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[Qemu-devel] [RFC] [PATCHv3 06/12] aio / timers: Add an AioContext point


From: Alex Bligh
Subject: [Qemu-devel] [RFC] [PATCHv3 06/12] aio / timers: Add an AioContext pointer to QEMUClock
Date: Thu, 25 Jul 2013 23:16:42 +0100

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

Signed-off-by: Alex Bligh <address@hidden>
---
 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 0d41431..2968c68 100644
--- a/async.c
+++ b/async.c
@@ -217,6 +217,7 @@ AioContext *aio_context_new(void)
                            (EventNotifierHandler *)
                            event_notifier_test_and_clear, NULL);
     ctx->clock = qemu_new_clock(QEMU_CLOCK_REALTIME);
+    qemu_clock_set_ctx(ctx->clock, ctx);
 
     return ctx;
 }
diff --git a/include/qemu/timer.h b/include/qemu/timer.h
index a1f2ac8..29817ab 100644
--- a/include/qemu/timer.h
+++ b/include/qemu/timer.h
@@ -16,6 +16,7 @@
 #define QEMU_CLOCK_HOST     2
 
 typedef struct QEMUClock QEMUClock;
+typedef struct AioContext AioContext;
 typedef void QEMUTimerCB(void *opaque);
 
 /* The real time clock should be used only for stuff which does not
@@ -38,6 +39,8 @@ extern QEMUClock *host_clock;
 
 QEMUClock *qemu_new_clock(int type);
 void qemu_free_clock(QEMUClock *clock);
+AioContext *qemu_clock_get_ctx(QEMUClock *clock);
+void qemu_clock_set_ctx(QEMUClock *clock, AioContext * ctx);
 int64_t qemu_get_clock_ns(QEMUClock *clock);
 int64_t qemu_clock_has_timers(QEMUClock *clock);
 int64_t qemu_clock_expired(QEMUClock *clock);
diff --git a/qemu-timer.c b/qemu-timer.c
index 714bc92..6efd1b4 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
@@ -50,6 +51,7 @@
 
 struct QEMUClock {
     QEMUTimer *active_timers;
+    AioContext *ctx;
 
     NotifierList reset_notifiers;
     int64_t last;
@@ -252,6 +254,16 @@ void qemu_free_clock(QEMUClock *clock)
     g_free(clock);
 }
 
+AioContext *qemu_clock_get_ctx(QEMUClock *clock)
+{
+    return clock->ctx;
+}
+
+void qemu_clock_set_ctx(QEMUClock *clock, AioContext * ctx)
+{
+    clock->ctx = ctx;
+}
+
 void qemu_clock_enable(QEMUClock *clock, bool enabled)
 {
     bool old = clock->enabled;
-- 
1.7.9.5




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