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authorDave Love <fx@gnu.org>2000-09-08 14:10:31 +0000
committerDave Love <fx@gnu.org>2000-09-08 14:10:31 +0000
commit423193c55298af7adee7999ecfb9c8ef54572afb (patch)
treed2ff385215c219b99a7995d2c3a493106f7871c8 /src
parent0460aa783ece2fe09bd7a8f7ec7338c95202b7d0 (diff)
downloademacs-423193c55298af7adee7999ecfb9c8ef54572afb.tar.gz
(r_alloc_init_fd): Conditionalize on MAP_ANON.
Diffstat (limited to 'src')
-rw-r--r--src/ChangeLog17
-rw-r--r--src/ralloc.c2
2 files changed, 19 insertions, 0 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index fbea366446f..88902089325 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -13,6 +13,23 @@
2000-09-08 Dave Love <fx@gnu.org>
+ * s/sol2.h (REL_ALLOC_MMAP): Define.
+ * s/irix5-0.h (REL_ALLOC_MMAP): Likewise.
+
+ * ralloc.c: Don't include string.h (redundant).
+ (MAP_ANON) [REL_ALLOC_MMAP]: Ensure it's defined.
+ [!MAP_ANON]: Include fcntl.h.
+ (mmap_fd) [REL_ALLOC_MMAP]: New variable.
+ (r_alloc, r_re_alloc, r_alloc_free)
+ (mmap_enlarge, mmap_set_vars): Use it.
+ (r_alloc_init_fd): New function.
+ (__morecore) [SYSTEM_MALLOC]: Don't declare.
+ (r_alloc_init): Call r_alloc_init_fd. Conditionalize stuff on
+ malloc type.
+
+ * Makefile.in (allocaobj) [!SYSTEM_MALLOC && REL_ALLOC_MMAP]:
+ Remove vm-limit.o.
+
* unexelf.c (SHT_MIPS_DEBUG, HDRR) [__mips__]: Really confine last
change to __NetBSD__.
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