commit 12dfc9eef14fe74c46145aa9e6cba9666f1bcd40
author Bram Moolenaar <Bram@vim.org> Mon Jan 28 22:32:58 2019 +0100
committer Bram Moolenaar <Bram@vim.org> Mon Jan 28 22:32:58 2019 +0100
tree 3a3c98030644028f710d33d7c2b2558ac0f2db13
parent f58d81a18752cb9bf899b3f7328fc489cf6558e8

patch 8.1.0840: getchar(0) never returns a character in the terminal

Problem:    getchar(0) never returns a character in the terminal.
Solution:   Call wait_func() at least once.

src/gui_photon.c

diff --git a/src/gui_photon.c b/src/gui_photon.c
index 234d250..9401228 100644
--- a/src/gui_photon.c
+++ b/src/gui_photon.c
@@ -1344,8 +1344,9 @@
 {
     is_timeout = FALSE;
 
-    if (wtime > 0)
-	PtSetResource(gui_ph_timer_timeout, Pt_ARG_TIMER_INITIAL, wtime, 0);
+    if (wtime >= 0)
+	PtSetResource(gui_ph_timer_timeout, Pt_ARG_TIMER_INITIAL,
+						    wtime == 0 ? 1 : wtime, 0);
 
     while (1)
     {