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https://github.com/darlinghq/darling-libobjc2.git
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ad16172625
- __strong pointers, preventing objects from being freed
_ __weak pointers are automatically freed when the last remaining __strong pointer goes away
- objc_gc_{retain,release}_np() functions, which can be used to implement CFRetain() and CFRelease() (adds an reference count - the object will not be collected until after its last retain is gone.
25 lines
651 B
C
25 lines
651 B
C
#if defined _WIN32 || defined __CYGWIN__
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# define PUBLIC __attribute__((dllexport))
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# define PRIVATE
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#else
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# define PUBLIC __attribute__ ((visibility("default")))
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# define PRIVATE __attribute__ ((visibility("hidden")))
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#endif
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#ifdef NO_LEGACY
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# define LEGACY PRIVATE
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#else
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# define LEGACY PUBLIC
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#endif
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#if defined(DEBUG) || (!defined(__clang__))
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# include <assert.h>
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# define UNREACHABLE(x) assert(0 && x)
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# define ASSERT(x) assert(x)
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#else
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# define UNREACHABLE(x) __builtin_unreachable()
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# define ASSERT(x) do { if (x) __builtin_unreachable(); } while(0)
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#endif
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#define LIKELY(x) __builtin_expect(x, 1)
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#define UNLIKELY(x) __builtin_expect(x, 0)
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