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| author | Rickard Green <[email protected]> | 2010-12-03 10:57:26 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2010-12-11 03:03:19 +0100 |
| commit | b297bfdd47b0a39831d8cc2541aeb910f9af0bca (patch) | |
| tree | 59ac65b0d0bc95879d9507900781acdc4911bc3b /erts/include/internal/gcc | |
| parent | 99e34bba1a60b262e24496cc9288b549360c6377 (diff) | |
| download | otp-b297bfdd47b0a39831d8cc2541aeb910f9af0bca.tar.gz otp-b297bfdd47b0a39831d8cc2541aeb910f9af0bca.tar.bz2 otp-b297bfdd47b0a39831d8cc2541aeb910f9af0bca.zip | |
Introduce ethr_sint_t and use it for atomics
The atomic memory operations interface used the 'long' type and assumed that
it was of the same size as 'void *'. This is true on most platforms, however,
not on Windows 64.
Diffstat (limited to 'erts/include/internal/gcc')
| -rw-r--r-- | erts/include/internal/gcc/ethr_atomic.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/erts/include/internal/gcc/ethr_atomic.h b/erts/include/internal/gcc/ethr_atomic.h index e8e529dd48..49a8ceeab1 100644 --- a/erts/include/internal/gcc/ethr_atomic.h +++ b/erts/include/internal/gcc/ethr_atomic.h @@ -36,11 +36,14 @@ # define ETHR_IMMED_ATOMIC_SET_GET_SAFE__ 1 #endif +#if ETHR_SIZEOF_LONG != ETHR_SIZEOF_PTR +# error "Incompatible size of 'long'" +#endif + typedef struct { volatile long counter; } ethr_native_atomic_t; - /* * According to the documentation this is what we want: * #define ETHR_MEMORY_BARRIER __sync_synchronize() |