mirror of
https://github.com/isar/libmdbx.git
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mdbx: move platform-related options into osal.h
Change-Id: I4bdbc5f89fc468f0068f97cc30f911eb0ab151d3
This commit is contained in:
Leonid Yuriev
parent
d655289d08
commit
ac75fe2604
@ -157,102 +157,6 @@
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/* *INDENT-ON* */
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/* clang-format on */
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#if UINTPTR_MAX > 0xffffFFFFul || ULONG_MAX > 0xffffFFFFul
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#define MDBX_WORDBITS 64
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#else
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#define MDBX_WORDBITS 32
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#endif /* MDBX_WORDBITS */
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#ifndef MDBX_64BIT_ATOMIC
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#if MDBX_WORDBITS >= 64
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#define MDBX_64BIT_ATOMIC 1
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#else
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#define MDBX_64BIT_ATOMIC 0
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#endif
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#define MDBX_64BIT_ATOMIC_CONFIG "AUTO=" STRINGIFY(MDBX_64BIT_ATOMIC)
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#else
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#define MDBX_64BIT_ATOMIC_CONFIG STRINGIFY(MDBX_64BIT_ATOMIC)
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#endif /* MDBX_64BIT_ATOMIC */
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#ifndef MDBX_64BIT_CAS
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#if defined(ATOMIC_LLONG_LOCK_FREE)
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#if ATOMIC_LLONG_LOCK_FREE > 1
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#define MDBX_64BIT_CAS 1
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#else
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#define MDBX_64BIT_CAS 0
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#endif
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#elif defined(__GCC_ATOMIC_LLONG_LOCK_FREE)
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#if __GCC_ATOMIC_LLONG_LOCK_FREE > 1
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#define MDBX_64BIT_CAS 1
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#else
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#define MDBX_64BIT_CAS 0
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#endif
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#elif defined(__CLANG_ATOMIC_LLONG_LOCK_FREE)
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#if __CLANG_ATOMIC_LLONG_LOCK_FREE > 1
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#define MDBX_64BIT_CAS 1
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#else
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#define MDBX_64BIT_CAS 0
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#endif
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#elif defined(_MSC_VER) || defined(__APPLE__)
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#define MDBX_64BIT_CAS 1
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#else
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#define MDBX_64BIT_CAS MDBX_64BIT_ATOMIC
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#endif
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#define MDBX_64BIT_CAS_CONFIG "AUTO=" STRINGIFY(MDBX_64BIT_CAS)
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#else
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#define MDBX_64BIT_CAS_CONFIG STRINGIFY(MDBX_64BIT_CAS)
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#endif /* MDBX_64BIT_CAS */
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#define MDBX_LOCKING_WIN32FILES -1
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#define MDBX_LOCKING_SYSV 5 /* SystemV IPC semaphores */
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#define MDBX_LOCKING_POSIX1988 1988 /* POSIX-1 Shared anonymous semaphores */
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#define MDBX_LOCKING_POSIX2001 2001 /* POSIX-2001 Shared Mutexes */
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#define MDBX_LOCKING_POSIX2008 2008 /* POSIX-2008 Robust Mutexes */
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#define MDBX_LOCKING_BENAPHORE 1995 /* BeOS Benaphores, aka Futexes */
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#if defined(_WIN32) || defined(_WIN64)
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#define MDBX_LOCKING MDBX_LOCKING_WIN32FILES
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#else
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#ifndef MDBX_LOCKING
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#if defined(_POSIX_THREAD_PROCESS_SHARED) && \
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_POSIX_THREAD_PROCESS_SHARED >= 200112L && !defined(__FreeBSD__)
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/* Some platforms define the EOWNERDEAD error code even though they
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* don't support Robust Mutexes. If doubt compile with -MDBX_LOCKING=2001. */
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#if defined(EOWNERDEAD) && _POSIX_THREAD_PROCESS_SHARED >= 200809L && \
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(defined(_POSIX_THREAD_ROBUST_PRIO_INHERIT) || \
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defined(_POSIX_THREAD_ROBUST_PRIO_PROTECT) || \
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defined(PTHREAD_MUTEX_ROBUST) || defined(PTHREAD_MUTEX_ROBUST_NP)) && \
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(!defined(__GLIBC__) || \
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__GLIBC_PREREQ(2, 10) /* troubles with Robust mutexes before 2.10 */)
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#define MDBX_LOCKING MDBX_LOCKING_POSIX2008
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#else
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#define MDBX_LOCKING MDBX_LOCKING_POSIX2001
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#endif
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#elif defined(__sun) || defined(__SVR4) || defined(__svr4__)
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#define MDBX_LOCKING MDBX_LOCKING_POSIX1988
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#else
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#define MDBX_LOCKING MDBX_LOCKING_SYSV
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#endif
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#define MDBX_LOCKING_CONFIG "AUTO=" STRINGIFY(MDBX_LOCKING)
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#else
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#define MDBX_LOCKING_CONFIG STRINGIFY(MDBX_LOCKING)
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#endif /* MDBX_LOCKING */
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#endif /* !Windows */
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#ifndef MDBX_USE_OFDLOCKS
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#if defined(F_OFD_SETLK) && defined(F_OFD_SETLKW) && defined(F_OFD_GETLK) && \
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!defined(MDBX_SAFE4QEMU) && \
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!defined(__sun) /* OFD-lock are broken on Solaris */
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#define MDBX_USE_OFDLOCKS 1
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#else
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#define MDBX_USE_OFDLOCKS 0
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#endif
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#define MDBX_USE_OFDLOCKS_CONFIG "AUTO=" STRINGIFY(MDBX_USE_OFDLOCKS)
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#else
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#define MDBX_USE_OFDLOCKS_CONFIG STRINGIFY(MDBX_USE_OFDLOCKS)
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#endif /* MDBX_USE_OFDLOCKS */
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/* Controls checking PID against reuse DB environment after the fork() */
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#ifndef MDBX_TXN_CHECKPID
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#if defined(MADV_DONTFORK) || defined(_WIN32) || defined(_WIN64)
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@ -283,19 +187,6 @@
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extern LIBMDBX_API const char *const mdbx_sourcery_anchor;
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#endif
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/* Does a system have battery-backed Real-Time Clock or just a fake. */
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#ifndef MDBX_TRUST_RTC
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#if defined(__linux__) || defined(__gnu_linux__) || defined(__NetBSD__) || \
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defined(__OpenBSD__)
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#define MDBX_TRUST_RTC 0 /* a lot of embedded systems have a fake RTC */
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#else
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#define MDBX_TRUST_RTC 1
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#endif
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#define MDBX_TRUST_RTC_CONFIG "AUTO=" STRINGIFY(MDBX_TRUST_RTC)
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#else
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#define MDBX_TRUST_RTC_CONFIG STRINGIFY(MDBX_TRUST_RTC)
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#endif /* MDBX_TRUST_RTC */
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/*----------------------------------------------------------------------------*/
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/* Basic constants and types */
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@ -954,3 +954,114 @@ MDBX_INTERNAL_VAR MDBX_OfferVirtualMemory mdbx_OfferVirtualMemory;
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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/*----------------------------------------------------------------------------*/
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#if UINTPTR_MAX > 0xffffFFFFul || ULONG_MAX > 0xffffFFFFul
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#define MDBX_WORDBITS 64
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#else
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#define MDBX_WORDBITS 32
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#endif /* MDBX_WORDBITS */
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#ifndef MDBX_64BIT_ATOMIC
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#if MDBX_WORDBITS >= 64
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#define MDBX_64BIT_ATOMIC 1
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#else
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#define MDBX_64BIT_ATOMIC 0
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#endif
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#define MDBX_64BIT_ATOMIC_CONFIG "AUTO=" STRINGIFY(MDBX_64BIT_ATOMIC)
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#else
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#define MDBX_64BIT_ATOMIC_CONFIG STRINGIFY(MDBX_64BIT_ATOMIC)
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#endif /* MDBX_64BIT_ATOMIC */
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#ifndef MDBX_64BIT_CAS
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#if defined(ATOMIC_LLONG_LOCK_FREE)
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#if ATOMIC_LLONG_LOCK_FREE > 1
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#define MDBX_64BIT_CAS 1
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#else
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#define MDBX_64BIT_CAS 0
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#endif
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#elif defined(__GCC_ATOMIC_LLONG_LOCK_FREE)
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#if __GCC_ATOMIC_LLONG_LOCK_FREE > 1
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#define MDBX_64BIT_CAS 1
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#else
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#define MDBX_64BIT_CAS 0
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#endif
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#elif defined(__CLANG_ATOMIC_LLONG_LOCK_FREE)
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#if __CLANG_ATOMIC_LLONG_LOCK_FREE > 1
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#define MDBX_64BIT_CAS 1
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#else
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#define MDBX_64BIT_CAS 0
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#endif
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#elif defined(_MSC_VER) || defined(__APPLE__)
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#define MDBX_64BIT_CAS 1
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#else
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#define MDBX_64BIT_CAS MDBX_64BIT_ATOMIC
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#endif
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#define MDBX_64BIT_CAS_CONFIG "AUTO=" STRINGIFY(MDBX_64BIT_CAS)
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#else
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#define MDBX_64BIT_CAS_CONFIG STRINGIFY(MDBX_64BIT_CAS)
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#endif /* MDBX_64BIT_CAS */
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#define MDBX_LOCKING_WIN32FILES -1
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#define MDBX_LOCKING_SYSV 5 /* SystemV IPC semaphores */
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#define MDBX_LOCKING_POSIX1988 1988 /* POSIX-1 Shared anonymous semaphores */
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#define MDBX_LOCKING_POSIX2001 2001 /* POSIX-2001 Shared Mutexes */
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#define MDBX_LOCKING_POSIX2008 2008 /* POSIX-2008 Robust Mutexes */
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#define MDBX_LOCKING_BENAPHORE 1995 /* BeOS Benaphores, aka Futexes */
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#if defined(_WIN32) || defined(_WIN64)
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#define MDBX_LOCKING MDBX_LOCKING_WIN32FILES
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#else
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#ifndef MDBX_LOCKING
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#if defined(_POSIX_THREAD_PROCESS_SHARED) && \
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_POSIX_THREAD_PROCESS_SHARED >= 200112L && !defined(__FreeBSD__)
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/* Some platforms define the EOWNERDEAD error code even though they
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* don't support Robust Mutexes. If doubt compile with -MDBX_LOCKING=2001. */
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#if defined(EOWNERDEAD) && _POSIX_THREAD_PROCESS_SHARED >= 200809L && \
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(defined(_POSIX_THREAD_ROBUST_PRIO_INHERIT) || \
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defined(_POSIX_THREAD_ROBUST_PRIO_PROTECT) || \
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defined(PTHREAD_MUTEX_ROBUST) || defined(PTHREAD_MUTEX_ROBUST_NP)) && \
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(!defined(__GLIBC__) || \
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__GLIBC_PREREQ(2, 10) /* troubles with Robust mutexes before 2.10 */)
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#define MDBX_LOCKING MDBX_LOCKING_POSIX2008
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#else
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#define MDBX_LOCKING MDBX_LOCKING_POSIX2001
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#endif
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#elif defined(__sun) || defined(__SVR4) || defined(__svr4__)
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#define MDBX_LOCKING MDBX_LOCKING_POSIX1988
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#else
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#define MDBX_LOCKING MDBX_LOCKING_SYSV
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#endif
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#define MDBX_LOCKING_CONFIG "AUTO=" STRINGIFY(MDBX_LOCKING)
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#else
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#define MDBX_LOCKING_CONFIG STRINGIFY(MDBX_LOCKING)
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#endif /* MDBX_LOCKING */
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#endif /* !Windows */
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#ifndef MDBX_USE_OFDLOCKS
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#if defined(F_OFD_SETLK) && defined(F_OFD_SETLKW) && defined(F_OFD_GETLK) && \
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!defined(MDBX_SAFE4QEMU) && \
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!defined(__sun) /* OFD-lock are broken on Solaris */
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#define MDBX_USE_OFDLOCKS 1
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#else
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#define MDBX_USE_OFDLOCKS 0
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#endif
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#define MDBX_USE_OFDLOCKS_CONFIG "AUTO=" STRINGIFY(MDBX_USE_OFDLOCKS)
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#else
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#define MDBX_USE_OFDLOCKS_CONFIG STRINGIFY(MDBX_USE_OFDLOCKS)
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#endif /* MDBX_USE_OFDLOCKS */
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/* Does a system have battery-backed Real-Time Clock or just a fake. */
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#ifndef MDBX_TRUST_RTC
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#if defined(__linux__) || defined(__gnu_linux__) || defined(__NetBSD__) || \
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defined(__OpenBSD__)
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#define MDBX_TRUST_RTC 0 /* a lot of embedded systems have a fake RTC */
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#else
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#define MDBX_TRUST_RTC 1
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#endif
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#define MDBX_TRUST_RTC_CONFIG "AUTO=" STRINGIFY(MDBX_TRUST_RTC)
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#else
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#define MDBX_TRUST_RTC_CONFIG STRINGIFY(MDBX_TRUST_RTC)
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#endif /* MDBX_TRUST_RTC */
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