overhaul glibc compatibility workarounds
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df9650fe64
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7acebaa837
20
util.h
20
util.h
@ -39,20 +39,30 @@ typedef uint64_t u64;
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typedef unsigned __int128 u128;
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// use __register_atfork directly to avoid linking with libpthread for glibc < 2.28
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#if defined(__GLIBC__) && !__GLIBC_PREREQ(2, 28)
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#ifdef __GLIBC__
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#if !__GLIBC_PREREQ(2, 28)
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extern void *__dso_handle;
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extern int __register_atfork(void (*)(void), void (*)(void), void (*)(void), void *);
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#define atfork(prepare, parent, child) __register_atfork(prepare, parent, child, __dso_handle)
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#else
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#endif
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#endif
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#ifndef atfork
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#define atfork pthread_atfork
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#endif
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#ifdef CONFIG_SEAL_METADATA
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#if defined(__GLIBC__) && __GLIBC_PREREQ(2, 27)
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#ifdef __GLIBC__
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#if __GLIBC_PREREQ(2, 27)
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#define USE_PKEY
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#else
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#error "CONFIG_SEAL_METADATA requires Memory Protection Key support"
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#endif
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#endif
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#ifndef USE_PKEY
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#error "CONFIG_SEAL_METADATA requires Memory Protection Key support"
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#endif
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#endif // CONFIG_SEAL_METADATA
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#endif
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