migration: add qemu_get_fd
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/savevm.c b/savevm.c
index a4158ec..a58fe9a 100644
--- a/savevm.c
+++ b/savevm.c
@@ -188,6 +188,13 @@
QEMUFile *file;
} QEMUFileSocket;
+static int socket_get_fd(void *opaque)
+{
+ QEMUFileSocket *s = opaque;
+
+ return s->fd;
+}
+
static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
{
QEMUFileSocket *s = opaque;
@@ -210,6 +217,13 @@
return 0;
}
+static int stdio_get_fd(void *opaque)
+{
+ QEMUFileStdio *s = opaque;
+
+ return fileno(s->stdio_file);
+}
+
static int stdio_put_buffer(void *opaque, const uint8_t *buf, int64_t pos, int size)
{
QEMUFileStdio *s = opaque;
@@ -253,11 +267,13 @@
}
static const QEMUFileOps stdio_pipe_read_ops = {
+ .get_fd = stdio_get_fd,
.get_buffer = stdio_get_buffer,
.close = stdio_pclose
};
static const QEMUFileOps stdio_pipe_write_ops = {
+ .get_fd = stdio_get_fd,
.put_buffer = stdio_put_buffer,
.close = stdio_pclose
};
@@ -307,11 +323,13 @@
}
static const QEMUFileOps stdio_file_read_ops = {
+ .get_fd = stdio_get_fd,
.get_buffer = stdio_get_buffer,
.close = stdio_fclose
};
static const QEMUFileOps stdio_file_write_ops = {
+ .get_fd = stdio_get_fd,
.put_buffer = stdio_put_buffer,
.close = stdio_fclose
};
@@ -345,6 +363,7 @@
}
static const QEMUFileOps socket_read_ops = {
+ .get_fd = socket_get_fd,
.get_buffer = socket_get_buffer,
.close = socket_close
};
@@ -492,6 +511,14 @@
qemu_file_set_error(f, len);
}
+int qemu_get_fd(QEMUFile *f)
+{
+ if (f->ops->get_fd) {
+ return f->ops->get_fd(f->opaque);
+ }
+ return -1;
+}
+
/** Closes the file
*
* Returns negative error value if any error happened on previous operations or