From: Alex Bligh <alex@alex.org.uk>
Date: Wed, 21 Aug 2013 15:02:52 +0000 (+0100)
Subject: aio / timers: Add aio_timer_init & aio_timer_new wrappers
X-Git-Tag: qemu-xen-4.5.0-rc1~519^2~20
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=4e29e8311a53025a06433382768b82111c0bb80c;p=qemu-upstream-4.6-testing.git

aio / timers: Add aio_timer_init & aio_timer_new wrappers

Add aio_timer_init and aio_timer_new wrapper functions.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---

diff --git a/include/block/aio.h b/include/block/aio.h
index 06f3aadb3..2efdf416c 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -246,4 +246,47 @@ void qemu_aio_set_fd_handler(int fd,
                              void *opaque);
 #endif
 
+/**
+ * aio_timer_new:
+ * @ctx: the aio context
+ * @type: the clock type
+ * @scale: the scale
+ * @cb: the callback to call on timer expiry
+ * @opaque: the opaque pointer to pass to the callback
+ *
+ * Allocate a new timer attached to the context @ctx.
+ * The function is responsible for memory allocation.
+ *
+ * The preferred interface is aio_timer_init. Use that
+ * unless you really need dynamic memory allocation.
+ *
+ * Returns: a pointer to the new timer
+ */
+static inline QEMUTimer *aio_timer_new(AioContext *ctx, QEMUClockType type,
+                                       int scale,
+                                       QEMUTimerCB *cb, void *opaque)
+{
+    return timer_new_tl(ctx->tlg.tl[type], scale, cb, opaque);
+}
+
+/**
+ * aio_timer_init:
+ * @ctx: the aio context
+ * @ts: the timer
+ * @type: the clock type
+ * @scale: the scale
+ * @cb: the callback to call on timer expiry
+ * @opaque: the opaque pointer to pass to the callback
+ *
+ * Initialise a new timer attached to the context @ctx.
+ * The caller is responsible for memory allocation.
+ */
+static inline void aio_timer_init(AioContext *ctx,
+                                  QEMUTimer *ts, QEMUClockType type,
+                                  int scale,
+                                  QEMUTimerCB *cb, void *opaque)
+{
+    timer_init(ts, ctx->tlg.tl[type], scale, cb, opaque);
+}
+
 #endif