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mdbx: исправление авто-установки MDBX_ENV_CHECKPID для случая MDBX_ENABLE_MADVISE=0.

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Леонид Юрьев (Leonid Yuriev)
2023-11-11 00:00:33 +03:00
parent dea6570fc1
commit 6477e6c5de
1 changed files with 9 additions and 8 deletions
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17
src/options.h
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@@ -28,9 +28,17 @@
#define MDBX_OSX_SPEED_INSTEADOF_DURABILITY MDBX_OSX_WANNA_DURABILITY
#endif /* MDBX_OSX_SPEED_INSTEADOF_DURABILITY */
/** Controls using of POSIX' madvise() and/or similar hints. */
#ifndef MDBX_ENABLE_MADVISE
#define MDBX_ENABLE_MADVISE 1
#elif !(MDBX_ENABLE_MADVISE == 0 || MDBX_ENABLE_MADVISE == 1)
#error MDBX_ENABLE_MADVISE must be defined as 0 or 1
#endif /* MDBX_ENABLE_MADVISE */
/** Controls checking PID against reuse DB environment after the fork() */
#ifndef MDBX_ENV_CHECKPID
#if defined(MADV_DONTFORK) || defined(_WIN32) || defined(_WIN64)
#if (defined(MADV_DONTFORK) && MDBX_ENABLE_MADVISE) || defined(_WIN32) || \
defined(_WIN64)
/* PID check could be omitted:
* - on Linux when madvise(MADV_DONTFORK) is available, i.e. after the fork()
* mapped pages will not be available for child process.
@@ -117,13 +125,6 @@
#error MDBX_ENABLE_BIGFOOT must be defined as 0 or 1
#endif /* MDBX_ENABLE_BIGFOOT */
/** Controls using of POSIX' madvise() and/or similar hints. */
#ifndef MDBX_ENABLE_MADVISE
#define MDBX_ENABLE_MADVISE 1
#elif !(MDBX_ENABLE_MADVISE == 0 || MDBX_ENABLE_MADVISE == 1)
#error MDBX_ENABLE_MADVISE must be defined as 0 or 1
#endif /* MDBX_ENABLE_MADVISE */
/** Disable some checks to reduce an overhead and detection probability of
* database corruption to a values closer to the LMDB. */
#ifndef MDBX_DISABLE_VALIDATION