aboutsummaryrefslogtreecommitdiff
path: root/externals/jemalloc/include/internal/chunk.h
diff options
context:
space:
mode:
authorXanadu <none@none>2010-07-17 22:58:24 +0200
committerXanadu <none@none>2010-07-17 22:58:24 +0200
commitb5f8bfd66561e4a63fa8c28961b829a35ceb2fb0 (patch)
tree6691fda7c0985077aeb6ff3a93e829447dddd736 /externals/jemalloc/include/internal/chunk.h
parentec244dbe366e84a93c8fa1ef294af4a2e4e3b0b1 (diff)
parentdc510c9a143de1977daedea0aefb9589c01adde2 (diff)
Merge
--HG-- branch : trunk
Diffstat (limited to 'externals/jemalloc/include/internal/chunk.h')
-rw-r--r--externals/jemalloc/include/internal/chunk.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/externals/jemalloc/include/internal/chunk.h b/externals/jemalloc/include/internal/chunk.h
new file mode 100644
index 00000000000..1f6abf782f1
--- /dev/null
+++ b/externals/jemalloc/include/internal/chunk.h
@@ -0,0 +1,61 @@
+/******************************************************************************/
+#ifdef JEMALLOC_H_TYPES
+
+/*
+ * Size and alignment of memory chunks that are allocated by the OS's virtual
+ * memory system.
+ */
+#define LG_CHUNK_DEFAULT 22
+
+/* Return the chunk address for allocation address a. */
+#define CHUNK_ADDR2BASE(a) \
+ ((void *)((uintptr_t)(a) & ~chunksize_mask))
+
+/* Return the chunk offset of address a. */
+#define CHUNK_ADDR2OFFSET(a) \
+ ((size_t)((uintptr_t)(a) & chunksize_mask))
+
+/* Return the smallest chunk multiple that is >= s. */
+#define CHUNK_CEILING(s) \
+ (((s) + chunksize_mask) & ~chunksize_mask)
+
+#endif /* JEMALLOC_H_TYPES */
+/******************************************************************************/
+#ifdef JEMALLOC_H_STRUCTS
+
+#endif /* JEMALLOC_H_STRUCTS */
+/******************************************************************************/
+#ifdef JEMALLOC_H_EXTERNS
+
+extern size_t opt_lg_chunk;
+#ifdef JEMALLOC_SWAP
+extern bool opt_overcommit;
+#endif
+
+#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
+/* Protects stats_chunks; currently not used for any other purpose. */
+extern malloc_mutex_t chunks_mtx;
+/* Chunk statistics. */
+extern chunk_stats_t stats_chunks;
+#endif
+
+extern size_t chunksize;
+extern size_t chunksize_mask; /* (chunksize - 1). */
+extern size_t chunk_npages;
+extern size_t arena_chunk_header_npages;
+extern size_t arena_maxclass; /* Max size class for arenas. */
+
+void *chunk_alloc(size_t size, bool *zero);
+void chunk_dealloc(void *chunk, size_t size);
+bool chunk_boot(void);
+
+#endif /* JEMALLOC_H_EXTERNS */
+/******************************************************************************/
+#ifdef JEMALLOC_H_INLINES
+
+#endif /* JEMALLOC_H_INLINES */
+/******************************************************************************/
+
+#include "jemalloc/internal/chunk_swap.h"
+#include "jemalloc/internal/chunk_dss.h"
+#include "jemalloc/internal/chunk_mmap.h"