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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 11:19:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:53:24 +0000 |
commit | b5f8ee61a7f7e9bd291dd26b0585d03eb686c941 (patch) | |
tree | d4d31289c39fc00da064a825df13a0b98ce95b10 /src/database/engine/rrdenginelib.h | |
parent | Adding upstream version 1.44.3. (diff) | |
download | netdata-upstream.tar.xz netdata-upstream.zip |
Adding upstream version 1.46.3.upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/database/engine/rrdenginelib.h')
-rw-r--r-- | src/database/engine/rrdenginelib.h | 92 |
1 files changed, 92 insertions, 0 deletions
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 */ |