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| author | Rainer Gerhards <rgerhards@adiscon.com> | 2008-11-18 11:40:23 +0100 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2008-11-18 11:40:23 +0100 |
| commit | a5417f16044d7d56dbceeea09e25ba3e8c47cc01 (patch) | |
| tree | de086d9f0baa496f3743b39e4c49b05edab1a303 /runtime/atomic.h | |
| parent | ba201a941435bc5fec2c333155e1a8e16c4a9c05 (diff) | |
| parent | 704a1145d64532df36624a3c9850b0c86f38f76f (diff) | |
| download | rsyslog-a5417f16044d7d56dbceeea09e25ba3e8c47cc01.tar.gz rsyslog-a5417f16044d7d56dbceeea09e25ba3e8c47cc01.tar.bz2 rsyslog-a5417f16044d7d56dbceeea09e25ba3e8c47cc01.zip | |
Merge branch 'nextmaster'
Diffstat (limited to 'runtime/atomic.h')
| -rw-r--r-- | runtime/atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/runtime/atomic.h b/runtime/atomic.h index 2dbe7f52..7ad8e2e4 100644 --- a/runtime/atomic.h +++ b/runtime/atomic.h @@ -42,12 +42,14 @@ */ #ifdef HAVE_ATOMIC_BUILTINS # define ATOMIC_INC(data) ((void) __sync_fetch_and_add(&(data), 1)) +# define ATOMIC_DEC(data) ((void) __sync_sub_and_fetch(&(data), 1)) # 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) #else # warning "atomic builtins not available, using nul operations" # define ATOMIC_INC(data) (++(data)) +# define ATOMIC_DEC(data) (--(data)) # define ATOMIC_DEC_AND_FETCH(data) (--(data)) # define ATOMIC_FETCH_32BIT(data) (data) # define ATOMIC_STORE_1_TO_32BIT(data) (data) = 1 |