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Confirmed that on Linux the serial interrupt takes precedence over the timer

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interrupt, so we don't need to worry about scheduler delays.  This means the
delay can be trimmed down to 25 miliseconds.  Add comment while at it.
This commit is contained in:
Rob Landley 2008-10-16 06:34:10 +00:00
parent 8854b352f4
commit 7960ea8918
1 changed files with 3 additions and 2 deletions
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5
editors/vi.c
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@ -2280,8 +2280,9 @@ static char readit(void) // read (maybe cursor) key from stdin
struct pollfd pfd;
pfd.fd = 0;
pfd.events = POLLIN;
// Rob needed 300ms timeout on qemu
if (safe_poll(&pfd, 1, /*timeout:*/ 300)) {
// Timeout is needed to reconnect escape sequences split
// up by transmission over a serial console.
if (safe_poll(&pfd, 1, 25)) {
if (safe_read(0, readbuffer + n, 1) <= 0)
goto error;
n++;