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mdbx: refine usage of posix_fadvise()madvise()/posix_madvise()/F_RDADVISE.

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Leonid Yuriev
2019-08-27 21:35:43 +03:00
parent 8329f5b6a1
commit fd0c92927a
2 changed files with 90 additions and 15 deletions
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16
src/osal.h
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@@ -192,6 +192,22 @@ typedef pthread_mutex_t mdbx_fastmutex_t;
#define SSIZE_MAX INTPTR_MAX
#endif
#if !defined(MADV_DODUMP) && defined(MADV_CORE)
#define MADV_DODUMP MADV_CORE
#endif /* MADV_CORE -> MADV_DODUMP */
#if !defined(MADV_DONTDUMP) && defined(MADV_NOCORE)
#define MADV_DONTDUMP MADV_NOCORE
#endif /* MADV_NOCORE -> MADV_DONTDUMP */
#ifndef MADV_REMOVE_OR_FREE
#ifdef MADV_REMOVE
#define MADV_REMOVE_OR_FREE MADV_REMOVE
#elif defined(MADV_FREE)
#define MADV_REMOVE_OR_FREE MADV_FREE
#endif
#endif /* MADV_REMOVE_OR_FREE */
#if defined(i386) || defined(__386) || defined(__i386) || defined(__i386__) || \
defined(i486) || defined(__i486) || defined(__i486__) || \
defined(i586) | defined(__i586) || defined(__i586__) || defined(i686) || \