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| author | Rainer Gerhards <rgerhards@adiscon.com> | 2009-06-25 11:06:42 +0200 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2009-06-25 11:06:42 +0200 |
| commit | 46024834449840dabf399dda196c9dd11cf78ace (patch) | |
| tree | 36dc3dc8f85d756afea2924398d5deb679852026 /runtime/atomic.h | |
| parent | c60cbd99df4710545587659be6344392e99745ff (diff) | |
| download | rsyslog-46024834449840dabf399dda196c9dd11cf78ace.tar.gz rsyslog-46024834449840dabf399dda196c9dd11cf78ace.tar.xz rsyslog-46024834449840dabf399dda196c9dd11cf78ace.zip | |
added a few atomic operations
mostly to get thread debugger errors clean (plus, of course, it
makes things more deterministic)
Diffstat (limited to 'runtime/atomic.h')
| -rw-r--r-- | runtime/atomic.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/runtime/atomic.h b/runtime/atomic.h index fdf64214..4cb832f2 100644 --- a/runtime/atomic.h +++ b/runtime/atomic.h @@ -46,6 +46,10 @@ # define ATOMIC_DEC_AND_FETCH(data) __sync_sub_and_fetch(&(data), 1) # define ATOMIC_FETCH_32BIT(data) ((unsigned) __sync_fetch_and_and(&(data), 0xffffffff)) # define ATOMIC_STORE_1_TO_32BIT(data) __sync_lock_test_and_set(&(data), 1) +# define ATOMIC_STORE_0_TO_INT(data) __sync_fetch_and_and(&(data), 0) +# define ATOMIC_STORE_1_TO_INT(data) __sync_fetch_and_or(&(data), 1) +# define ATOMIC_STORE_INT_TO_INT(data, val) __sync_fetch_and_or(&(data), (val)) +# define ATOMIC_CAS(data, oldVal, newVal) __sync_bool_compare_and_swap(&(data), (oldVal), (newVal)); #else /* note that we gained parctical proof that theoretical problems DO occur * if we do not properly address them. See this blog post for details: |