Merging upstream version 1.38.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/libnetdata/aral/aral.h b/libnetdata/aral/aral.h
new file mode 100644
index 000000000..96f5a9c44
--- /dev/null
+++ b/libnetdata/aral/aral.h
@@ -0,0 +1,69 @@
+
+#ifndef ARAL_H
+#define ARAL_H 1
+
+#include "../libnetdata.h"
+
+#define ARAL_MAX_NAME 23
+
+typedef struct aral ARAL;
+
+struct aral_statistics {
+    struct {
+        size_t allocations;
+        size_t allocated_bytes;
+    } structures;
+
+    struct {
+        size_t allocations;
+        size_t allocated_bytes;
+        size_t used_bytes;
+    } malloc;
+
+    struct {
+        size_t allocations;
+        size_t allocated_bytes;
+        size_t used_bytes;
+    } mmap;
+};
+
+ARAL *aral_create(const char *name, size_t element_size, size_t initial_page_elements, size_t max_page_size,
+                  struct aral_statistics *stats, const char *filename, char **cache_dir, bool mmap, bool lockless);
+size_t aral_element_size(ARAL *ar);
+size_t aral_overhead(ARAL *ar);
+size_t aral_structures(ARAL *ar);
+struct aral_statistics *aral_statistics(ARAL *ar);
+size_t aral_structures_from_stats(struct aral_statistics *stats);
+size_t aral_overhead_from_stats(struct aral_statistics *stats);
+
+ARAL *aral_by_size_acquire(size_t size);
+void aral_by_size_release(ARAL *ar);
+size_t aral_by_size_structures(void);
+size_t aral_by_size_overhead(void);
+struct aral_statistics *aral_by_size_statistics(void);
+
+int aral_unittest(size_t elements);
+
+#ifdef NETDATA_TRACE_ALLOCATIONS
+
+#define aral_mallocz(ar) aral_mallocz_internal(ar, __FILE__, __FUNCTION__, __LINE__)
+#define aral_freez(ar, ptr) aral_freez_internal(ar, ptr, __FILE__, __FUNCTION__, __LINE__)
+#define aral_destroy(ar) aral_destroy_internal(ar, __FILE__, __FUNCTION__, __LINE__)
+
+void *aral_mallocz_internal(ARAL *ar, const char *file, const char *function, size_t line);
+void aral_freez_internal(ARAL *ar, void *ptr, const char *file, const char *function, size_t line);
+void aral_destroy_internal(ARAL *ar, const char *file, const char *function, size_t line);
+
+#else // NETDATA_TRACE_ALLOCATIONS
+
+#define aral_mallocz(ar) aral_mallocz_internal(ar)
+#define aral_freez(ar, ptr) aral_freez_internal(ar, ptr)
+#define aral_destroy(ar) aral_destroy_internal(ar)
+
+void *aral_mallocz_internal(ARAL *ar);
+void aral_freez_internal(ARAL *ar, void *ptr);
+void aral_destroy_internal(ARAL *ar);
+
+#endif // NETDATA_TRACE_ALLOCATIONS
+
+#endif // ARAL_H