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Modifying sys_read to not check the event queue if timeout=0 and to never

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use a timeout larger than the one passed in.
This commit is contained in:
Steven Tamm 2002-12-10 18:03:49 +00:00
parent bdce610dee
commit 88069dff55
1 changed files with 6 additions and 1 deletions
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7
src/mac.c
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@ -2769,7 +2769,9 @@ sys_select (n, rfds, wfds, efds, timeout)
{
if (!inhibit_window_system && rfds && FD_ISSET (0, rfds))
return 1;
else if (inhibit_window_system || noninteractive)
else if (inhibit_window_system || noninteractive ||
(timeout && (EMACS_SECS(*timeout)==0) &&
(EMACS_USECS(*timeout)==0)))
return select(n, rfds, wfds, efds, timeout);
else
{
@ -2787,6 +2789,9 @@ sys_select (n, rfds, wfds, efds, timeout)
EMACS_SET_SECS (one_second, 1);
EMACS_SET_USECS (one_second, 0);
if (timeout && EMACS_TIME_LT(*timeout, one_second))
one_second = *timeout;
if ((r = select (n, rfds, wfds, efds, &one_second)) > 0)
return r;