Mercurial > vim
changeset 8318:190d8084cb3a v7.4.1451
commit https://github.com/vim/vim/commit/707659490d35e8d66e8bbdcfd93b12dc1387d86c
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Feb 28 19:28:59 2016 +0100
patch 7.4.1451
Problem: Vim hangs when a channel has a callback but isn't referenced.
Solution: Have channel_unref() only return TRUE when the channel was
actually freed.
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sun, 28 Feb 2016 19:30:04 +0100 |
parents | 10a72904e595 |
children | 84a0b8e6bce6 |
files | src/channel.c src/eval.c src/proto/channel.pro src/version.c |
diffstat | 4 files changed, 10 insertions(+), 6 deletions(-) [+] |
line wrap: on
line diff
--- a/src/channel.c +++ b/src/channel.c @@ -334,12 +334,17 @@ channel_still_useful(channel_T *channel) * Close a channel and free all its resources if there is no further action * possible, there is no callback to be invoked or the associated job was * killed. + * Return TRUE if the channel was freed. */ - void + int channel_may_free(channel_T *channel) { if (!channel_still_useful(channel)) + { channel_free(channel); + return TRUE; + } + return FALSE; } /*
--- a/src/eval.c +++ b/src/eval.c @@ -7747,10 +7747,7 @@ failret: channel_unref(channel_T *channel) { if (channel != NULL && --channel->ch_refcount <= 0) - { - channel_may_free(channel); - return TRUE; - } + return channel_may_free(channel); return FALSE; } #endif
--- a/src/proto/channel.pro +++ b/src/proto/channel.pro @@ -4,7 +4,7 @@ int ch_log_active(void); void ch_log(channel_T *ch, char *msg); void ch_logs(channel_T *ch, char *msg, char *name); channel_T *add_channel(void); -void channel_may_free(channel_T *channel); +int channel_may_free(channel_T *channel); void channel_free(channel_T *channel); void channel_gui_register(channel_T *channel); void channel_gui_register_all(void);