[Qemu-devel] [RFC] [PATCHv4 07/13] aio / timers: Add an AioContext pointer to QEMUTimerList

[Alex Bligh <alex@alex.org.uk>]

Add an AioContext pointer to QEMUTimerList so it knows what to notify
on a timer change.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
---
 async.c              |    1 +
 include/qemu/timer.h |    3 +++
 qemu-timer.c         |   12 ++++++++++++
 3 files changed, 16 insertions(+)

diff --git a/async.c b/async.c
index 8acbd4c..d3ed868 100644
--- a/async.c
+++ b/async.c
@@ -222,6 +222,7 @@ AioContext *aio_context_new(void)
      */
     assert(rt_clock);
     ctx->tl = qemu_new_timerlist(rt_clock);
+    qemu_timerlist_set_ctx(ctx->tl, ctx);
 
     return ctx;
 }
diff --git a/include/qemu/timer.h b/include/qemu/timer.h
index e627033..3eb9fb7 100644
--- a/include/qemu/timer.h
+++ b/include/qemu/timer.h
@@ -17,6 +17,7 @@
 
 typedef struct QEMUClock QEMUClock;
 typedef struct QEMUTimerList QEMUTimerList;
+typedef struct AioContext AioContext;
 typedef void QEMUTimerCB(void *opaque);
 
 /* The real time clock should be used only for stuff which does not
@@ -52,6 +53,8 @@ int64_t qemu_timerlist_deadline(QEMUTimerList *tl);
 int64_t qemu_timerlist_deadline_ns(QEMUTimerList *tl);
 QEMUClock *qemu_timerlist_get_clock(QEMUTimerList *tl);
 QEMUTimerList *qemu_clock_get_default_timerlist(QEMUClock *clock);
+AioContext *qemu_timerlist_get_ctx(QEMUTimerList *tl);
+void qemu_timerlist_set_ctx(QEMUTimerList *tl, AioContext * ctx);
 int qemu_timeout_ns_to_ms(int64_t ns);
 int qemu_poll_ns(GPollFD *fds, uint nfds, int64_t timeout);
 void qemu_clock_enable(QEMUClock *clock, bool enabled);
diff --git a/qemu-timer.c b/qemu-timer.c
index 211c379..9d992d6 100644
--- a/qemu-timer.c
+++ b/qemu-timer.c
@@ -29,6 +29,7 @@
 #include "hw/hw.h"
 
 #include "qemu/timer.h"
+#include "block/aio.h"
 #ifdef CONFIG_POSIX
 #include <pthread.h>
 #endif
@@ -70,6 +71,7 @@ struct QEMUTimerList {
     QEMUClock *clock;
     QEMUTimer *active_timers;
     QLIST_ENTRY(QEMUTimerList) list;
+    AioContext *ctx;
 };
 
 struct QEMUTimer {
@@ -379,6 +381,16 @@ QEMUTimerList *qemu_clock_get_default_timerlist(QEMUClock *clock)
     return clock->default_timerlist;
 }
 
+AioContext *qemu_timerlist_get_ctx(QEMUTimerList *tl)
+{
+    return tl->ctx;
+}
+
+void qemu_timerlist_set_ctx(QEMUTimerList *tl, AioContext * ctx)
+{
+    tl->ctx = ctx;
+}
+
 /* Transition function to convert a nanosecond timeout to ms
  * This is used where a system does not support ppoll
  */
-- 
1.7.9.5