commit dfc33a665d3b12689aa971575b8e7de4e5202d83
author Bram Moolenaar <Bram@vim.org> Wed Apr 29 22:30:13 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Wed Apr 29 22:30:13 2020 +0200
tree 8c046a483c6b78d558f9ad178ed7e9369c4efe5c
parent 339d60c89bef0315343a6128a1b4826510b0efe4

patch 8.2.0662: cannot use input() in a channel callback

Problem:    Cannot use input() in a channel callback.
Solution:   Reset vgetc_busy. (closes #6010)

src/evalfunc.c

diff --git a/src/evalfunc.c b/src/evalfunc.c
index 02943c7..1493291 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -2149,7 +2149,7 @@
     static void
 f_eventhandler(typval_T *argvars UNUSED, typval_T *rettv)
 {
-    rettv->vval.v_number = vgetc_busy;
+    rettv->vval.v_number = vgetc_busy || input_busy;
 }
 
 static garray_T	redir_execute_ga;
@@ -2566,7 +2566,7 @@
 #ifdef FEAT_TIMERS
 			|| timer_busy
 #endif
-			)
+			|| input_busy)
 		    typebuf_was_filled = TRUE;
 	    }
 	    vim_free(keys_esc);
@@ -2887,7 +2887,7 @@
 }
 
     static type_T *
-ret_f_function(int argcount, type_T **argtypes UNUSED)
+ret_f_function(int argcount, type_T **argtypes)
 {
     if (argcount == 1 && argtypes[0]->tt_type == VAR_STRING)
 	return &t_func_any;