From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55000) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1beVEy-0000BY-Sw for qemu-devel@nongnu.org; Mon, 29 Aug 2016 18:41:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1beVEx-0003Gl-Tl for qemu-devel@nongnu.org; Mon, 29 Aug 2016 18:41:16 -0400 From: Pavel Butsykin Date: Mon, 29 Aug 2016 20:10:10 +0300 Message-ID: <20160829171021.4902-12-pbutsykin@virtuozzo.com> In-Reply-To: <20160829171021.4902-1-pbutsykin@virtuozzo.com> References: <20160829171021.4902-1-pbutsykin@virtuozzo.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH RFC v2 11/22] add QEMU style defines for __sync_add_and_fetch List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org, qemu-devel@nongnu.org Cc: kwolf@redhat.com, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org, jsnow@redhat.com, eblake@redhat.com, famz@redhat.com Signed-off-by: Pavel Butsykin --- include/qemu/atomic.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h index 7e13fca..7087d0f 100644 --- a/include/qemu/atomic.h +++ b/include/qemu/atomic.h @@ -152,6 +152,10 @@ _old; \ }) +/* Provide shorter names for GCC atomic builtins, return new value */ +#define atomic_inc_fetch(ptr) __sync_add_and_fetch(ptr, 1, __ATOMIC_SEQ_CST) +#define atomic_dec_fetch(ptr) __sync_add_and_fetch(ptr, -1, __ATOMIC_SEQ_CST) + /* Provide shorter names for GCC atomic builtins, return old value */ #define atomic_fetch_inc(ptr) __atomic_fetch_add(ptr, 1, __ATOMIC_SEQ_CST) #define atomic_fetch_dec(ptr) __atomic_fetch_sub(ptr, 1, __ATOMIC_SEQ_CST) @@ -346,6 +350,10 @@ #endif #endif +/* Provide shorter names for GCC atomic builtins, return new value */ +#define atomic_inc_fetch(ptr) __sync_add_and_fetch(ptr, 1) +#define atomic_dec_fetch(ptr) __sync_add_and_fetch(ptr, -1) + /* Provide shorter names for GCC atomic builtins. */ #define atomic_fetch_inc(ptr) __sync_fetch_and_add(ptr, 1) #define atomic_fetch_dec(ptr) __sync_fetch_and_add(ptr, -1) -- 2.8.3