1 files changed, 83 insertions, 0 deletions
diff --git a/kcontrol/info/memory_tru64.cpp b/kcontrol/info/memory_tru64.cpp
new file mode 100644
index 000000000..667ffbcca
--- /dev/null
+++ b/kcontrol/info/memory_tru64.cpp
@@ -0,0 +1,83 @@
+/*
+ * This is memory_tru64.cpp to retrieve memory information under Tru64/Alpha.
+ *
+ * Implemented by Tom Leitner, [email protected]
+ *
+ * WARNING: This module requires linking with -lmach
+ *
+ * This routine is based on m_decosf1.c from the "top" program written by:
+ *
+ * AUTHOR:  Anthony Baxter, <[email protected]>
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <sys/mbuf.h>
+#include <net/route.h>
+#include <sys/table.h>
+extern "C" {
+#include <mach/mach_traps.h>
+}
+#include <mach/vm_statistics.h>
+
+#define pagetob(size) (MEMORY(1024L) * ((long) (size) << (long) pageshift))
+#define LOG1024       10
+
+extern "C" void vm_statistics(task_t, vm_statistics_data_t*);
+
+void KMemoryWidget::update()
+{
+  int pageshift;          /* log base 2 of the pagesize */
+  register int pagesize;
+  vm_statistics_data_t vmstats;
+  int swap_pages=0,swap_free=0,i;
+  struct tbl_swapinfo swbuf;
+
+  /* get the page size with "getpagesize" and calculate pageshift from it */
+
+  pagesize = getpagesize();
+  pageshift = 0;
+  while (pagesize > 1) {
+      pageshift++;
+      pagesize >>= 1;
+  }
+
+  /* we only need the amount of log(2)1024 for our conversion */
+
+  pageshift -= LOG1024;
+
+  /* memory information */
+  /* this is possibly bogus - we work out total # pages by */
+  /* adding up the free, active, inactive, wired down, and */
+  /* zero filled. Anyone who knows a better way, TELL ME!  */
+  /* Change: dont use zero filled. */
+
+  (void) ::vm_statistics(::task_self(), &vmstats);
+
+  /* thanks DEC for the table() command. No thanks at all for   */
+  /* omitting the man page for it from OSF/1 1.2, and failing   */
+  /* to document SWAPINFO in the 1.3 man page. Lets hear it for */
+  /* include files. */
+
+  i=0;
+  while(table(TBL_SWAPINFO,i,&swbuf,1,sizeof(struct tbl_swapinfo))>0) {
+      swap_pages += swbuf.size;
+      swap_free  += swbuf.free;
+      i++;
+  }
+  Memory_Info[TOTAL_MEM]    = pagetob((vmstats.free_count +
+                                       vmstats.active_count +
+                                       vmstats.inactive_count +
+                                       vmstats.wire_count));
+  Memory_Info[FREE_MEM]     = pagetob(vmstats.free_count);
+  Memory_Info[SHARED_MEM]   = NO_MEMORY_INFO; 		    /* FIXME ?? */
+  Memory_Info[BUFFER_MEM]   = NO_MEMORY_INFO; 		    /* FIXME ?? */
+#ifdef __GNUC__
+#warning "FIXME: Memory_Info[CACHED_MEM]"
+#endif
+  Memory_Info[CACHED_MEM]   = NO_MEMORY_INFO; /* cached memory in ram */
+  Memory_Info[SWAP_MEM]     = pagetob(swap_pages);
+  Memory_Info[FREESWAP_MEM] = pagetob(swap_free);
+}