Add a new SkMemory implementation that uses mozalloc instead of malloc

git-svn-id: http://skia.googlecode.com/svn/trunk@5292 2bbb7eff-a529-9590-31e7-b0007b416f81

diff --git a/src/ports/SkMemory_mozalloc.cpp b/src/ports/SkMemory_mozalloc.cpp
new file mode 100644 (file)
index 0000000..1f16ee5
--- /dev/null
+++ b/src/ports/SkMemory_mozalloc.cpp
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2011 Google Inc.
+ * Copyright 2012 Mozilla Foundation
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkTypes.h"
+
+#include "mozilla/mozalloc.h"
+#include "mozilla/mozalloc_abort.h"
+#include "mozilla/mozalloc_oom.h"
+
+void sk_throw() {
+    SkDEBUGFAIL("sk_throw");
+    mozalloc_abort("Abort from sk_throw");
+}
+
+void sk_out_of_memory(void) {
+    SkDEBUGFAIL("sk_out_of_memory");
+    mozalloc_handle_oom(0);
+}
+
+void* sk_malloc_throw(size_t size) {
+    return sk_malloc_flags(size, SK_MALLOC_THROW);
+}
+
+void* sk_realloc_throw(void* addr, size_t size) {
+    return moz_xrealloc(addr, size);
+}
+
+void sk_free(void* p) {
+    moz_free(p);
+}
+
+void* sk_malloc_flags(size_t size, unsigned flags) {
+    return (flags & SK_MALLOC_THROW) ? moz_xmalloc(size) : moz_malloc(size);
+}
+