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| author | Dave Watson <davejwatson@fb.com> | 2019-04-03 08:55:28 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-04-03 08:55:28 -0700 |
| commit | f2931b349c1d00f8539fc989d32f8ff270e4f7a0 (patch) | |
| tree | 40b4327dbe27d197aeef262405b99394a568dd61 /include | |
| parent | 334047a04e59287463348a9e333947b5e59ddd91 (diff) | |
| download | libunwind-f2931b349c1d00f8539fc989d32f8ff270e4f7a0.tar.gz | |
Tsan (#109)
x86_64: tsan clean
Diffstat (limited to 'include')
| -rw-r--r-- | include/libunwind_i.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/libunwind_i.h b/include/libunwind_i.h index 36cf7a14..e0f45401 100644 --- a/include/libunwind_i.h +++ b/include/libunwind_i.h @@ -140,6 +140,7 @@ cmpxchg_ptr (void *addr, void *old, void *new) } # define fetch_and_add1(_ptr) AO_fetch_and_add1(_ptr) # define fetch_and_add(_ptr, value) AO_fetch_and_add(_ptr, value) +# define atomic_read(ptr) (AO_load(ptr)) /* GCC 3.2.0 on HP-UX crashes on cmpxchg_ptr() */ # if !(defined(__hpux) && __GNUC__ == 3 && __GNUC_MINOR__ == 2) # define HAVE_CMPXCHG @@ -164,10 +165,14 @@ cmpxchg_ptr (void *addr, void *old, void *new) } # define fetch_and_add1(_ptr) __sync_fetch_and_add(_ptr, 1) # define fetch_and_add(_ptr, value) __sync_fetch_and_add(_ptr, value) +# define atomic_read(ptr) (__atomic_load_n(ptr,__ATOMIC_RELAXED)) # define HAVE_CMPXCHG # define HAVE_FETCH_AND_ADD #endif + +#ifndef atomic_read #define atomic_read(ptr) (*(ptr)) +#endif #define UNWI_OBJ(fn) UNW_PASTE(UNW_PREFIX,UNW_PASTE(I,fn)) #define UNWI_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_UI,UNW_TARGET),_), fn) |