* NEWS: Add entry for stdio gdbserver.

[external/binutils.git] / gdb / gdbserver / linux-low.c

diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c
index 43d88fa..a712b1f 100644 (file)
--- a/gdb/gdbserver/linux-low.c
+++ b/gdb/gdbserver/linux-low.c
@@ -569,6 +569,18 @@ linux_create_inferior (char *program, char **allargs)
 
       setpgid (0, 0);
 
+      /* If gdbserver is connected to gdb via stdio, redirect the inferior's
+        stdout to stderr so that inferior i/o doesn't corrupt the connection.
+        Also, redirect stdin to /dev/null.  */
+      if (remote_connection_is_stdio ())
+       {
+         close (0);
+         open ("/dev/null", O_RDONLY);
+         dup2 (2, 1);
+         write (2, "stdin/stdout redirected\n",
+                sizeof ("stdin/stdout redirected\n") - 1);
+       }
+
       execv (program, allargs);
       if (errno == ENOENT)
        execvp (program, allargs);