7 files changed, 25 insertions, 17 deletions
diff --git a/src/nvim/buffer_defs.h b/src/nvim/buffer_defs.h
index 6b5bbe3b00..78d9a9484e 100644
--- a/src/nvim/buffer_defs.h
+++ b/src/nvim/buffer_defs.h
@@ -751,6 +751,8 @@ struct file_buffer {
   Terminal *terminal;           // Terminal instance associated with the buffer
 
   dict_T *additional_data;      // Additional data from shada file if any.
+
+  int b_mapped_ctrl_c;          // modes where CTRL-C is mapped
 };
 
 /*
diff --git a/src/nvim/getchar.c b/src/nvim/getchar.c
index 44d6c086e7..89d22ad811 100644
--- a/src/nvim/getchar.c
+++ b/src/nvim/getchar.c
@@ -2940,8 +2940,12 @@ do_map (
     if (!did_it) {
       retval = 2;                           /* no match */
     } else if (*keys == Ctrl_C) {
-      /* If CTRL-C has been unmapped, reuse it for Interrupting. */
-      mapped_ctrl_c = FALSE;
+      // If CTRL-C has been unmapped, reuse it for Interrupting.
+      if (map_table == curbuf->b_maphash) {
+        curbuf->b_mapped_ctrl_c &= ~mode;
+      } else {
+        mapped_ctrl_c &= ~mode;
+      }
     }
     goto theend;
   }
@@ -2966,9 +2970,14 @@ do_map (
    */
   mp = xmalloc(sizeof(mapblock_T));
 
-  /* If CTRL-C has been mapped, don't always use it for Interrupting. */
-  if (*keys == Ctrl_C)
-    mapped_ctrl_c = TRUE;
+  // If CTRL-C has been mapped, don't always use it for Interrupting.
+  if (*keys == Ctrl_C) {
+    if (map_table == curbuf->b_maphash) {
+      curbuf->b_mapped_ctrl_c |= mode;
+    } else {
+      mapped_ctrl_c |= mode;
+    }
+  }
 
   mp->m_keys = vim_strsave(keys);
   mp->m_str = vim_strsave(rhs);
diff --git a/src/nvim/globals.h b/src/nvim/globals.h
index 40994d20b5..50eda6cb17 100644
--- a/src/nvim/globals.h
+++ b/src/nvim/globals.h
@@ -887,7 +887,7 @@ EXTERN int ctrl_x_mode INIT(= 0);       /* Which Ctrl-X mode are we in? */
 
 EXTERN int no_abbr INIT(= TRUE);        /* TRUE when no abbreviations loaded */
 
-EXTERN int mapped_ctrl_c INIT(= FALSE);      /* CTRL-C is mapped */
+EXTERN int mapped_ctrl_c INIT(= 0);  // Modes where CTRL-C is mapped.
 
 EXTERN cmdmod_T cmdmod;                 /* Ex command modifiers */
 
diff --git a/src/nvim/misc1.c b/src/nvim/misc1.c
index 96ef6cbaef..b2cec82121 100644
--- a/src/nvim/misc1.c
+++ b/src/nvim/misc1.c
@@ -2352,7 +2352,7 @@ int get_keystroke(void)
   int save_mapped_ctrl_c = mapped_ctrl_c;
   int waited = 0;
 
-  mapped_ctrl_c = FALSE;        /* mappings are not used here */
+  mapped_ctrl_c = 0;        // mappings are not used here
   for (;; ) {
     // flush output before waiting
     ui_flush();
diff --git a/src/nvim/os/input.c b/src/nvim/os/input.c
index ef6b5ff6f5..e632544856 100644
--- a/src/nvim/os/input.c
+++ b/src/nvim/os/input.c
@@ -19,6 +19,7 @@
 #include "nvim/getchar.h"
 #include "nvim/main.h"
 #include "nvim/misc1.h"
+#include "nvim/misc2.h"
 
 #define READ_BUFFER_SIZE 0xfff
 #define INPUT_BUFFER_SIZE (READ_BUFFER_SIZE * 4)
@@ -357,7 +358,7 @@ static void read_cb(Stream *stream, RBuffer *buf, size_t c, void *data,
 
 static void process_interrupts(void)
 {
-  if (mapped_ctrl_c) {
+  if ((mapped_ctrl_c | curbuf->b_mapped_ctrl_c) & get_real_state()) {
     return;
   }
 
diff --git a/src/nvim/terminal.c b/src/nvim/terminal.c
index 6045acd1cb..0a7807d811 100644
--- a/src/nvim/terminal.c
+++ b/src/nvim/terminal.c
@@ -77,9 +77,7 @@
 typedef struct terminal_state {
   VimState state;
   Terminal *term;
-  int save_state;           // saved value of State
   int save_rd;              // saved value of RedrawingDisabled
-  bool save_mapped_ctrl_c;  // saved value of mapped_ctrl_c;
   bool close;
   bool got_bs;              // if the last input was <C-\>
 } TerminalState;
@@ -362,12 +360,11 @@ void terminal_enter(void)
 
   checkpcmark();
   setpcmark();
-  s->save_state = State;
+  int save_state = State;
   s->save_rd = RedrawingDisabled;
   State = TERM_FOCUS;
+  mapped_ctrl_c |= TERM_FOCUS;  // Always map CTRL-C to avoid interrupt.
   RedrawingDisabled = false;
-  s->save_mapped_ctrl_c = mapped_ctrl_c;
-  mapped_ctrl_c = true;
   // go to the bottom when the terminal is focused
   adjust_topline(s->term, buf, false);
   // erase the unfocused cursor
@@ -380,11 +377,10 @@ void terminal_enter(void)
   state_enter(&s->state);
 
   restart_edit = 0;
-  State = s->save_state;
+  State = save_state;
   RedrawingDisabled = s->save_rd;
   // draw the unfocused cursor
   invalidate_terminal(s->term, s->term->cursor.row, s->term->cursor.row + 1);
-  mapped_ctrl_c = s->save_mapped_ctrl_c;
   unshowmode(true);
   redraw(curbuf->handle != s->term->buf_handle);
   ui_busy_stop();
diff --git a/src/nvim/version.c b/src/nvim/version.c
index 95e8cb2d26..804f750e18 100644
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -551,11 +551,11 @@ static int included_patches[] = {
   576,
   575,
   574,
-  // 573,
+  573,
   572,
   // 571 NA
   // 570 NA
-  // 569,
+  569,
   568,
   567,
   566,