diff options
Diffstat (limited to 'runtime/atomic.h')
| -rw-r--r-- | runtime/atomic.h | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/runtime/atomic.h b/runtime/atomic.h index 520d2acd..30478440 100644 --- a/runtime/atomic.h +++ b/runtime/atomic.h @@ -39,13 +39,13 @@ * 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_SUB(data, val) __sync_fetch_and_sub(data, val) # define ATOMIC_ADD(data, val) __sync_fetch_and_add(&(data), val) # define ATOMIC_INC(data, phlpmut) ((void) __sync_fetch_and_add(data, 1)) # define ATOMIC_INC_AND_FETCH(data) __sync_fetch_and_add(&(data), 1) # define ATOMIC_DEC(data, phlpmut) ((void) __sync_sub_and_fetch(data, 1)) # define ATOMIC_DEC_AND_FETCH(data, phlpmut) __sync_sub_and_fetch(data, 1) -# define ATOMIC_FETCH_32BIT(data) ((unsigned) __sync_fetch_and_and(&(data), 0xffffffff)) +# define ATOMIC_FETCH_32BIT(data, phlpmut) ((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, phlpmut) __sync_fetch_and_and(data, 0) # define ATOMIC_STORE_1_TO_INT(data, phlpmut) __sync_fetch_and_or(data, 1) @@ -79,15 +79,15 @@ } # define ATOMIC_STORE_0_TO_INT(data, hlpmut) { \ - pthread_mutex_lock(&hlpmut); \ + pthread_mutex_lock(hlpmut); \ *(data) = 0; \ - pthread_mutex_unlock(&hlpmut); \ + pthread_mutex_unlock(hlpmut); \ } # define ATOMIC_STORE_1_TO_INT(data, hlpmut) { \ - pthread_mutex_lock(&hlpmut); \ + pthread_mutex_lock(hlpmut); \ *(data) = 1; \ - pthread_mutex_unlock(&hlpmut); \ + pthread_mutex_unlock(hlpmut); \ } static inline int @@ -116,10 +116,25 @@ pthread_mutex_unlock(phlpmut); return(val); } + + static inline int + ATOMIC_FETCH_32BIT(int *data, pthread_mutex_t *phlpmut) { + int val; + pthread_mutex_lock(phlpmut); + val = (*data); + pthread_mutex_unlock(phlpmut); + return(val); + } + + static inline void + ATOMIC_SUB(int *data, int val, pthread_mutex_t *phlpmut) { + pthread_mutex_lock(phlpmut); + (*data) -= val; + pthread_mutex_unlock(phlpmut); + } #if 0 # warning "atomic builtins not available, using nul operations - rsyslogd will probably be racy!" # define ATOMIC_INC_AND_FETCH(data) (++(data)) -# define ATOMIC_FETCH_32BIT(data) (data) // TODO: del # define ATOMIC_STORE_1_TO_32BIT(data) (data) = 1 // TODO: del #endif # define DEF_ATOMIC_HELPER_MUT(x) pthread_mutex_t x |