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patch 7.4.2282

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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.
This commit is contained in:
Bram Moolenaar
2016-08-28 16:53:12 +02:00
parent 0426bae2ab
commit 0abe0522d0
2 changed files with 14 additions and 3 deletions
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15
src/os_unix.c
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@@ -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

2
src/version.c
View File

@@ -763,6 +763,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
2282,
/**/
2281,
/**/