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author | Dave Love <fx@gnu.org> | 2000-09-08 14:10:07 +0000 |
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committer | Dave Love <fx@gnu.org> | 2000-09-08 14:10:07 +0000 |
commit | 874568323b2ff397a862b7c59cef89d381790b60 (patch) | |
tree | 79f5eb6b7b264051f58665941c1d49a3105a3c38 /src/ralloc.c | |
parent | f02494877db0da85c9fc70d970f3e6d2fb56c5d8 (diff) | |
download | emacs-874568323b2ff397a862b7c59cef89d381790b60.tar.gz |
(r_alloc_init_fd): Conditionalize on MAP_ANON.
Diffstat (limited to 'src/ralloc.c')
-rw-r--r-- | src/ralloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/ralloc.c b/src/ralloc.c index f6ae887f4c1..65015d5f374 100644 --- a/src/ralloc.c +++ b/src/ralloc.c @@ -1322,10 +1322,12 @@ void r_alloc_free P_ ((POINTER_TYPE **ptr)); void r_alloc_init_fd () { +#if !MAP_ANON /* No anonymous mmap -- we need the file descriptor. */ mmap_fd = open ("/dev/zero", O_RDONLY); if (mmap_fd < 0) fatal ("cannot open /dev/zero"); +#endif } /* Return a region overlapping address range START...END, or null if |