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Port to platforms where rlim_max < 0

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* src/emacs.c (main): Do not treat a negative rlim_max as a limit;
this can happen if a special value like RLIM_INFINITY is negative.
This commit is contained in:
Paul Eggert 2016-05-27 13:55:07 -07:00
parent 9d356f62b3
commit 4e182dce20
1 changed files with 7 additions and 4 deletions
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11
src/emacs.c
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@ -851,11 +851,14 @@ main (int argc, char **argv)
/* Round the new limit to a page boundary; this is needed
for Darwin kernel 15.4.0 (see Bug#23622) and perhaps
other systems. Do not shrink the stack and do not exceed
rlim_max. Don't worry about values like RLIM_INFINITY
since in practice they are so large that the code does
the right thing anyway. */
rlim_max. Don't worry about exact values of
RLIM_INFINITY etc. since in practice when they are
nonnegative they are so large that the code does the
right thing anyway. */
long pagesize = getpagesize ();
newlim = min (newlim + pagesize - 1, rlim.rlim_max);
newlim += pagesize - 1;
if (0 <= rlim.rlim_max && rlim.rlim_max < newlim)
newlim = rlim.rlim_max;
newlim -= newlim % pagesize;
if (pagesize <= newlim - lim)