Ken Takata wrote: > 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.
DWORD is 32 bits unsigned, right? And long is 32 bits signed. I suppose that works. -- hundred-and-one symptoms of being an internet addict: 49. You never have to deal with busy signals when calling your ISP...because you never log off. /// Bram Moolenaar -- b...@moolenaar.net -- http://www.Moolenaar.net \\\ /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ \\\ an exciting new programming language -- http://www.Zimbu.org /// \\\ help me help AIDS victims -- http://ICCF-Holland.org /// -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to vim_dev+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.