From b5f8ee61a7f7e9bd291dd26b0585d03eb686c941 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 5 May 2024 13:19:16 +0200
Subject: Adding upstream version 1.46.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/database/engine/rrdenginelib.h | 92 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 src/database/engine/rrdenginelib.h

(limited to 'src/database/engine/rrdenginelib.h')

diff --git a/src/database/engine/rrdenginelib.h b/src/database/engine/rrdenginelib.h
new file mode 100644
index 000000000..e5ceed286
--- /dev/null
+++ b/src/database/engine/rrdenginelib.h
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_RRDENGINELIB_H
+#define NETDATA_RRDENGINELIB_H
+
+#include "libnetdata/libnetdata.h"
+
+/* Forward declarations */
+struct rrdengine_instance;
+
+#define ALIGN_BYTES_FLOOR(x) (((x) / RRDENG_BLOCK_SIZE) * RRDENG_BLOCK_SIZE)
+#define ALIGN_BYTES_CEILING(x) ((((x) + RRDENG_BLOCK_SIZE - 1) / RRDENG_BLOCK_SIZE) * RRDENG_BLOCK_SIZE)
+
+typedef uintptr_t rrdeng_stats_t;
+
+#ifdef __ATOMIC_RELAXED
+#define rrd_atomic_fetch_add(p, n) __atomic_fetch_add(p, n, __ATOMIC_RELAXED)
+#define rrd_atomic_add_fetch(p, n) __atomic_add_fetch(p, n, __ATOMIC_RELAXED)
+#else
+#define rrd_atomic_fetch_add(p, n) __sync_fetch_and_add(p, n)
+#define rrd_atomic_add_fetch(p, n) __sync_add_and_fetch(p, n)
+#endif
+
+#define rrd_stat_atomic_add(p, n) rrd_atomic_fetch_add(p, n)
+
+/* returns -1 if it didn't find the first cleared bit, the position otherwise. Starts from LSB. */
+static inline int find_first_zero(unsigned x)
+{
+    return ffs((int)(~x)) - 1;
+}
+
+/* Starts from LSB. */
+static inline uint8_t check_bit(unsigned x, size_t pos)
+{
+    return !!(x & (1 << pos));
+}
+
+/* Starts from LSB. val is 0 or 1 */
+static inline void modify_bit(unsigned *x, unsigned pos, uint8_t val)
+{
+    switch(val) {
+    case 0:
+        *x &= ~(1U << pos);
+        break;
+    case 1:
+        *x |= 1U << pos;
+        break;
+    default:
+        netdata_log_error("modify_bit() called with invalid argument.");
+        break;
+    }
+}
+
+#define RRDENG_PATH_MAX (FILENAME_MAX + 1)
+
+/* returns old *ptr value */
+static inline unsigned long ulong_compare_and_swap(volatile unsigned long *ptr,
+                                                   unsigned long oldval, unsigned long newval)
+{
+    return __sync_val_compare_and_swap(ptr, oldval, newval);
+}
+
+#ifndef O_DIRECT
+/* Workaround for OS X */
+#define O_DIRECT (0)
+#endif
+
+static inline int crc32cmp(void *crcp, uLong crc)
+{
+    uint32_t loaded_crc;
+    memcpy(&loaded_crc, crcp, sizeof(loaded_crc));
+    return (loaded_crc != crc);
+}
+
+static inline void crc32set(void *crcp, uLong crc)
+{
+    uint32_t store_crc = (uint32_t) crc;
+    memcpy(crcp, &store_crc, sizeof(store_crc));
+}
+
+int check_file_properties(uv_file file, uint64_t *file_size, size_t min_size);
+int open_file_for_io(char *path, int flags, uv_file *file, int direct);
+static inline int open_file_direct_io(char *path, int flags, uv_file *file)
+{
+    return open_file_for_io(path, flags, file, 1);
+}
+static inline int open_file_buffered_io(char *path, int flags, uv_file *file)
+{
+    return open_file_for_io(path, flags, file, 0);
+}
+
+#endif /* NETDATA_RRDENGINELIB_H */
-- 
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