1 files changed, 0 insertions, 145 deletions
diff --git a/winsup/cygwin/heap.cc b/winsup/cygwin/heap.cc
deleted file mode 100644
index 9a3e2b8..0000000
--- a/winsup/cygwin/heap.cc
+++ /dev/null
@@ -1,145 +0,0 @@
-/* heap.cc: Cygwin heap manager.
-
-   Copyright 1996, 1997, 1998, 1999, 2000, 2001 Red Hat, Inc.
-
-This file is part of Cygwin.
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-#include "winsup.h"
-#include <errno.h>
-#include "cygerrno.h"
-#include "sync.h"
-#include "sigproc.h"
-#include "pinfo.h"
-#include "heap.h"
-#include "shared_info.h"
-#include "security.h"
-#include "fhandler.h"
-#include "path.h"
-#include "dtable.h"
-#include "cygheap.h"
-
-#define assert(x)
-
-static unsigned page_const;
-
-extern "C" size_t getpagesize ();
-
-/* Initialize the heap at process start up.  */
-
-void
-heap_init ()
-{
-  /* If we're the forkee, we must allocate the heap at exactly the same place
-     as our parent.  If not, we don't care where it ends up.  */
-
-  page_const = system_info.dwPageSize;
-  if (cygheap->heapbase)
-    {
-      DWORD chunk = cygwin_shared->heap_chunk_size ();	/* allocation chunk */
-      /* total size commited in parent */
-      DWORD allocsize = (char *) cygheap->heaptop - (char *) cygheap->heapbase;
-      /* round up by chunk size */
-      DWORD reserve_size = chunk * ((allocsize + (chunk - 1)) / chunk);
-
-      /* Loop until we've managed to reserve an adequate amount of memory. */
-      char *p;
-      for (;;)
-	{
-	  p = (char *) VirtualAlloc (cygheap->heapbase, reserve_size,
-				     MEM_RESERVE, PAGE_READWRITE);
-	  if (p)
-	    break;
-	  if ((reserve_size -= page_const) <= allocsize)
-	    break;
-	}
-      if (p == NULL)
-	api_fatal ("1. unable to allocate heap %p, heap_chunk_size %d, pid %d, %E",
-		   cygheap->heapbase, cygwin_shared->heap_chunk_size (), myself->pid);
-      if (p != cygheap->heapbase)
-	api_fatal ("heap allocated but not at %p", cygheap->heapbase);
-      if (! VirtualAlloc (cygheap->heapbase, allocsize, MEM_COMMIT, PAGE_READWRITE))
-	api_fatal ("MEM_COMMIT failed, %E");
-    }
-  else
-    {
-      /* Initialize page mask and default heap size.  Preallocate a heap
-       * to assure contiguous memory.  */
-      cygheap->heapptr = cygheap->heaptop = cygheap->heapbase =
-	VirtualAlloc(NULL, cygwin_shared->heap_chunk_size (), MEM_RESERVE,
-		     PAGE_NOACCESS);
-      if (cygheap->heapbase == NULL)
-	api_fatal ("2. unable to allocate heap, heap_chunk_size %d, %E",
-		   cygwin_shared->heap_chunk_size ());
-    }
-
-  debug_printf ("heap base %p, heap top %p", cygheap->heapbase,
-		cygheap->heaptop);
-  page_const--;
-  malloc_init ();
-}
-
-#define pround(n) (((size_t)(n) + page_const) & ~page_const)
-
-/* FIXME: This function no longer handles "split heaps". */
-
-extern "C" void *
-_sbrk(int n)
-{
-  sigframe thisframe (mainthread);
-  char *newtop, *newbrk;
-  unsigned commitbytes, newbrksize;
-
-  if (n == 0)
-    return cygheap->heapptr;			/* Just wanted to find current cygheap->heapptr address */
-
-  newbrk = (char *) cygheap->heapptr + n;	/* Where new cygheap->heapptr will be */
-  newtop = (char *) pround (newbrk);		/* Actual top of allocated memory -
-						   on page boundary */
-
-  if (newtop == cygheap->heaptop)
-    goto good;
-
-  if (n < 0)
-    {						/* Freeing memory */
-      assert(newtop < cygheap->heaptop);
-      n = (char *) cygheap->heaptop - newtop;
-      if (VirtualFree(newtop, n, MEM_DECOMMIT)) /* Give it back to OS */
-	goto good;				/*  Didn't take */
-      else
-	goto err;
-    }
-
-  assert(newtop > cygheap->heaptop);
-
-  /* Need to grab more pages from the OS.  If this fails it may be because
-   * we have used up previously reserved memory.  Or, we're just plumb out
-   * of memory.  */
-  commitbytes = pround (newtop - (char *) cygheap->heaptop);
-  if (VirtualAlloc(cygheap->heaptop, commitbytes, MEM_COMMIT, PAGE_READWRITE) != NULL)
-    goto good;
-
-  /* Couldn't allocate memory.  Maybe we can reserve some more.
-     Reserve either the maximum of the standard cygwin_shared->heap_chunk_size () or the requested
-     amount.  Then attempt to actually allocate it.  */
-
-  if ((newbrksize = cygwin_shared->heap_chunk_size ()) < commitbytes)
-    newbrksize = commitbytes;
-
-  if ((VirtualAlloc(cygheap->heaptop, newbrksize, MEM_RESERVE, PAGE_NOACCESS) != NULL) &&
-      (VirtualAlloc(cygheap->heaptop, commitbytes, MEM_COMMIT, PAGE_READWRITE) != NULL))
-    goto good;
-
-err:
-  set_errno (ENOMEM);
-  return (void *) -1;
-
-good:
-  void *oldbrk = cygheap->heapptr;
-  cygheap->heapptr = newbrk;
-  cygheap->heaptop = newtop;
-  return oldbrk;
-}