Initial commit of upstream NSPR (4.7.3) and NSS3 (3.12).

third_party/nspr/mozilla/nsprpub/lib/msgc/src/macgc.c

Index: third_party/nspr/mozilla/nsprpub/lib/msgc/src/macgc.c
diff --git a/third_party/nspr/mozilla/nsprpub/lib/msgc/src/macgc.c b/third_party/nspr/mozilla/nsprpub/lib/msgc/src/macgc.c
new file mode 100644
index 0000000000000000000000000000000000000000..eafc28e849a716b8f911d3da325fd27aa83ca80f
--- /dev/null
+++ b/third_party/nspr/mozilla/nsprpub/lib/msgc/src/macgc.c
@@ -0,0 +1,75 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape Portable Runtime (NSPR).
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "primpl.h"
+#include "MacMemAllocator.h"
+
+void _MD_InitGC() {}
+
+void *_MD_GrowGCHeap(size_t *sizep)
+{
+	void			*heapPtr = NULL;
+	size_t			heapSize = *sizep;
+	
+	// In previous versions of this code we tried to allocate GC heaps from the application
+	// heap.  In the 4.0 application, we try to keep our app heap allications to a minimum
+	// and instead go through our own memory allocation routines.
+	heapPtr = malloc(heapSize);
+	
+	if (heapPtr == NULL) {		
+		FreeMemoryStats		stats;
+		
+		memtotal(heapSize, &stats);		// How much can we allcoate?
+		
+		if (stats.maxBlockSize < heapSize)
+			heapSize = stats.maxBlockSize;
+		
+		heapPtr = malloc(heapSize);
+		
+		if (heapPtr == NULL) 			// Now we're hurting
+			heapSize = 0;
+	}
+	
+	*sizep = heapSize;
+	return heapPtr;
+}
+
+
+void _MD_FreeGCSegment(void *base, int32 /* len */)
+{
+	free(base);
+}