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util/aio-win32: Only select on what we are actually waiting for

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Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 9307b70e9876c4e9e3c4478524a32a23a3d5dd05.1499368180.git.alistair.francis@xilinx.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Alistair Francis 2017-07-06 13:15:14 -07:00 committed by Stefan Hajnoczi
parent 4871b51b92
commit 55d41b16ee
1 changed files with 10 additions and 3 deletions
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13
util/aio-win32.c
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@ -71,6 +71,7 @@ void aio_set_fd_handler(AioContext *ctx,
}
} else {
HANDLE event;
long bitmask = 0;
if (node == NULL) {
/* Alloc and insert if it's not already there */
@ -95,10 +96,16 @@ void aio_set_fd_handler(AioContext *ctx,
node->io_write = io_write;
node->is_external = is_external;
if (io_read) {
bitmask |= FD_READ | FD_ACCEPT | FD_CLOSE;
}
if (io_write) {
bitmask |= FD_WRITE | FD_CONNECT;
}
event = event_notifier_get_handle(&ctx->notifier);
WSAEventSelect(node->pfd.fd, event,
FD_READ | FD_ACCEPT | FD_CLOSE |
FD_CONNECT | FD_WRITE | FD_OOB);
WSAEventSelect(node->pfd.fd, event, bitmask);
}
qemu_lockcnt_unlock(&ctx->list_lock);