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| author | Rainer Gerhards <rgerhards@adiscon.com> | 2009-06-25 15:21:29 +0200 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2009-06-25 15:21:29 +0200 |
| commit | 4818b0081d3a265a87f9f646d79f2a2ffbcda819 (patch) | |
| tree | a9edb0a994fec151300e9c11faf71356ddb7e3c7 /runtime/atomic.h | |
| parent | d116f30a877c65b4f23dbb92601251402b0f957e (diff) | |
| download | rsyslog-4818b0081d3a265a87f9f646d79f2a2ffbcda819.tar.gz rsyslog-4818b0081d3a265a87f9f646d79f2a2ffbcda819.tar.xz rsyslog-4818b0081d3a265a87f9f646d79f2a2ffbcda819.zip | |
bugfix: subtle synchronization issue
This may have caused a segfault under strange circumstances (but if
we just run long enough with a high enough message volume, even the
strangest circumstances will occur...)
Diffstat (limited to 'runtime/atomic.h')
| -rw-r--r-- | runtime/atomic.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/runtime/atomic.h b/runtime/atomic.h index f5ae9357..f0733f09 100644 --- a/runtime/atomic.h +++ b/runtime/atomic.h @@ -41,7 +41,10 @@ * 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)) |