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patch 8.2.5057: using gettimeofday() for timeout is very inefficient

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Problem:    Using gettimeofday() for timeout is very inefficient.
Solution:   Set a platform dependent timer. (Paul Ollis, closes #10505)
This commit is contained in:
Paul Ollis
2022-06-05 16:55:54 +01:00
committed by Bram Moolenaar
parent 1d97db3d98
commit 6574577cac
29 changed files with 811 additions and 242 deletions
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15
src/testdir/test_syntax.vim
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@@ -527,6 +527,15 @@ func Test_syntax_hangs()
CheckFunction reltimefloat
CheckFeature syntax
" So, it turns out the Windows 7 implements TimerQueue timers differently
" and they can expire *before* the requested time has elapsed. So allow for
" the timeout occurring after 80 ms (5 * 16 (the typical clock tick)).
if has("win32")
let min_timeout = 0.08
else
let min_timeout = 0.1
endif
" This pattern takes a long time to match, it should timeout.
new
call setline(1, ['aaa', repeat('abc ', 1000), 'ccc'])
@@ -535,7 +544,7 @@ func Test_syntax_hangs()
syn match Error /\%#=1a*.*X\@<=b*/
redraw
let elapsed = reltimefloat(reltime(start))
call assert_true(elapsed > 0.1)
call assert_true(elapsed > min_timeout)
call assert_true(elapsed < 1.0)
" second time syntax HL is disabled
@@ -549,7 +558,7 @@ func Test_syntax_hangs()
exe "normal \<C-L>"
redraw
let elapsed = reltimefloat(reltime(start))
call assert_true(elapsed > 0.1)
call assert_true(elapsed > min_timeout)
call assert_true(elapsed < 1.0)
set redrawtime&
@@ -642,7 +651,7 @@ func Test_syntax_c()
\ "\tNote: asdf",
\ '}',
\ ], 'Xtest.c')
" This makes the default for 'background' use "dark", check that the
" response to t_RB corrects it to "light".
let $COLORFGBG = '15;0'