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-rw-r--r--lib-src/emacsclient.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index cff3cec2a79..0e800dd7e89 100644
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -116,6 +116,9 @@ static bool eval;
/* True means open a new frame. --create-frame etc. */
static bool create_frame;
+/* True means reuse a frame if it already exists. */
+static bool reuse_frame;
+
/* The display on which Emacs should work. --display. */
static char const *display;
@@ -165,6 +168,7 @@ static struct option const longopts[] =
{ "tty", no_argument, NULL, 't' },
{ "nw", no_argument, NULL, 't' },
{ "create-frame", no_argument, NULL, 'c' },
+ { "reuse-frame", no_argument, NULL, 'r' },
{ "alternate-editor", required_argument, NULL, 'a' },
{ "frame-parameters", required_argument, NULL, 'F' },
#ifdef SOCKETS_IN_FILE_SYSTEM
@@ -551,6 +555,11 @@ decode_options (int argc, char **argv)
create_frame = true;
break;
+ case 'r':
+ create_frame = true;
+ reuse_frame = true;
+ break;
+
case 'p':
parent_id = optarg;
create_frame = true;
@@ -647,6 +656,8 @@ The following OPTIONS are accepted:\n\
-nw, -t, --tty Open a new Emacs frame on the current terminal\n\
-c, --create-frame Create a new frame instead of trying to\n\
use the current Emacs frame\n\
+-r, --reuse-frame Create a new frame if none exists, otherwise\n\
+ use the current Emacs frame\n\
", "\
-F ALIST, --frame-parameters=ALIST\n\
Set the parameters of a new frame\n\
@@ -1941,7 +1952,7 @@ main (int argc, char **argv)
if (nowait)
send_to_emacs (emacs_socket, "-nowait ");
- if (!create_frame)
+ if (!create_frame || reuse_frame)
send_to_emacs (emacs_socket, "-current-frame ");
if (display)