patch 7.4.1318
Problem: Channel with pipes doesn't work in GUI.
Solution: Register input handlers for pipes.
diff --git a/src/proto/channel.pro b/src/proto/channel.pro
index 56eb887..f748052 100644
--- a/src/proto/channel.pro
+++ b/src/proto/channel.pro
@@ -2,6 +2,7 @@
void ch_logfile(FILE *file);
channel_T *add_channel(void);
void channel_free(channel_T *channel);
+void channel_gui_register(channel_T *channel);
void channel_gui_register_all(void);
channel_T *channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void));
void channel_set_pipes(channel_T *channel, int in, int out, int err);
@@ -21,10 +22,10 @@
void channel_clear(channel_T *channel);
void channel_free_all(void);
int channel_get_id(void);
-void channel_read(channel_T *channel, int use_stderr, char *func);
+void channel_read(channel_T *channel, int what, char *func);
char_u *channel_read_block(channel_T *channel);
int channel_read_json_block(channel_T *channel, int id, typval_T **rettv);
-channel_T *channel_fd2channel(sock_T fd);
+channel_T *channel_fd2channel(sock_T fd, int *what);
int channel_send(channel_T *channel, char_u *buf, char *fun);
int channel_poll_setup(int nfd_in, void *fds_in);
int channel_poll_check(int ret_in, void *fds_in);