diff mbox

[09/18] qemu/timer.h : Adding function to second scale

Message ID 1438124245-11667-9-git-send-email-samuel.thibault@ens-lyon.org
State New
Headers show

Commit Message

Samuel Thibault July 28, 2015, 10:57 p.m. UTC 
This patch adds SCALE_S, timer_new_s(), and qemu_clock_get_s in qemu/timer.h to
manage second-scale timers.

Signed-off-by: Guillaume Subiron <maethor@subiron.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---
 include/qemu/timer.h | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
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Patch

diff --git a/include/qemu/timer.h b/include/qemu/timer.h
index 5923d60..9530824 100644
--- a/include/qemu/timer.h
+++ b/include/qemu/timer.h
@@ -9,6 +9,7 @@ 
 
 /* timers */
 
+#define SCALE_S  1000000000
 #define SCALE_MS 1000000
 #define SCALE_US 1000
 #define SCALE_NS 1
@@ -91,6 +92,20 @@  extern QEMUTimerListGroup main_loop_tlg;
 int64_t qemu_clock_get_ns(QEMUClockType type);
 
 /**
+ * qemu_clock_get_s;
+ * @type: the clock type
+ *
+ * Get the second value of a clock with
+ * type @type
+ *
+ * Returns: the clock value in seconds
+ */
+static inline int64_t qemu_clock_get_s(QEMUClockType type)
+{
+    return qemu_clock_get_ns(type) / SCALE_S;
+}
+
+/**
  * qemu_clock_get_ms;
  * @type: the clock type
  *
@@ -597,6 +612,23 @@  static inline QEMUTimer *timer_new_ms(QEMUClockType type, QEMUTimerCB *cb,
 }
 
 /**
+ * timer_new_s:
+ * @clock: the clock to associate with the timer
+ * @callback: the callback to call when the timer expires
+ * @opaque: the opaque pointer to pass to the callback
+ *
+ * Create a new timer with second scale on the default timer list
+ * associated with the clock.
+ *
+ * Returns: a pointer to the newly created timer
+ */
+static inline QEMUTimer *timer_new_s(QEMUClockType type, QEMUTimerCB *cb,
+                                     void *opaque)
+{
+    return timer_new(type, SCALE_S, cb, opaque);
+}
+
+/**
  * timer_deinit:
  * @ts: the timer to be de-initialised
  *