diff options
Diffstat (limited to 'database/engine/rrdenginelib.h')
| -rw-r--r-- | database/engine/rrdenginelib.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/database/engine/rrdenginelib.h b/database/engine/rrdenginelib.h index bb6f072bf..36d414e89 100644 --- a/database/engine/rrdenginelib.h +++ b/database/engine/rrdenginelib.h @@ -6,11 +6,17 @@ #include "rrdengine.h" /* Forward declarations */ -struct rrdeng_page_cache_descr; +struct rrdeng_page_descr; #define STR_HELPER(x) #x #define STR(x) STR_HELPER(x) +#define BITS_PER_ULONG (sizeof(unsigned long) * 8) + +#ifndef UUID_STR_LEN +#define UUID_STR_LEN (37) +#endif + /* Taken from linux kernel */ #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) @@ -25,6 +31,15 @@ typedef uintptr_t rrdeng_stats_t; #define rrd_stat_atomic_add(p, n) do {(void) __sync_fetch_and_add(p, n);} while(0) #endif +#define RRDENG_PATH_MAX (4096) + +/* 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) @@ -77,8 +92,10 @@ static inline void crc32set(void *crcp, uLong crc) *(uint32_t *)crcp = crc; } -extern void print_page_cache_descr(struct rrdeng_page_cache_descr *page_cache_descr); +extern void print_page_cache_descr(struct rrdeng_page_descr *page_cache_descr); +extern void print_page_descr(struct rrdeng_page_descr *descr); extern int check_file_properties(uv_file file, uint64_t *file_size, size_t min_size); +extern int open_file_direct_io(char *path, int flags, uv_file *file); extern char *get_rrdeng_statistics(struct rrdengine_instance *ctx, char *str, size_t size); #endif /* NETDATA_RRDENGINELIB_H */
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