From f4f1989b6ef341557cc90a6805d745fef2a7a815 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Thu, 6 Oct 2022 17:23:56 +0200
Subject: [PATCH] render: resize: ignore ptmx read events during interactive
 resize

---
 render.c   |  4 ++++
 terminal.c | 12 ++++++++++++
 terminal.h |  3 +++
 3 files changed, 19 insertions(+)

diff --git a/render.c b/render.c
index d2fce8b0..3cb544cd 100644
--- a/render.c
+++ b/render.c
@@ -3700,6 +3700,8 @@ delayed_reflow_of_normal_grid(struct terminal *term)
 
     if (term->grid == &term->normal)
         term_damage_view(term);
+
+    term_ptmx_resume(term);
 }
 
 static bool
@@ -3939,6 +3941,7 @@ maybe_resize(struct terminal *term, int width, int height, bool force)
         }
 
         term->normal = g;
+        term_ptmx_pause(term);
     }
 
     /* Screen rows/cols before resize */
@@ -4028,6 +4031,7 @@ maybe_resize(struct terminal *term, int width, int height, bool force)
 
             term->render.resizing.grid = NULL;
             term->render.resizing.screen_rows = 0;
+            term_ptmx_resume(term);
         }
 
         struct coord *const tracking_points[] = {
diff --git a/terminal.c b/terminal.c
index df17201b..ee12ae32 100644
--- a/terminal.c
+++ b/terminal.c
@@ -233,6 +233,18 @@ static struct timespec last = {0};
 
 static bool cursor_blink_rearm_timer(struct terminal *term);
 
+void
+term_ptmx_pause(struct terminal *term)
+{
+    fdm_event_del(term->fdm, term->ptmx, EPOLLIN);
+}
+
+void
+term_ptmx_resume(struct terminal *term)
+{
+    fdm_event_add(term->fdm, term->ptmx, EPOLLIN);
+}
+
 /* Externally visible, but not declared in terminal.h, to enable pgo
  * to call this function directly */
 bool
diff --git a/terminal.h b/terminal.h
index 3afd101d..7a281e72 100644
--- a/terminal.h
+++ b/terminal.h
@@ -810,6 +810,9 @@ void term_collect_urls(struct terminal *term);
 void term_osc8_open(struct terminal *term, uint64_t id, const char *uri);
 void term_osc8_close(struct terminal *term);
 
+void term_ptmx_pause(struct terminal *term);
+void term_ptmx_resume(struct terminal *term);
+
 static inline void term_reset_grapheme_state(struct terminal *term)
 {
 #if defined(FOOT_GRAPHEME_CLUSTERING)