This is the place to initialize platform specific bits of AioContext.
Signed-off-by: Fam Zheng <f...@redhat.com>
---
aio-posix.c | 4 ++++
aio-win32.c | 4 ++++
async.c | 13 +++++++++++--
include/block/aio.h | 8 ++++++++
4 files changed, 27 insertions(+), 2 deletions(-)
diff --git a/aio-posix.c b/aio-posix.c
index d477033..597cb35 100644
--- a/aio-posix.c
+++ b/aio-posix.c
@@ -297,3 +297,7 @@ bool aio_poll(AioContext *ctx, bool blocking)
return progress;
}
+
+void aio_context_setup(AioContext *ctx, Error **errp)
+{
+}
diff --git a/aio-win32.c b/aio-win32.c
index 50a6867..4742af3 100644
--- a/aio-win32.c
+++ b/aio-win32.c
@@ -363,3 +363,7 @@ bool aio_poll(AioContext *ctx, bool blocking)
aio_context_release(ctx);
return progress;
}
+
+void aio_context_setup(AioContext *ctx, Error **errp)
+{
+}
diff --git a/async.c b/async.c
index efce14b..f4b1410 100644
--- a/async.c
+++ b/async.c
@@ -320,12 +320,18 @@ AioContext *aio_context_new(Error **errp)
{
int ret;
AioContext *ctx;
+ Error *local_err = NULL;
+
ctx = (AioContext *) g_source_new(&aio_source_funcs, sizeof(AioContext));
+ aio_context_setup(ctx, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ goto fail;
+ }
ret = event_notifier_init(&ctx->notifier, false);
if (ret < 0) {
- g_source_destroy(&ctx->source);
error_setg_errno(errp, -ret, "Failed to initialize event notifier");
- return NULL;
+ goto fail;
}
g_source_set_can_recurse(&ctx->source, true);
aio_set_event_notifier(ctx, &ctx->notifier,
@@ -339,6 +345,9 @@ AioContext *aio_context_new(Error **errp)
ctx->notify_dummy_bh = aio_bh_new(ctx, notify_dummy_bh, NULL);
return ctx;
+fail:
+ g_source_destroy(&ctx->source);
+ return NULL;
}
void aio_context_ref(AioContext *ctx)
diff --git a/include/block/aio.h b/include/block/aio.h
index 400b1b0..a6fd5ad 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -373,4 +373,12 @@ static inline void aio_timer_init(AioContext *ctx,
*/
int64_t aio_compute_timeout(AioContext *ctx);
+/**
+ * aio_context_setup:
+ * @ctx: the aio context
+ *
+ * Initialize the aio context.
+ */
+void aio_context_setup(AioContext *ctx, Error **errp);
+
#endif
--
2.4.3
