*
* ---------------------------------------------------------------------------*/
-/* This is non-posix compliant. */
-/* #include "PosixSource.h" */
+// This is non-posix compliant.
+// #include "PosixSource.h"
#include "Rts.h"
-#include "OSMem.h"
-#include "RtsFlags.h"
+
+#include "RtsUtils.h"
+#include "sm/OSMem.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#include <mach/vm_map.h>
#endif
+/* keep track of maps returned by my_mmap */
+typedef struct _map_rec {
+ char* base; /* base addr */
+ int size; /* map size */
+ struct _map_rec* next; /* next pointer */
+} map_rec;
+
+
static caddr_t next_request = 0;
+static map_rec* mmap_rec = NULL;
void osMemInit(void)
{
gen_map_mblocks (lnat size)
{
int slop;
- void *ret;
+ StgWord8 *ret;
// Try to map a larger block, and take the aligned portion from
// it (unmap the rest).
{
caddr_t ret;
lnat size = MBLOCK_SIZE * (lnat)n;
-
+ map_rec* rec;
+
if (next_request == 0) {
// use gen_map_mblocks the first time.
ret = gen_map_mblocks(size);
ret = gen_map_mblocks(size);
}
}
-
+ rec = (map_rec*)stgMallocBytes(sizeof(map_rec),"OSMem: osGetMBlocks");
+ rec->size = size;
+ rec->base = ret;
+ rec->next = mmap_rec;
+ mmap_rec = rec;
// Next time, we'll try to allocate right after the block we just got.
// ToDo: check that we haven't already grabbed the memory at next_request
next_request = ret + size;
void osFreeAllMBlocks(void)
{
- /* XXX Do something here (bug #711) */
+ map_rec* tmp = mmap_rec;
+ map_rec* next = NULL;
+
+ for(; tmp!=NULL;) {
+ if(munmap(tmp->base,tmp->size))
+ barf("osFreeAllMBlocks: munmap failed!");
+
+ next = tmp->next;
+ stgFree(tmp);
+ tmp = next;
+ }
}
lnat getPageSize (void)