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| author | Rainer Gerhards <rgerhards@adiscon.com> | 2009-07-09 09:42:32 +0200 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2009-07-09 09:42:32 +0200 |
| commit | 3e4aa167eed33a37163446feb2f28efe3e4582d5 (patch) | |
| tree | b309d9fe6ab1c33f2e9df8512cf0216e2ce86271 /runtime/atomic.h | |
| parent | e2c9493b0d832078e181a6bce3373850df27d204 (diff) | |
| parent | 9f286c0c4c21128c66305166ae379d3f7b07f673 (diff) | |
| download | rsyslog-3e4aa167eed33a37163446feb2f28efe3e4582d5.tar.gz rsyslog-3e4aa167eed33a37163446feb2f28efe3e4582d5.tar.bz2 rsyslog-3e4aa167eed33a37163446feb2f28efe3e4582d5.zip | |
Merge branch 'master' into udpspoof
Conflicts:
tools/omfwd.c
Diffstat (limited to 'runtime/atomic.h')
| -rw-r--r-- | runtime/atomic.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/runtime/atomic.h b/runtime/atomic.h index 10dbac90..f0733f09 100644 --- a/runtime/atomic.h +++ b/runtime/atomic.h @@ -41,10 +41,19 @@ * They simply came in too late. -- rgerhards, 2008-04-02 */ #ifdef HAVE_ATOMIC_BUILTINS +# define ATOMIC_SUB(data, val) __sync_fetch_and_sub(&(data), val) +# define ATOMIC_ADD(data, val) __sync_fetch_and_add(&(data), val) # define ATOMIC_INC(data) ((void) __sync_fetch_and_add(&(data), 1)) +# define ATOMIC_INC_AND_FETCH(data) __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) +# 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)); +# define ATOMIC_CAS_VAL(data, oldVal, newVal) __sync_val_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: @@ -55,6 +64,7 @@ */ # warning "atomic builtins not available, using nul operations - rsyslogd will probably be racy!" # 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 |