Mercurial > vim
changeset 10019:782a8070c3a6 v7.4.2282
commit https://github.com/vim/vim/commit/0abe0522d0e52b50c6eab52323be558eb56fe95e
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Aug 28 16:53:12 2016 +0200
patch 7.4.2282
Problem: When a child process is very fast waiting 10 msec for it is
noticeable. (Ramel Eshed)
Solution: Start waiting for 1 msec and gradually increase.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sun, 28 Aug 2016 17:00:07 +0200 |
| parents | 04d91be62075 |
| children | ade52c52fae7 |
| files | src/os_unix.c src/version.c |
| diffstat | 2 files changed, 14 insertions(+), 3 deletions(-) [+] |
line wrap: on
line diff
--- a/src/os_unix.c +++ b/src/os_unix.c @@ -3934,6 +3934,7 @@ mch_new_shellsize(void) wait4pid(pid_t child, waitstatus *status) { pid_t wait_pid = 0; + long delay_msec = 1; while (wait_pid != child) { @@ -3948,8 +3949,10 @@ wait4pid(pid_t child, waitstatus *status # endif if (wait_pid == 0) { - /* Wait for 10 msec before trying again. */ - mch_delay(10L, TRUE); + /* Wait for 1 to 10 msec before trying again. */ + mch_delay(delay_msec, TRUE); + if (++delay_msec > 10) + delay_msec = 10; continue; } if (wait_pid <= 0 @@ -4929,6 +4932,8 @@ finished: # if defined(FEAT_XCLIPBOARD) && defined(FEAT_X11) else { + long delay_msec = 1; + /* * Similar to the loop above, but only handle X events, no * I/O. @@ -4961,7 +4966,11 @@ finished: /* Handle any X events, e.g. serving the clipboard. */ clip_update(); - mch_delay(10L, TRUE); + /* Wait for 1 to 10 msec. 1 is faster but gives the child + * less time. */ + mch_delay(delay_msec, TRUE); + if (++delay_msec > 10) + delay_msec = 10; } } # endif