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mdbx: never use modern __cxa_thread_atexit() on Apple's OSes.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev) 2022-08-08 15:08:18 +03:00
parent dd01aabaeb
commit 6d85e35876
2 changed files with 35 additions and 40 deletions
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4
src/base.h
View File

@ -157,12 +157,12 @@
#define nullptr NULL
#endif
#ifdef __APPLE__
#if defined(__APPLE__) || defined(_DARWIN_C_SOURCE)
#include <AvailabilityMacros.h>
#include <TargetConditionals.h>
#ifndef MAC_OS_X_VERSION_MIN_REQUIRED
#define MAC_OS_X_VERSION_MIN_REQUIRED 1070 /* Mac OS X 10.7, 2011 */
#endif
#include <TargetConditionals.h>
#endif /* Apple OSX & iOS */
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \

71
src/core.c
View File

@ -1269,55 +1269,50 @@ rthc_compare_and_clean(const void *rthc, const uint64_t signature) {
static __inline int rthc_atexit(void (*dtor)(void *), void *obj,
void *dso_symbol) {
int rc = MDBX_ENOSYS;
#ifndef MDBX_HAVE_CXA_THREAD_ATEXIT_IMPL
#if defined(LIBCXXABI_HAS_CXA_THREAD_ATEXIT_IMPL) || \
defined(HAVE___CXA_THREAD_ATEXIT_IMPL) || __GLIBC_PREREQ(2, 18) || \
defined(ANDROID)
#define MDBX_HAVE_CXA_THREAD_ATEXIT_IMPL 1
#else
#define MDBX_HAVE_CXA_THREAD_ATEXIT_IMPL 0
#endif
#endif /* MDBX_HAVE_CXA_THREAD_ATEXIT_IMPL */
#if defined(__APPLE__) || defined(_DARWIN_C_SOURCE)
#if !defined(MAC_OS_X_VERSION_MIN_REQUIRED) || !defined(MAC_OS_X_VERSION_10_7)
#error \
"The <AvailabilityMacros.h> should be included and MAC_OS_X_VERSION_MIN_REQUIRED must be defined"
#elif MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_7
#ifndef MDBX_HAVE_CXA_THREAD_ATEXIT
#if defined(LIBCXXABI_HAS_CXA_THREAD_ATEXIT) || \
defined(HAVE___CXA_THREAD_ATEXIT)
#define MDBX_HAVE_CXA_THREAD_ATEXIT 1
#elif !MDBX_HAVE_CXA_THREAD_ATEXIT_IMPL && \
(defined(__linux__) || defined(__gnu_linux__))
#define MDBX_HAVE_CXA_THREAD_ATEXIT 1
#else
#define MDBX_HAVE_CXA_THREAD_ATEXIT 0
#endif
#endif /* MDBX_HAVE_CXA_THREAD_ATEXIT */
int rc = MDBX_ENOSYS;
#if MDBX_HAVE_CXA_THREAD_ATEXIT_IMPL && !MDBX_HAVE_CXA_THREAD_ATEXIT
#define __cxa_thread_atexit __cxa_thread_atexit_impl
#endif
#if MDBX_HAVE_CXA_THREAD_ATEXIT || defined(__cxa_thread_atexit)
extern int __cxa_thread_atexit(void (*dtor)(void *), void *obj,
void *dso_symbol) MDBX_WEAK_IMPORT_ATTRIBUTE;
if (&__cxa_thread_atexit)
rc = __cxa_thread_atexit(dtor, obj, dso_symbol);
#elif defined(__APPLE__) || defined(_DARWIN_C_SOURCE)
extern void _tlv_atexit(void (*termfunc)(void *objAddr), void *objAddr)
__attribute__((__weak__, __weak_import__));
if (rc && &_tlv_atexit) {
MDBX_WEAK_IMPORT_ATTRIBUTE;
if (&_tlv_atexit) {
(void)dso_symbol;
_tlv_atexit(dtor, obj);
rc = 0;
}
#elif !defined(MDBX_HAVE_CXA_THREAD_ATEXIT)
#define MDBX_HAVE_CXA_THREAD_ATEXIT 1
#endif /* MAC_OS_X_VERSION_MIN_REQUIRED */
#endif /* Apple */
#if defined(MDBX_HAVE_CXA_THREAD_ATEXIT) && MDBX_HAVE_CXA_THREAD_ATEXIT
extern int __cxa_thread_atexit(void (*dtor)(void *), void *obj,
void *dso_symbol)
#ifdef WEAK_IMPORT_ATTRIBUTE
WEAK_IMPORT_ATTRIBUTE
#elif defined(MAC_OS_X_VERSION_MIN_REQUIRED) && \
MAC_OS_X_VERSION_MIN_REQUIRED >= 1020 && \
((__has_attribute(__weak__) && __has_attribute(__weak_import__)) || \
(defined(__GNUC__) && __GNUC__ >= 4))
__attribute__((__weak__, __weak_import__))
#elif (__has_attribute(__weak__) || (defined(__GNUC__) && __GNUC__ >= 4)) && \
!defined(MAC_OS_X_VERSION_MIN_REQUIRED)
__attribute__((__weak__))
#endif
;
if (rc && &__cxa_thread_atexit)
rc = __cxa_thread_atexit(dtor, obj, dso_symbol);
#elif __GLIBC_PREREQ(2, 18) || defined(ANDROID) || defined(__linux__) || \
defined(__gnu_linux__)
extern int __cxa_thread_atexit_impl(void (*dtor)(void *), void *obj,
void *dso_symbol)
__attribute__((__weak__));
if (rc && &__cxa_thread_atexit_impl)
rc = __cxa_thread_atexit_impl(dtor, obj, dso_symbol);
#else
(void)dtor;
(void)obj;
(void)dso_symbol;
#endif
return rc;
}