From efd0fe21e44f0f757b3cd80cdbaddb8423eeb410 Mon Sep 17 00:00:00 2001 From: Martin Willi Date: Tue, 2 Dec 2008 12:14:32 +0000 Subject: ref_get()/ref_put() use atomic gcc operations if supported, thanks to Thomas Jarosch for the patch --- src/libstrongswan/utils.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'src/libstrongswan/utils.h') diff --git a/src/libstrongswan/utils.h b/src/libstrongswan/utils.h index af619ea4b..298253fdd 100644 --- a/src/libstrongswan/utils.h +++ b/src/libstrongswan/utils.h @@ -248,6 +248,14 @@ void nop(); */ typedef volatile u_int refcount_t; + +#ifdef HAVE_GCC_ATOMIC_OPERATIONS + +#define ref_get(ref) {__sync_fetch_and_add(ref, 1); } +#define ref_put(ref) (!__sync_sub_and_fetch(ref, 1)) + +#else /* !HAVE_GCC_ATOMIC_OPERATIONS */ + /** * Get a new reference. * @@ -268,6 +276,8 @@ void ref_get(refcount_t *ref); */ bool ref_put(refcount_t *ref); +#endif /* HAVE_GCC_ATOMIC_OPERATIONS */ + /** * Get printf hooks for time. * -- cgit v1.2.3