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fix TLS slot number on OSX

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daan 2020-02-02 22:15:09 -08:00
parent b241be7075
commit 3560e0a867
1 changed files with 2 additions and 2 deletions
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4
include/mimalloc-internal.h
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@ -268,7 +268,7 @@ static inline bool mi_count_size_overflow(size_t count, size_t size, size_t* tot
/* ----------------------------------------------------------------------------------------
The thread local default heap: `_mi_get_default_heap` return the thread local heap.
The thread local default heap: `_mi_get_default_heap` returns the thread local heap.
On most platforms (Windows, Linux, FreeBSD, NetBSD, etc), this just returns a
__thread local variable (`_mi_heap_default`). With the initial-exec TLS model this ensures
that the storage will always be available (allocated on the thread stacks).
@ -287,7 +287,7 @@ mi_heap_t* _mi_heap_main_get(void); // statically allocated main backing hea
#if defined(MI_MALLOC_OVERRIDE)
#if defined(__MACH__) // OSX
#define MI_TLS_SLOT 84 // seems unused? (__PTK_FRAMEWORK_OLDGC_KEY9) see <https://github.com/rweichler/substrate/blob/master/include/pthread_machdep.h>
#define MI_TLS_SLOT 89 // seems unused? (__PTK_FRAMEWORK_OLDGC_KEY9) see <https://github.com/rweichler/substrate/blob/master/include/pthread_machdep.h>
// possible unused ones are 9, 29, __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY4 (94), __PTK_FRAMEWORK_GC_KEY9 (112) and __PTK_FRAMEWORK_OLDGC_KEY9 (89)
#elif defined(__OpenBSD__)
#define MI_TLS_PTHREAD_SLOT_OFS (6*sizeof(int) + 1*sizeof(void*)) // offset `retval` <https://github.com/openbsd/src/blob/master/lib/libc/include/thread_private.h#L371>