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[71.37.54.227]) by smtp.gmail.com with ESMTPSA id ff9sm2652229pac.5.2016.07.01.10.04.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 Jul 2016 10:04:56 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 1 Jul 2016 10:04:28 -0700 Message-Id: <1467392693-22715-3-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1467392693-22715-1-git-send-email-rth@twiddle.net> References: <1467392693-22715-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400e:c00::244 Subject: [Qemu-devel] [PATCH v2 02/27] atomics: add atomic_op_fetch variants X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, serge.fdrv@gmail.com, cota@braap.org, alex.bennee@linaro.org, peter.maydell@linaro.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: "Emilio G. Cota" This paves the way for upcoming work. Signed-off-by: Emilio G. Cota Message-Id: <1467054136-10430-9-git-send-email-cota@braap.org> Reviewed-by: Alex Bennée --- include/qemu/atomic.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h index a5531da..d75bfde 100644 --- a/include/qemu/atomic.h +++ b/include/qemu/atomic.h @@ -163,6 +163,14 @@ #define atomic_fetch_or(ptr, n) __atomic_fetch_or(ptr, n, __ATOMIC_SEQ_CST) #define atomic_fetch_xor(ptr, n) __atomic_fetch_xor(ptr, n, __ATOMIC_SEQ_CST) +#define atomic_inc_fetch(ptr) __atomic_add_fetch(ptr, 1, __ATOMIC_SEQ_CST) +#define atomic_dec_fetch(ptr) __atomic_sub_fetch(ptr, 1, __ATOMIC_SEQ_CST) +#define atomic_add_fetch(ptr, n) __atomic_add_fetch(ptr, n, __ATOMIC_SEQ_CST) +#define atomic_sub_fetch(ptr, n) __atomic_sub_fetch(ptr, n, __ATOMIC_SEQ_CST) +#define atomic_and_fetch(ptr, n) __atomic_and_fetch(ptr, n, __ATOMIC_SEQ_CST) +#define atomic_or_fetch(ptr, n) __atomic_or_fetch(ptr, n, __ATOMIC_SEQ_CST) +#define atomic_xor_fetch(ptr, n) __atomic_xor_fetch(ptr, n, __ATOMIC_SEQ_CST) + /* And even shorter names that return void. */ #define atomic_inc(ptr) ((void) __atomic_fetch_add(ptr, 1, __ATOMIC_SEQ_CST)) #define atomic_dec(ptr) ((void) __atomic_fetch_sub(ptr, 1, __ATOMIC_SEQ_CST)) @@ -358,6 +366,15 @@ #define atomic_fetch_and __sync_fetch_and_and #define atomic_fetch_or __sync_fetch_and_or #define atomic_fetch_xor __sync_fetch_and_xor + +#define atomic_inc_fetch(ptr) __sync_add_and_fetch(ptr, 1) +#define atomic_dec_fetch(ptr) __sync_add_and_fetch(ptr, -1) +#define atomic_add_fetch __sync_add_and_fetch +#define atomic_sub_fetch __sync_sub_and_fetch +#define atomic_and_fetch __sync_and_and_fetch +#define atomic_or_fetch __sync_or_and_fetch +#define atomic_xor_fetch __sync_xor_and_fetch + #define atomic_cmpxchg __sync_val_compare_and_swap /* And even shorter names that return void. */