libdispatch-187.5.tar.gz

[apple/libdispatch.git] / src / shims / malloc_zone.h

diff --git a/src/shims/malloc_zone.h b/src/shims/malloc_zone.h
new file mode 100644 (file)
index 0000000..3975b4f
--- /dev/null
+++ b/src/shims/malloc_zone.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2009 Apple Inc. All rights reserved.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_START@
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_END@
+ */
+
+#ifndef __DISPATCH_SHIMS_MALLOC_ZONE__
+#define __DISPATCH_SHIMS_MALLOC_ZONE__
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+
+/*
+ * Implement malloc zones as a simple wrapper around malloc(3) on systems
+ * that don't support them.
+ */
+#if !HAVE_MALLOC_CREATE_ZONE
+typedef void * malloc_zone_t;
+
+static inline malloc_zone_t *
+malloc_create_zone(size_t start_size, unsigned flags)
+{
+
+       return ((void *)(-1));
+}
+
+static inline void
+malloc_destroy_zone(malloc_zone_t *zone)
+{
+
+}
+
+static inline malloc_zone_t *
+malloc_default_zone(void)
+{
+
+       return ((void *)(-1));
+}
+
+static inline malloc_zone_t *
+malloc_zone_from_ptr(const void *ptr)
+{
+
+       return ((void *)(-1));
+}
+
+static inline void *
+malloc_zone_malloc(malloc_zone_t *zone, size_t size)
+{
+
+       return (malloc(size));
+}
+
+static inline void *
+malloc_zone_calloc(malloc_zone_t *zone, size_t num_items, size_t size)
+{
+
+       return (calloc(num_items, size));
+}
+
+static inline void *
+malloc_zone_realloc(malloc_zone_t *zone, void *ptr, size_t size)
+{
+
+       return (realloc(ptr, size));
+}
+
+static inline void
+malloc_zone_free(malloc_zone_t *zone, void *ptr)
+{
+
+       free(ptr);
+}
+
+static inline void
+malloc_set_zone_name(malloc_zone_t *zone, const char *name)
+{
+
+       /* No-op. */
+}
+#endif
+
+#endif /* __DISPATCH_SHIMS_MALLOC_ZONE__ */