32cad1ffb8
Headers in include/sysemu/ are not only related to system *emulation*, they are also used by virtualization. Rename as system/ which is clearer. Files renamed manually then mechanical change using sed tool. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Tested-by: Lei Yang <leiyang@redhat.com> Message-Id: <20241203172445.28576-1-philmd@linaro.org>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
|
|
* Event loop thread
|
|
*
|
|
* Copyright Red Hat Inc., 2013
|
|
*
|
|
* Authors:
|
|
* Stefan Hajnoczi <stefanha@redhat.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#ifndef IOTHREAD_H
|
|
#define IOTHREAD_H
|
|
|
|
#include "block/aio.h"
|
|
#include "qemu/thread.h"
|
|
#include "qom/object.h"
|
|
#include "system/event-loop-base.h"
|
|
|
|
#define TYPE_IOTHREAD "iothread"
|
|
|
|
struct IOThread {
|
|
EventLoopBase parent_obj;
|
|
|
|
QemuThread thread;
|
|
AioContext *ctx;
|
|
bool run_gcontext; /* whether we should run gcontext */
|
|
GMainContext *worker_context;
|
|
GMainLoop *main_loop;
|
|
QemuSemaphore init_done_sem; /* is thread init done? */
|
|
bool stopping; /* has iothread_stop() been called? */
|
|
bool running; /* should iothread_run() continue? */
|
|
int thread_id;
|
|
|
|
/* AioContext poll parameters */
|
|
int64_t poll_max_ns;
|
|
int64_t poll_grow;
|
|
int64_t poll_shrink;
|
|
};
|
|
typedef struct IOThread IOThread;
|
|
|
|
DECLARE_INSTANCE_CHECKER(IOThread, IOTHREAD,
|
|
TYPE_IOTHREAD)
|
|
|
|
char *iothread_get_id(IOThread *iothread);
|
|
IOThread *iothread_by_id(const char *id);
|
|
AioContext *iothread_get_aio_context(IOThread *iothread);
|
|
GMainContext *iothread_get_g_main_context(IOThread *iothread);
|
|
|
|
/*
|
|
* Helpers used to allocate iothreads for internal use. These
|
|
* iothreads will not be seen by monitor clients when query using
|
|
* "query-iothreads".
|
|
*/
|
|
IOThread *iothread_create(const char *id, Error **errp);
|
|
void iothread_stop(IOThread *iothread);
|
|
void iothread_destroy(IOThread *iothread);
|
|
|
|
/*
|
|
* Returns true if executing within IOThread context,
|
|
* false otherwise.
|
|
*/
|
|
bool qemu_in_iothread(void);
|
|
|
|
#endif /* IOTHREAD_H */
|