signal_handler *sigint_fileio_token;
+
 static int
 remote_fileio_init_fd_map (void)
 {
@@ -70,12 +72,16 @@ remote_fileio_init_fd_map (void)
 static int
 remote_fileio_resize_fd_map (void)
 {
+  int i = remote_fio_data.fd_map_size;
+
   if (!remote_fio_data.fd_map)
     return remote_fileio_init_fd_map ();
   remote_fio_data.fd_map_size += 10;
   remote_fio_data.fd_map =
     (int *) xrealloc (remote_fio_data.fd_map,
                      remote_fio_data.fd_map_size * sizeof (int));
+  for (; i < remote_fio_data.fd_map_size; i++)
+    remote_fio_data.fd_map[i] = FIO_FD_INVALID;
   return remote_fio_data.fd_map_size - 10;
 }
 
@@ -501,13 +507,19 @@ remote_fileio_sig_exit (void)
 #endif
 }
 
+static void
+async_remote_fileio_interrupt (gdb_client_data arg)
+{
+  deprecated_throw_reason (RETURN_QUIT);
+}
+
 static void
 remote_fileio_ctrl_c_signal_handler (int signo)
 {
   remote_fileio_sig_set (SIG_IGN);
   remote_fio_ctrl_c_flag = 1;
   if (!remote_fio_no_longjmp)
-    deprecated_throw_reason (RETURN_QUIT);
+    gdb_call_async_signal_handler (sigint_fileio_token, 1);
   remote_fileio_sig_set (remote_fileio_ctrl_c_signal_handler);
 }
 
@@ -850,6 +862,7 @@ remote_fileio_func_write (char *buf)
     {
       case FIO_FD_CONSOLE_IN:
        remote_fileio_badfd ();
+       xfree (buffer);
        return;
       case FIO_FD_CONSOLE_OUT:
        ui_file_write (target_fd == 1 ? gdb_stdtarg : gdb_stdtargerr,
@@ -1332,19 +1345,19 @@ static struct {
   char *name;
   void (*func)(char *);
 } remote_fio_func_map[] = {
-  "open", remote_fileio_func_open,
-  "close", remote_fileio_func_close,
-  "read", remote_fileio_func_read,
-  "write", remote_fileio_func_write,
-  "lseek", remote_fileio_func_lseek,
-  "rename", remote_fileio_func_rename,
-  "unlink", remote_fileio_func_unlink,
-  "stat", remote_fileio_func_stat,
-  "fstat", remote_fileio_func_fstat,
-  "gettimeofday", remote_fileio_func_gettimeofday,
-  "isatty", remote_fileio_func_isatty,
-  "system", remote_fileio_func_system,
-  NULL, NULL
+  { "open", remote_fileio_func_open },
+  { "close", remote_fileio_func_close },
+  { "read", remote_fileio_func_read },
+  { "write", remote_fileio_func_write },
+  { "lseek", remote_fileio_func_lseek },
+  { "rename", remote_fileio_func_rename },
+  { "unlink", remote_fileio_func_unlink },
+  { "stat", remote_fileio_func_stat },
+  { "fstat", remote_fileio_func_fstat },
+  { "gettimeofday", remote_fileio_func_gettimeofday },
+  { "isatty", remote_fileio_func_isatty },
+  { "system", remote_fileio_func_system },
+  { NULL, NULL }
 };
 
 static int
@@ -1386,7 +1399,7 @@ remote_fileio_reset (void)
     }
   if (remote_fio_data.fd_map)
     {
-      free (remote_fio_data.fd_map);
+      xfree (remote_fio_data.fd_map);
       remote_fio_data.fd_map = NULL;
       remote_fio_data.fd_map_size = 0;
     }
@@ -1448,6 +1461,9 @@ void
 initialize_remote_fileio (struct cmd_list_element *remote_set_cmdlist,
                          struct cmd_list_element *remote_show_cmdlist)
 {
+  sigint_fileio_token =
+    create_async_signal_handler (async_remote_fileio_interrupt, NULL);
+
   add_cmd ("system-call-allowed", no_class,
           set_system_call_allowed,
           _("Set if the host system(3) call is allowed for the target."),