Support for jemalloc to replace dlmalloc.

To use jemalloc, add MALLOC_IMPL = jemalloc in a board config file
and you get the new version automatically.

Update the pthread_create_key tests since jemalloc uses a few keys.
Add a new test to verify memalign works as expected.

Bug: 981363

Change-Id: I16eb152b291a95bd2499e90492fc6b4bd7053836

1 files changed, 33 insertions, 0 deletions

diff --git a/libc/bionic/jemalloc.h b/libc/bionic/jemalloc.h
new file mode 100644
index 000000000..feb1f43a5
--- /dev/null
+++ b/libc/bionic/jemalloc.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef LIBC_BIONIC_JEMALLOC_H_
+#define LIBC_BIONIC_JEMALLOC_H_
+
+#include <jemalloc/jemalloc.h>
+
+// Need to wrap memalign since je_memalign fails on non-power of 2 alignments.
+#define je_memalign je_memalign_round_up_boundary
+
+__BEGIN_DECLS
+
+struct mallinfo je_mallinfo();
+void* je_memalign_round_up_boundary(size_t, size_t);
+void* je_pvalloc(size_t);
+
+__END_DECLS
+
+#endif  // LIBC_BIONIC_DLMALLOC_H_