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-rw-r--r--storeio/ChangeLog5
-rw-r--r--storeio/dev.c11
2 files changed, 11 insertions, 5 deletions
diff --git a/storeio/ChangeLog b/storeio/ChangeLog
index 9a77f0ed..89ad36cc 100644
--- a/storeio/ChangeLog
+++ b/storeio/ChangeLog
@@ -3,6 +3,11 @@
* dev.c: Add #include <sys/mman.h> for munmap decl.
* pager.c: Likewise.
+1999-07-09 Thomas Bushnell, BSG <tb@mit.edu>
+
+ * dev.c (dev_open): Use mmap instead of vm_allocate.
+ (dev_read): Likewise.
+
1999-07-03 Thomas Bushnell, BSG <tb@mit.edu>
* dev.c (dev_buf_fill): Use munmap instead of vm_deallocate.
diff --git a/storeio/dev.c b/storeio/dev.c
index 70347c7c..4c7b63da 100644
--- a/storeio/dev.c
+++ b/storeio/dev.c
@@ -154,8 +154,9 @@ dev_open (struct store_parsed *name, int flags, int inhibit_cache,
return err;
}
- if (vm_allocate (mach_task_self (),
- (vm_address_t *)&new->buf, new->store->block_size, 1))
+ new->buf = mmap (0, new->store->block_size, PROT_READ|PROT_WRITE,
+ MAP_ANON, 0, 0);
+ if (new->buf == (void *) -1)
{
store_free (new->store);
free (new);
@@ -373,9 +374,9 @@ dev_read (struct dev *dev, off_t offs, size_t whole_amount,
error_t err;
if (*len < whole_amount)
{
- err = vm_allocate (mach_task_self (),
- (vm_address_t *)buf, whole_amount, 1);
- if (! err)
+ *buf = mmap (0, whole_amount, PROT_READ|PROT_WRITE,
+ MAP_ANON, 0, 0);
+ if (*buf != (void *) -1)
allocated_buf = 1;
}
else