commit 75a1a9415b9c207de5a29b25c0d1949c6c9c5c61
author Bram Moolenaar <Bram@vim.org> Thu Jun 20 03:45:36 2019 +0200
committer Bram Moolenaar <Bram@vim.org> Thu Jun 20 03:45:36 2019 +0200
tree 470a0887aed4e52e342edbca555e0bec1b85af99
parent a3fce62c911c204ae144b55018f6dc9295088850

patch 8.1.1575: callbacks may be garbage collected

Problem:    Callbacks may be garbage collected.
Solution:   Set reference in callbacks. (Ozaki Kiichi, closes #4564)

src/channel.c

diff --git a/src/channel.c b/src/channel.c
index 76c5611..4e6df94 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -4479,7 +4479,8 @@
     channel_T	*channel;
     typval_T	tv;
 
-    for (channel = first_channel; channel != NULL; channel = channel->ch_next)
+    for (channel = first_channel; !abort && channel != NULL;
+						   channel = channel->ch_next)
 	if (channel_still_useful(channel))
 	{
 	    tv.v_type = VAR_CHANNEL;
@@ -5568,7 +5569,7 @@
     job_T	*job;
     typval_T	tv;
 
-    for (job = first_job; job != NULL; job = job->jv_next)
+    for (job = first_job; !abort && job != NULL; job = job->jv_next)
 	if (job_still_useful(job))
 	{
 	    tv.v_type = VAR_JOB;