kmod.h

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2#ifndef __LINUX_KMOD_H__
 3#define __LINUX_KMOD_H__
 4
 5/*
 6 *	include/linux/kmod.h
 7 */
 8
 9#include <linux/umh.h>
10#include <linux/gfp.h>
11#include <linux/stddef.h>
12#include <linux/errno.h>
13#include <linux/compiler.h>
14#include <linux/workqueue.h>
15#include <linux/sysctl.h>
16
17#ifdef CONFIG_MODULES
18/* modprobe exit status on success, -ve on error.  Return value
19 * usually useless though. */
20extern __printf(2, 3)
21int __request_module(bool wait, const char *name, ...);
22#define request_module(mod...) __request_module(true, mod)
23#define request_module_nowait(mod...) __request_module(false, mod)
24#define try_then_request_module(x, mod...) \
25	((x) ?: (__request_module(true, mod), (x)))
26#else
27static inline int request_module(const char *name, ...) { return -ENOSYS; }
28static inline int request_module_nowait(const char *name, ...) { return -ENOSYS; }
29#define try_then_request_module(x, mod...) (x)
30#endif
31
32#endif /* __LINUX_KMOD_H__ */