aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFam Zheng <famz@redhat.com>2015-10-23 11:08:05 +0800
committerKevin Wolf <kwolf@redhat.com>2015-10-23 18:18:23 +0200
commitdca21ef23ba48f6f1428c59f295a857e5dc203c8 (patch)
tree28daeefd49eb4e968495c755f1af3855486e3e61
parentd87d01e16a0e59a6af9634162cf0ded142b43e0d (diff)
downloadqemu-arm-dca21ef23ba48f6f1428c59f295a857e5dc203c8.tar.gz
aio: Add "is_external" flag for event handlers
All callers pass in false, and the real external ones will switch to true in coming patches. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--aio-posix.c6
-rw-r--r--aio-win32.c5
-rw-r--r--async.c3
-rw-r--r--block/curl.c14
-rw-r--r--block/iscsi.c9
-rw-r--r--block/linux-aio.c5
-rw-r--r--block/nbd-client.c10
-rw-r--r--block/nfs.c17
-rw-r--r--block/sheepdog.c38
-rw-r--r--block/ssh.c5
-rw-r--r--block/win32-aio.c5
-rw-r--r--hw/block/dataplane/virtio-blk.c6
-rw-r--r--hw/scsi/virtio-scsi-dataplane.c24
-rw-r--r--include/block/aio.h2
-rw-r--r--iohandler.c3
-rw-r--r--nbd.c4
-rw-r--r--tests/test-aio.c58
17 files changed, 130 insertions, 84 deletions
diff --git a/aio-posix.c b/aio-posix.c
index d4770336c5..f0f912258f 100644
--- a/aio-posix.c
+++ b/aio-posix.c
@@ -25,6 +25,7 @@ struct AioHandler
IOHandler *io_write;
int deleted;
void *opaque;
+ bool is_external;
QLIST_ENTRY(AioHandler) node;
};
@@ -43,6 +44,7 @@ static AioHandler *find_aio_handler(AioContext *ctx, int fd)
void aio_set_fd_handler(AioContext *ctx,
int fd,
+ bool is_external,
IOHandler *io_read,
IOHandler *io_write,
void *opaque)
@@ -82,6 +84,7 @@ void aio_set_fd_handler(AioContext *ctx,
node->io_read = io_read;
node->io_write = io_write;
node->opaque = opaque;
+ node->is_external = is_external;
node->pfd.events = (io_read ? G_IO_IN | G_IO_HUP | G_IO_ERR : 0);
node->pfd.events |= (io_write ? G_IO_OUT | G_IO_ERR : 0);
@@ -92,10 +95,11 @@ void aio_set_fd_handler(AioContext *ctx,
void aio_set_event_notifier(AioContext *ctx,
EventNotifier *notifier,
+ bool is_external,
EventNotifierHandler *io_read)
{
aio_set_fd_handler(ctx, event_notifier_get_fd(notifier),
- (IOHandler *)io_read, NULL, notifier);
+ is_external, (IOHandler *)io_read, NULL, notifier);
}
bool aio_prepare(AioContext *ctx)
diff --git a/aio-win32.c b/aio-win32.c
index 50a6867458..3110d856e4 100644
--- a/aio-win32.c
+++ b/aio-win32.c
@@ -28,11 +28,13 @@ struct AioHandler {
GPollFD pfd;
int deleted;
void *opaque;
+ bool is_external;
QLIST_ENTRY(AioHandler) node;
};
void aio_set_fd_handler(AioContext *ctx,
int fd,
+ bool is_external,
IOHandler *io_read,
IOHandler *io_write,
void *opaque)
@@ -86,6 +88,7 @@ void aio_set_fd_handler(AioContext *ctx,
node->opaque = opaque;
node->io_read = io_read;
node->io_write = io_write;
+ node->is_external = is_external;
event = event_notifier_get_handle(&ctx->notifier);
WSAEventSelect(node->pfd.fd, event,
@@ -98,6 +101,7 @@ void aio_set_fd_handler(AioContext *ctx,
void aio_set_event_notifier(AioContext *ctx,
EventNotifier *e,
+ bool is_external,
EventNotifierHandler *io_notify)
{
AioHandler *node;
@@ -133,6 +137,7 @@ void aio_set_event_notifier(AioContext *ctx,
node->e = e;
node->pfd.fd = (uintptr_t)event_notifier_get_handle(e);
node->pfd.events = G_IO_IN;
+ node->is_external = is_external;
QLIST_INSERT_HEAD(&ctx->aio_handlers, node, node);
g_source_add_poll(&ctx->source, &node->pfd);
diff --git a/async.c b/async.c
index efce14b63a..bdc64a3da9 100644
--- a/async.c
+++ b/async.c
@@ -247,7 +247,7 @@ aio_ctx_finalize(GSource *source)
}
qemu_mutex_unlock(&ctx->bh_lock);
- aio_set_event_notifier(ctx, &ctx->notifier, NULL);
+ aio_set_event_notifier(ctx, &ctx->notifier, false, NULL);
event_notifier_cleanup(&ctx->notifier);
rfifolock_destroy(&ctx->lock);
qemu_mutex_destroy(&ctx->bh_lock);
@@ -329,6 +329,7 @@ AioContext *aio_context_new(Error **errp)
}
g_source_set_can_recurse(&ctx->source, true);
aio_set_event_notifier(ctx, &ctx->notifier,
+ false,
(EventNotifierHandler *)
event_notifier_dummy_cb);
ctx->thread_pool = NULL;
diff --git a/block/curl.c b/block/curl.c
index 032cc8ae22..89941826ed 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -154,18 +154,20 @@ static int curl_sock_cb(CURL *curl, curl_socket_t fd, int action,
DPRINTF("CURL (AIO): Sock action %d on fd %d\n", action, fd);
switch (action) {
case CURL_POLL_IN:
- aio_set_fd_handler(s->aio_context, fd, curl_multi_read,
- NULL, state);
+ aio_set_fd_handler(s->aio_context, fd, false,
+ curl_multi_read, NULL, state);
break;
case CURL_POLL_OUT:
- aio_set_fd_handler(s->aio_context, fd, NULL, curl_multi_do, state);
+ aio_set_fd_handler(s->aio_context, fd, false,
+ NULL, curl_multi_do, state);
break;
case CURL_POLL_INOUT:
- aio_set_fd_handler(s->aio_context, fd, curl_multi_read,
- curl_multi_do, state);
+ aio_set_fd_handler(s->aio_context, fd, false,
+ curl_multi_read, curl_multi_do, state);
break;
case CURL_POLL_REMOVE:
- aio_set_fd_handler(s->aio_context, fd, NULL, NULL, NULL);
+ aio_set_fd_handler(s->aio_context, fd, false,
+ NULL, NULL, NULL);
break;
}
diff --git a/block/iscsi.c b/block/iscsi.c
index 93f1ee4c63..9a628b7c66 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -291,8 +291,8 @@ iscsi_set_events(IscsiLun *iscsilun)
int ev = iscsi_which_events(iscsi);
if (ev != iscsilun->events) {
- aio_set_fd_handler(iscsilun->aio_context,
- iscsi_get_fd(iscsi),
+ aio_set_fd_handler(iscsilun->aio_context, iscsi_get_fd(iscsi),
+ false,
(ev & POLLIN) ? iscsi_process_read : NULL,
(ev & POLLOUT) ? iscsi_process_write : NULL,
iscsilun);
@@ -1280,9 +1280,8 @@ static void iscsi_detach_aio_context(BlockDriverState *bs)
{
IscsiLun *iscsilun = bs->opaque;
- aio_set_fd_handler(iscsilun->aio_context,
- iscsi_get_fd(iscsilun->iscsi),
- NULL, NULL, NULL);
+ aio_set_fd_handler(iscsilun->aio_context, iscsi_get_fd(iscsilun->iscsi),
+ false, NULL, NULL, NULL);
iscsilun->events = 0;
if (iscsilun->nop_timer) {
diff --git a/block/linux-aio.c b/block/linux-aio.c
index c991443c5d..88b0520a8b 100644
--- a/block/linux-aio.c
+++ b/block/linux-aio.c
@@ -287,7 +287,7 @@ void laio_detach_aio_context(void *s_, AioContext *old_context)
{
struct qemu_laio_state *s = s_;
- aio_set_event_notifier(old_context, &s->e, NULL);
+ aio_set_event_notifier(old_context, &s->e, false, NULL);
qemu_bh_delete(s->completion_bh);
}
@@ -296,7 +296,8 @@ void laio_attach_aio_context(void *s_, AioContext *new_context)
struct qemu_laio_state *s = s_;
s->completion_bh = aio_bh_new(new_context, qemu_laio_completion_bh, s);
- aio_set_event_notifier(new_context, &s->e, qemu_laio_completion_cb);
+ aio_set_event_notifier(new_context, &s->e, false,
+ qemu_laio_completion_cb);
}
void *laio_init(void)
diff --git a/block/nbd-client.c b/block/nbd-client.c
index e1bb9198c5..b7fd17a115 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -124,7 +124,7 @@ static int nbd_co_send_request(BlockDriverState *bs,
s->send_coroutine = qemu_coroutine_self();
aio_context = bdrv_get_aio_context(bs);
- aio_set_fd_handler(aio_context, s->sock,
+ aio_set_fd_handler(aio_context, s->sock, false,
nbd_reply_ready, nbd_restart_write, bs);
if (qiov) {
if (!s->is_unix) {
@@ -144,7 +144,8 @@ static int nbd_co_send_request(BlockDriverState *bs,
} else {
rc = nbd_send_request(s->sock, request);
}
- aio_set_fd_handler(aio_context, s->sock, nbd_reply_ready, NULL, bs);
+ aio_set_fd_handler(aio_context, s->sock, false,
+ nbd_reply_ready, NULL, bs);
s->send_coroutine = NULL;
qemu_co_mutex_unlock(&s->send_mutex);
return rc;
@@ -348,14 +349,15 @@ int nbd_client_co_discard(BlockDriverState *bs, int64_t sector_num,
void nbd_client_detach_aio_context(BlockDriverState *bs)
{
aio_set_fd_handler(bdrv_get_aio_context(bs),
- nbd_get_client_session(bs)->sock, NULL, NULL, NULL);
+ nbd_get_client_session(bs)->sock,
+ false, NULL, NULL, NULL);
}
void nbd_client_attach_aio_context(BlockDriverState *bs,
AioContext *new_context)
{
aio_set_fd_handler(new_context, nbd_get_client_session(bs)->sock,
- nbd_reply_ready, NULL, bs);
+ false, nbd_reply_ready, NULL, bs);
}
void nbd_client_close(BlockDriverState *bs)
diff --git a/block/nfs.c b/block/nfs.c
index 887a98e3fc..fd79f89945 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -63,11 +63,10 @@ static void nfs_set_events(NFSClient *client)
{
int ev = nfs_which_events(client->context);
if (ev != client->events) {
- aio_set_fd_handler(client->aio_context,
- nfs_get_fd(client->context),
+ aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context),
+ false,
(ev & POLLIN) ? nfs_process_read : NULL,
- (ev & POLLOUT) ? nfs_process_write : NULL,
- client);
+ (ev & POLLOUT) ? nfs_process_write : NULL, client);
}
client->events = ev;
@@ -242,9 +241,8 @@ static void nfs_detach_aio_context(BlockDriverState *bs)
{
NFSClient *client = bs->opaque;
- aio_set_fd_handler(client->aio_context,
- nfs_get_fd(client->context),
- NULL, NULL, NULL);
+ aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context),
+ false, NULL, NULL, NULL);
client->events = 0;
}
@@ -263,9 +261,8 @@ static void nfs_client_close(NFSClient *client)
if (client->fh) {
nfs_close(client->context, client->fh);
}
- aio_set_fd_handler(client->aio_context,
- nfs_get_fd(client->context),
- NULL, NULL, NULL);
+ aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context),
+ false, NULL, NULL, NULL);
nfs_destroy_context(client->context);
}
memset(client, 0, sizeof(NFSClient));
diff --git a/block/sheepdog.c b/block/sheepdog.c
index e7e58b782c..d80e4ed18d 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -651,14 +651,16 @@ static coroutine_fn void do_co_req(void *opaque)
unsigned int *rlen = srco->rlen;
co = qemu_coroutine_self();
- aio_set_fd_handler(srco->aio_context, sockfd, NULL, restart_co_req, co);
+ aio_set_fd_handler(srco->aio_context, sockfd, false,
+ NULL, restart_co_req, co);
ret = send_co_req(sockfd, hdr, data, wlen);
if (ret < 0) {
goto out;
}
- aio_set_fd_handler(srco->aio_context, sockfd, restart_co_req, NULL, co);
+ aio_set_fd_handler(srco->aio_context, sockfd, false,
+ restart_co_req, NULL, co);
ret = qemu_co_recv(sockfd, hdr, sizeof(*hdr));
if (ret != sizeof(*hdr)) {
@@ -683,7 +685,8 @@ static coroutine_fn void do_co_req(void *opaque)
out:
/* there is at most one request for this sockfd, so it is safe to
* set each handler to NULL. */
- aio_set_fd_handler(srco->aio_context, sockfd, NULL, NULL, NULL);
+ aio_set_fd_handler(srco->aio_context, sockfd, false,
+ NULL, NULL, NULL);
srco->ret = ret;
srco->finished = true;
@@ -735,7 +738,8 @@ static coroutine_fn void reconnect_to_sdog(void *opaque)
BDRVSheepdogState *s = opaque;
AIOReq *aio_req, *next;
- aio_set_fd_handler(s->aio_context, s->fd, NULL, NULL, NULL);
+ aio_set_fd_handler(s->aio_context, s->fd, false, NULL,
+ NULL, NULL);
close(s->fd);
s->fd = -1;
@@ -938,7 +942,8 @@ static int get_sheep_fd(BDRVSheepdogState *s, Error **errp)
return fd;
}
- aio_set_fd_handler(s->aio_context, fd, co_read_response, NULL, s);
+ aio_set_fd_handler(s->aio_context, fd, false,
+ co_read_response, NULL, s);
return fd;
}
@@ -1199,7 +1204,7 @@ static void coroutine_fn add_aio_request(BDRVSheepdogState *s, AIOReq *aio_req,
qemu_co_mutex_lock(&s->lock);
s->co_send = qemu_coroutine_self();
- aio_set_fd_handler(s->aio_context, s->fd,
+ aio_set_fd_handler(s->aio_context, s->fd, false,
co_read_response, co_write_request, s);
socket_set_cork(s->fd, 1);
@@ -1218,7 +1223,8 @@ static void coroutine_fn add_aio_request(BDRVSheepdogState *s, AIOReq *aio_req,
}
out:
socket_set_cork(s->fd, 0);
- aio_set_fd_handler(s->aio_context, s->fd, co_read_response, NULL, s);
+ aio_set_fd_handler(s->aio_context, s->fd, false,
+ co_read_response, NULL, s);
s->co_send = NULL;
qemu_co_mutex_unlock(&s->lock);
}
@@ -1368,7 +1374,8 @@ static void sd_detach_aio_context(BlockDriverState *bs)
{
BDRVSheepdogState *s = bs->opaque;
- aio_set_fd_handler(s->aio_context, s->fd, NULL, NULL, NULL);
+ aio_set_fd_handler(s->aio_context, s->fd, false, NULL,
+ NULL, NULL);
}
static void sd_attach_aio_context(BlockDriverState *bs,
@@ -1377,7 +1384,8 @@ static void sd_attach_aio_context(BlockDriverState *bs,
BDRVSheepdogState *s = bs->opaque;
s->aio_context = new_context;
- aio_set_fd_handler(new_context, s->fd, co_read_response, NULL, s);
+ aio_set_fd_handler(new_context, s->fd, false,
+ co_read_response, NULL, s);
}
/* TODO Convert to fine grained options */
@@ -1490,7 +1498,8 @@ static int sd_open(BlockDriverState *bs, QDict *options, int flags,
g_free(buf);
return 0;
out:
- aio_set_fd_handler(bdrv_get_aio_context(bs), s->fd, NULL, NULL, NULL);
+ aio_set_fd_handler(bdrv_get_aio_context(bs), s->fd,
+ false, NULL, NULL, NULL);
if (s->fd >= 0) {
closesocket(s->fd);
}
@@ -1528,7 +1537,8 @@ static void sd_reopen_commit(BDRVReopenState *state)
BDRVSheepdogState *s = state->bs->opaque;
if (s->fd) {
- aio_set_fd_handler(s->aio_context, s->fd, NULL, NULL, NULL);
+ aio_set_fd_handler(s->aio_context, s->fd, false,
+ NULL, NULL, NULL);
closesocket(s->fd);
}
@@ -1551,7 +1561,8 @@ static void sd_reopen_abort(BDRVReopenState *state)
}
if (re_s->fd) {
- aio_set_fd_handler(s->aio_context, re_s->fd, NULL, NULL, NULL);
+ aio_set_fd_handler(s->aio_context, re_s->fd, false,
+ NULL, NULL, NULL);
closesocket(re_s->fd);
}
@@ -1935,7 +1946,8 @@ static void sd_close(BlockDriverState *bs)
error_report("%s, %s", sd_strerror(rsp->result), s->name);
}
- aio_set_fd_handler(bdrv_get_aio_context(bs), s->fd, NULL, NULL, NULL);
+ aio_set_fd_handler(bdrv_get_aio_context(bs), s->fd,
+ false, NULL, NULL, NULL);
closesocket(s->fd);
g_free(s->host_spec);
}
diff --git a/block/ssh.c b/block/ssh.c
index d35b51f987..af025c08a0 100644
--- a/block/ssh.c
+++ b/block/ssh.c
@@ -800,14 +800,15 @@ static coroutine_fn void set_fd_handler(BDRVSSHState *s, BlockDriverState *bs)
rd_handler, wr_handler);
aio_set_fd_handler(bdrv_get_aio_context(bs), s->sock,
- rd_handler, wr_handler, co);
+ false, rd_handler, wr_handler, co);
}
static coroutine_fn void clear_fd_handler(BDRVSSHState *s,
BlockDriverState *bs)
{
DPRINTF("s->sock=%d", s->sock);
- aio_set_fd_handler(bdrv_get_aio_context(bs), s->sock, NULL, NULL, NULL);
+ aio_set_fd_handler(bdrv_get_aio_context(bs), s->sock,
+ false, NULL, NULL, NULL);
}
/* A non-blocking call returned EAGAIN, so yield, ensuring the
diff --git a/block/win32-aio.c b/block/win32-aio.c
index 64e86827bc..bbf2f01c12 100644
--- a/block/win32-aio.c
+++ b/block/win32-aio.c
@@ -174,7 +174,7 @@ int win32_aio_attach(QEMUWin32AIOState *aio, HANDLE hfile)
void win32_aio_detach_aio_context(QEMUWin32AIOState *aio,
AioContext *old_context)
{
- aio_set_event_notifier(old_context, &aio->e, NULL);
+ aio_set_event_notifier(old_context, &aio->e, false, NULL);
aio->is_aio_context_attached = false;
}
@@ -182,7 +182,8 @@ void win32_aio_attach_aio_context(QEMUWin32AIOState *aio,
AioContext *new_context)
{
aio->is_aio_context_attached = true;
- aio_set_event_notifier(new_context, &aio->e, win32_aio_completion_cb);
+ aio_set_event_notifier(new_context, &aio->e, false,
+ win32_aio_completion_cb);
}
QEMUWin32AIOState *win32_aio_init(void)
diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
index 6106e46158..f8716bc73e 100644
--- a/hw/block/dataplane/virtio-blk.c
+++ b/hw/block/dataplane/virtio-blk.c
@@ -283,7 +283,8 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s)
/* Get this show started by hooking up our callbacks */
aio_context_acquire(s->ctx);
- aio_set_event_notifier(s->ctx, &s->host_notifier, handle_notify);
+ aio_set_event_notifier(s->ctx, &s->host_notifier, false,
+ handle_notify);
aio_context_release(s->ctx);
return;
@@ -319,7 +320,8 @@ void virtio_blk_data_plane_stop(VirtIOBlockDataPlane *s)
aio_context_acquire(s->ctx);
/* Stop notifications for new requests from guest */
- aio_set_event_notifier(s->ctx, &s->host_notifier, NULL);
+ aio_set_event_notifier(s->ctx, &s->host_notifier, false,
+ NULL);
/* Drain and switch bs back to the QEMU main loop */
blk_set_aio_context(s->conf->conf.blk, qemu_get_aio_context());
diff --git a/hw/scsi/virtio-scsi-dataplane.c b/hw/scsi/virtio-scsi-dataplane.c
index 1248fd93ee..21f51dfe02 100644
--- a/hw/scsi/virtio-scsi-dataplane.c
+++ b/hw/scsi/virtio-scsi-dataplane.c
@@ -60,7 +60,8 @@ static VirtIOSCSIVring *virtio_scsi_vring_init(VirtIOSCSI *s,
r = g_new(VirtIOSCSIVring, 1);
r->host_notifier = *virtio_queue_get_host_notifier(vq);
r->guest_notifier = *virtio_queue_get_guest_notifier(vq);
- aio_set_event_notifier(s->ctx, &r->host_notifier, handler);
+ aio_set_event_notifier(s->ctx, &r->host_notifier, false,
+ handler);
r->parent = s;
@@ -71,7 +72,8 @@ static VirtIOSCSIVring *virtio_scsi_vring_init(VirtIOSCSI *s,
return r;
fail_vring:
- aio_set_event_notifier(s->ctx, &r->host_notifier, NULL);
+ aio_set_event_notifier(s->ctx, &r->host_notifier, false,
+ NULL);
k->set_host_notifier(qbus->parent, n, false);
g_free(r);
return NULL;
@@ -162,14 +164,17 @@ static void virtio_scsi_clear_aio(VirtIOSCSI *s)
int i;
if (s->ctrl_vring) {
- aio_set_event_notifier(s->ctx, &s->ctrl_vring->host_notifier, NULL);
+ aio_set_event_notifier(s->ctx, &s->ctrl_vring->host_notifier,
+ false, NULL);
}
if (s->event_vring) {
- aio_set_event_notifier(s->ctx, &s->event_vring->host_notifier, NULL);
+ aio_set_event_notifier(s->ctx, &s->event_vring->host_notifier,
+ false, NULL);
}
if (s->cmd_vrings) {
for (i = 0; i < vs->conf.num_queues && s->cmd_vrings[i]; i++) {
- aio_set_event_notifier(s->ctx, &s->cmd_vrings[i]->host_notifier, NULL);
+ aio_set_event_notifier(s->ctx, &s->cmd_vrings[i]->host_notifier,
+ false, NULL);
}
}
}
@@ -290,10 +295,13 @@ void virtio_scsi_dataplane_stop(VirtIOSCSI *s)
aio_context_acquire(s->ctx);
- aio_set_event_notifier(s->ctx, &s->ctrl_vring->host_notifier, NULL);
- aio_set_event_notifier(s->ctx, &s->event_vring->host_notifier, NULL);
+ aio_set_event_notifier(s->ctx, &s->ctrl_vring->host_notifier,
+ false, NULL);
+ aio_set_event_notifier(s->ctx, &s->event_vring->host_notifier,
+ false, NULL);
for (i = 0; i < vs->conf.num_queues; i++) {
- aio_set_event_notifier(s->ctx, &s->cmd_vrings[i]->host_notifier, NULL);
+ aio_set_event_notifier(s->ctx, &s->cmd_vrings[i]->host_notifier,
+ false, NULL);
}
blk_drain_all(); /* ensure there are no in-flight requests */
diff --git a/include/block/aio.h b/include/block/aio.h
index 400b1b0020..12f11414e4 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -299,6 +299,7 @@ bool aio_poll(AioContext *ctx, bool blocking);
*/
void aio_set_fd_handler(AioContext *ctx,
int fd,
+ bool is_external,
IOHandler *io_read,
IOHandler *io_write,
void *opaque);
@@ -312,6 +313,7 @@ void aio_set_fd_handler(AioContext *ctx,
*/
void aio_set_event_notifier(AioContext *ctx,
EventNotifier *notifier,
+ bool is_external,
EventNotifierHandler *io_read);
/* Return a GSource that lets the main loop poll the file descriptors attached
diff --git a/iohandler.c b/iohandler.c
index 55f8501524..eb68083559 100644
--- a/iohandler.c
+++ b/iohandler.c
@@ -55,7 +55,8 @@ void qemu_set_fd_handler(int fd,
void *opaque)
{
iohandler_init();
- aio_set_fd_handler(iohandler_ctx, fd, fd_read, fd_write, opaque);
+ aio_set_fd_handler(iohandler_ctx, fd, false,
+ fd_read, fd_write, opaque);
}
/* reaping of zombies. right now we're not passing the status to
diff --git a/nbd.c b/nbd.c
index fc34c449c8..7eb6f3fd61 100644
--- a/nbd.c
+++ b/nbd.c
@@ -1446,6 +1446,7 @@ static void nbd_set_handlers(NBDClient *client)
{
if (client->exp && client->exp->ctx) {
aio_set_fd_handler(client->exp->ctx, client->sock,
+ false,
client->can_read ? nbd_read : NULL,
client->send_coroutine ? nbd_restart_write : NULL,
client);
@@ -1455,7 +1456,8 @@ static void nbd_set_handlers(NBDClient *client)
static void nbd_unset_handlers(NBDClient *client)
{
if (client->exp && client->exp->ctx) {
- aio_set_fd_handler(client->exp->ctx, client->sock, NULL, NULL, NULL);
+ aio_set_fd_handler(client->exp->ctx, client->sock,
+ false, NULL, NULL, NULL);
}
}
diff --git a/tests/test-aio.c b/tests/test-aio.c
index 217e33772e..03cd45d82b 100644
--- a/tests/test-aio.c
+++ b/tests/test-aio.c
@@ -118,6 +118,12 @@ static void *test_acquire_thread(void *opaque)
return NULL;
}
+static void set_event_notifier(AioContext *ctx, EventNotifier *notifier,
+ EventNotifierHandler *handler)
+{
+ aio_set_event_notifier(ctx, notifier, false, handler);
+}
+
static void dummy_notifier_read(EventNotifier *unused)
{
g_assert(false); /* should never be invoked */
@@ -131,7 +137,7 @@ static void test_acquire(void)
/* Dummy event notifier ensures aio_poll() will block */
event_notifier_init(&notifier, false);
- aio_set_event_notifier(ctx, &notifier, dummy_notifier_read);
+ set_event_notifier(ctx, &notifier, dummy_notifier_read);
g_assert(!aio_poll(ctx, false)); /* consume aio_notify() */
qemu_mutex_init(&data.start_lock);
@@ -149,7 +155,7 @@ static void test_acquire(void)
aio_context_release(ctx);
qemu_thread_join(&thread);
- aio_set_event_notifier(ctx, &notifier, NULL);
+ set_event_notifier(ctx, &notifier, NULL);
event_notifier_cleanup(&notifier);
g_assert(data.thread_acquired);
@@ -308,11 +314,11 @@ static void test_set_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 0 };
event_notifier_init(&data.e, false);
- aio_set_event_notifier(ctx, &data.e, event_ready_cb);
+ set_event_notifier(ctx, &data.e, event_ready_cb);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
- aio_set_event_notifier(ctx, &data.e, NULL);
+ set_event_notifier(ctx, &data.e, NULL);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
event_notifier_cleanup(&data.e);
@@ -322,7 +328,7 @@ static void test_wait_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 1 };
event_notifier_init(&data.e, false);
- aio_set_event_notifier(ctx, &data.e, event_ready_cb);
+ set_event_notifier(ctx, &data.e, event_ready_cb);
while (aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
g_assert_cmpint(data.active, ==, 1);
@@ -336,7 +342,7 @@ static void test_wait_event_notifier(void)
g_assert_cmpint(data.n, ==, 1);
g_assert_cmpint(data.active, ==, 0);
- aio_set_event_notifier(ctx, &data.e, NULL);
+ set_event_notifier(ctx, &data.e, NULL);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 1);
@@ -347,7 +353,7 @@ static void test_flush_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 10, .auto_set = true };
event_notifier_init(&data.e, false);
- aio_set_event_notifier(ctx, &data.e, event_ready_cb);
+ set_event_notifier(ctx, &data.e, event_ready_cb);
while (aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
g_assert_cmpint(data.active, ==, 10);
@@ -363,7 +369,7 @@ static void test_flush_event_notifier(void)
g_assert_cmpint(data.active, ==, 0);
g_assert(!aio_poll(ctx, false));
- aio_set_event_notifier(ctx, &data.e, NULL);
+ set_event_notifier(ctx, &data.e, NULL);
g_assert(!aio_poll(ctx, false));
event_notifier_cleanup(&data.e);
}
@@ -374,7 +380,7 @@ static void test_wait_event_notifier_noflush(void)
EventNotifierTestData dummy = { .n = 0, .active = 1 };
event_notifier_init(&data.e, false);
- aio_set_event_notifier(ctx, &data.e, event_ready_cb);
+ set_event_notifier(ctx, &data.e, event_ready_cb);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
@@ -387,7 +393,7 @@ static void test_wait_event_notifier_noflush(void)
/* An active event notifier forces aio_poll to look at EventNotifiers. */
event_notifier_init(&dummy.e, false);
- aio_set_event_notifier(ctx, &dummy.e, event_ready_cb);
+ set_event_notifier(ctx, &dummy.e, event_ready_cb);
event_notifier_set(&data.e);
g_assert(aio_poll(ctx, false));
@@ -407,10 +413,10 @@ static void test_wait_event_notifier_noflush(void)
g_assert_cmpint(dummy.n, ==, 1);
g_assert_cmpint(dummy.active, ==, 0);
- aio_set_event_notifier(ctx, &dummy.e, NULL);
+ set_event_notifier(ctx, &dummy.e, NULL);
event_notifier_cleanup(&dummy.e);
- aio_set_event_notifier(ctx, &data.e, NULL);
+ set_event_notifier(ctx, &data.e, NULL);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 2);
@@ -428,7 +434,7 @@ static void test_timer_schedule(void)
* an fd to wait on. Fixing this breaks other tests. So create a dummy one.
*/
event_notifier_init(&e, false);
- aio_set_event_notifier(ctx, &e, dummy_io_handler_read);
+ set_event_notifier(ctx, &e, dummy_io_handler_read);
aio_poll(ctx, false);
aio_timer_init(ctx, &data.timer, data.clock_type,
@@ -467,7 +473,7 @@ static void test_timer_schedule(void)
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 2);
- aio_set_event_notifier(ctx, &e, NULL);
+ set_event_notifier(ctx, &e, NULL);
event_notifier_cleanup(&e);
timer_del(&data.timer);
@@ -638,11 +644,11 @@ static void test_source_set_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 0 };
event_notifier_init(&data.e, false);
- aio_set_event_notifier(ctx, &data.e, event_ready_cb);
+ set_event_notifier(ctx, &data.e, event_ready_cb);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
- aio_set_event_notifier(ctx, &data.e, NULL);
+ set_event_notifier(ctx, &data.e, NULL);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
event_notifier_cleanup(&data.e);
@@ -652,7 +658,7 @@ static void test_source_wait_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 1 };
event_notifier_init(&data.e, false);
- aio_set_event_notifier(ctx, &data.e, event_ready_cb);
+ set_event_notifier(ctx, &data.e, event_ready_cb);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
g_assert_cmpint(data.active, ==, 1);
@@ -666,7 +672,7 @@ static void test_source_wait_event_notifier(void)
g_assert_cmpint(data.n, ==, 1);
g_assert_cmpint(data.active, ==, 0);
- aio_set_event_notifier(ctx, &data.e, NULL);
+ set_event_notifier(ctx, &data.e, NULL);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 1);
@@ -677,7 +683,7 @@ static void test_source_flush_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 10, .auto_set = true };
event_notifier_init(&data.e, false);
- aio_set_event_notifier(ctx, &data.e, event_ready_cb);
+ set_event_notifier(ctx, &data.e, event_ready_cb);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
g_assert_cmpint(data.active, ==, 10);
@@ -693,7 +699,7 @@ static void test_source_flush_event_notifier(void)
g_assert_cmpint(data.active, ==, 0);
g_assert(!g_main_context_iteration(NULL, false));
- aio_set_event_notifier(ctx, &data.e, NULL);
+ set_event_notifier(ctx, &data.e, NULL);
while (g_main_context_iteration(NULL, false));
event_notifier_cleanup(&data.e);
}
@@ -704,7 +710,7 @@ static void test_source_wait_event_notifier_noflush(void)
EventNotifierTestData dummy = { .n = 0, .active = 1 };
event_notifier_init(&data.e, false);
- aio_set_event_notifier(ctx, &data.e, event_ready_cb);
+ set_event_notifier(ctx, &data.e, event_ready_cb);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
@@ -717,7 +723,7 @@ static void test_source_wait_event_notifier_noflush(void)
/* An active event notifier forces aio_poll to look at EventNotifiers. */
event_notifier_init(&dummy.e, false);
- aio_set_event_notifier(ctx, &dummy.e, event_ready_cb);
+ set_event_notifier(ctx, &dummy.e, event_ready_cb);
event_notifier_set(&data.e);
g_assert(g_main_context_iteration(NULL, false));
@@ -737,10 +743,10 @@ static void test_source_wait_event_notifier_noflush(void)
g_assert_cmpint(dummy.n, ==, 1);
g_assert_cmpint(dummy.active, ==, 0);
- aio_set_event_notifier(ctx, &dummy.e, NULL);
+ set_event_notifier(ctx, &dummy.e, NULL);
event_notifier_cleanup(&dummy.e);
- aio_set_event_notifier(ctx, &data.e, NULL);
+ set_event_notifier(ctx, &data.e, NULL);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 2);
@@ -759,7 +765,7 @@ static void test_source_timer_schedule(void)
* an fd to wait on. Fixing this breaks other tests. So create a dummy one.
*/
event_notifier_init(&e, false);
- aio_set_event_notifier(ctx, &e, dummy_io_handler_read);
+ set_event_notifier(ctx, &e, dummy_io_handler_read);
do {} while (g_main_context_iteration(NULL, false));
aio_timer_init(ctx, &data.timer, data.clock_type,
@@ -784,7 +790,7 @@ static void test_source_timer_schedule(void)
g_assert_cmpint(data.n, ==, 2);
g_assert(qemu_clock_get_ns(data.clock_type) > expiry);
- aio_set_event_notifier(ctx, &e, NULL);
+ set_event_notifier(ctx, &e, NULL);
event_notifier_cleanup(&e);
timer_del(&data.timer);