[Qemu-devel] [PATCH 06/10] coroutine: move runnale coroutine code to qemu-coroutine.c

[Lai Jiangshan <laijs@cn.fujitsu.com>]

runnable coroutine queue is the core mangement of the coroutine.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
 qemu-coroutine-lock.c |   27 ---------------------------
 qemu-coroutine.c      |   27 +++++++++++++++++++++++++++
 qemu-coroutine.h      |    7 +++++++
 trace-events          |    2 +-
 4 files changed, 35 insertions(+), 28 deletions(-)

diff --git a/qemu-coroutine-lock.c b/qemu-coroutine-lock.c
index 6f47685..159d66d 100644
--- a/qemu-coroutine-lock.c
+++ b/qemu-coroutine-lock.c
@@ -26,35 +26,8 @@
 #include "qemu-coroutine.h"
 #include "qemu-coroutine-int.h"
 #include "qemu-queue.h"
-#include "main-loop.h"
 #include "trace.h"
 
-static QTAILQ_HEAD(, Coroutine) co_runnable_queue =
-    QTAILQ_HEAD_INITIALIZER(co_runnable_queue);
-static QEMUBH* co_runnable_bh;
-
-static void qemu_co_process_runnable(void *opaque)
-{
-    Coroutine *next;
-
-    trace_qemu_co_process_runnable();
-    while ((next = QTAILQ_FIRST(&co_runnable_queue))) {
-        QTAILQ_REMOVE(&co_runnable_queue, next, co_queue_next);
-        qemu_coroutine_enter(next, NULL);
-    }
-}
-
-static void qemu_co_runnable_schedule(Coroutine *co)
-{
-    QTAILQ_INSERT_TAIL(&co_runnable_queue, co, co_queue_next);
-    qemu_bh_schedule(co_runnable_bh);
-}
-
-static void __attribute__((constructor)) co_runnable_bh_init(void)
-{
-    co_runnable_bh = qemu_bh_new(qemu_co_process_runnable, NULL);
-}
-
 void qemu_co_queue_init(CoQueue *queue)
 {
     QTAILQ_INIT(&queue->entries);
diff --git a/qemu-coroutine.c b/qemu-coroutine.c
index c01252e..c67d557 100644
--- a/qemu-coroutine.c
+++ b/qemu-coroutine.c
@@ -16,6 +16,33 @@
 #include "qemu-common.h"
 #include "qemu-coroutine.h"
 #include "qemu-coroutine-int.h"
+#include "main-loop.h"
+
+static QTAILQ_HEAD(, Coroutine) co_runnable_queue =
+    QTAILQ_HEAD_INITIALIZER(co_runnable_queue);
+static QEMUBH* co_runnable_bh;
+
+static void qemu_co_process_runnable(void *opaque)
+{
+    Coroutine *next;
+
+    trace_qemu_co_process_runnable();
+    while ((next = QTAILQ_FIRST(&co_runnable_queue))) {
+        QTAILQ_REMOVE(&co_runnable_queue, next, co_queue_next);
+        qemu_coroutine_enter(next, NULL);
+    }
+}
+
+void qemu_co_runnable_schedule(Coroutine *co)
+{
+    QTAILQ_INSERT_TAIL(&co_runnable_queue, co, co_queue_next);
+    qemu_bh_schedule(co_runnable_bh);
+}
+
+static void __attribute__((constructor)) co_runnable_bh_init(void)
+{
+    co_runnable_bh = qemu_bh_new(qemu_co_process_runnable, NULL);
+}
 
 Coroutine *qemu_coroutine_create(CoroutineEntry *entry)
 {
diff --git a/qemu-coroutine.h b/qemu-coroutine.h
index 34c15d4..82a7e5c 100644
--- a/qemu-coroutine.h
+++ b/qemu-coroutine.h
@@ -82,6 +82,13 @@ void qemu_coroutine_enter(Coroutine *coroutine, void *opaque);
 void coroutine_fn qemu_coroutine_yield(void);
 
 /**
+ * Add a coroutine to runnable to runnable queue
+ *
+ * The coroutine will be processed later.
+ */
+void qemu_co_runnable_schedule(Coroutine *co);
+
+/**
  * Get the currently executing coroutine
  */
 Coroutine *coroutine_fn qemu_coroutine_self(void);
diff --git a/trace-events b/trace-events
index a1737c2..39b9c84 100644
--- a/trace-events
+++ b/trace-events
@@ -556,12 +556,12 @@ qemu_put_ram_ptr(void* addr) "%p"
 xen_platform_log(char *s) "xen platform: %s"
 
 # qemu-coroutine.c
+qemu_co_process_runnable(void) ""
 qemu_coroutine_enter(void *from, void *to, void *opaque) "from %p to %p opaque %p"
 qemu_coroutine_yield(void *from, void *to) "from %p to %p"
 qemu_coroutine_terminate(void *co) "self %p"
 
 # qemu-coroutine-lock.c
-qemu_co_process_runnable(void) ""
 qemu_co_queue_next(void *next) "next %p"
 qemu_co_mutex_lock_entry(void *mutex, void *self) "mutex %p self %p"
 qemu_co_mutex_lock_return(void *mutex, void *self) "mutex %p self %p"
-- 
1.7.4.4