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| author | Rich Felker <dalias@aerifal.cx> | 2014-10-10 18:17:09 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2014-10-10 18:17:09 -0400 |
| commit | 867b1822f30a76cb9c8342da29eb28ed75908fa9 (patch) | |
| tree | 9c0f489e301ae87ce0296adab65c488d926ac4b9 /arch/arm/atomic.h | |
| parent | 08b996d180323775d5457944eefbb8a51ea72539 (diff) | |
| download | musl-867b1822f30a76cb9c8342da29eb28ed75908fa9.tar.gz musl-867b1822f30a76cb9c8342da29eb28ed75908fa9.tar.xz musl-867b1822f30a76cb9c8342da29eb28ed75908fa9.zip | |
add explicit barrier operation to internal atomic.h API
Diffstat (limited to 'arch/arm/atomic.h')
| -rw-r--r-- | arch/arm/atomic.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/atomic.h b/arch/arm/atomic.h index 738f528c..8665c874 100644 --- a/arch/arm/atomic.h +++ b/arch/arm/atomic.h @@ -101,7 +101,9 @@ static inline void a_store(volatile int *p, int x) while (__k_cas(*p, x, p)); } -static inline void a_spin() +#define a_spin a_barrier + +static inline void a_barrier() { __k_cas(0, 0, &(int){0}); } |