Hi Bram,
2016/11/25 Fri 1:23:12 UTC+9 Bram Moolenaar wrote:
> Patch 8.0.0097
> Problem: When a channel callback consumes a lot of time Vim becomes
> unresponsive. (skywind)
> Solution: Bail out of checking channel readahead after 100 msec.
> Files: src/os_unix.c, src/misc2.c, src/vim.h, src/os_win32.c
> + long
> + elapsed(DWORD start_tick)
> + {
> + DWORD now = GetTickCount();
> +
> + if (now < start_tick)
> + /* overflow */
> + return (long)now;
> + return (long)now - (long)start_tick;
> + }
I don't think overflow checking is needed here.
return (long)now - (long)start_tick;
should work on Windows even if overflow occurs.
Regards,
Ken Takata
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