Use jemalloc as memory allocator on linux.

In comparison to standard glibc allocator,
jemalloc fargments adress space less,
and scales linearly in multithreaded environment.
Author: Jason Evans, mad props to him.

--HG--
branch : trunk

1 files changed, 42 insertions, 0 deletions

diff --git a/dep/include/jemalloc/jemalloc.h b/dep/include/jemalloc/jemalloc.h
new file mode 100644
index 00000000000..d9bafbfff55
--- /dev/null
+++ b/dep/include/jemalloc/jemalloc.h
@@ -0,0 +1,42 @@
+#ifndef JEMALLOC_H_
+#define	JEMALLOC_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define	JEMALLOC_VERSION "1.0.0-0-g5523399"
+#define	JEMALLOC_VERSION_MAJOR 1
+#define	JEMALLOC_VERSION_MINOR 0
+#define	JEMALLOC_VERSION_BUGFIX 0
+#define	JEMALLOC_VERSION_NREV 0
+#define	JEMALLOC_VERSION_GID "5523399"
+
+#include "jemalloc_defs.h"
+#ifndef JEMALLOC_P
+#  define JEMALLOC_P(s) s
+#endif
+
+extern const char	*JEMALLOC_P(malloc_options);
+extern void		(*JEMALLOC_P(malloc_message))(void *, const char *);
+
+void	*JEMALLOC_P(malloc)(size_t size) JEMALLOC_ATTR(malloc);
+void	*JEMALLOC_P(calloc)(size_t num, size_t size) JEMALLOC_ATTR(malloc);
+int	JEMALLOC_P(posix_memalign)(void **memptr, size_t alignment, size_t size)
+    JEMALLOC_ATTR(nonnull(1));
+void	*JEMALLOC_P(realloc)(void *ptr, size_t size);
+void	JEMALLOC_P(free)(void *ptr);
+
+size_t	JEMALLOC_P(malloc_usable_size)(const void *ptr);
+void	JEMALLOC_P(malloc_stats_print)(void (*write_cb)(void *, const char *),
+    void *cbopaque, const char *opts);
+int	JEMALLOC_P(mallctl)(const char *name, void *oldp, size_t *oldlenp,
+    void *newp, size_t newlen);
+int	JEMALLOC_P(mallctlnametomib)(const char *name, size_t *mibp,
+    size_t *miblenp);
+int	JEMALLOC_P(mallctlbymib)(const size_t *mib, size_t miblen, void *oldp,
+    size_t *oldlenp, void *newp, size_t newlen);
+
+#ifdef __cplusplus
+};
+#endif
+#endif /* JEMALLOC_H_ */