#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>

static  long errno;

MODULE_AUTHOR("Constantine Gavrilov");
MODULE_DESCRIPTION("Simple test for syscall interface");
MODULE_LICENSE("GPL");

#ifdef CONFIG_X86_64
#include "gsyscall.h"
static long wrapper_umask (mode_t mask)
{
	long res = INLINE_SYSCALL(umask, 1, mask);
	return res;
}
#endif

static _syscall1(long, umask, int, mode);

static int __init syscall_test_init(void)
{
	long res;

	printk(KERN_INFO "syscall_test: via syscall macro\n");
	res=umask(0666);
	printk(KERN_INFO "syscall_test: via syscall macro -- result is %ld\n", res);
#ifdef CONFIG_X86_64
	printk(KERN_INFO "syscall_test: via INLINE_SYSCALL\n");
	res=wrapper_umask(0666);
	printk(KERN_INFO "syscall_test: via INLINE_SYSCALL -- result is %ld\n", res);
#endif
	return 0;
}

static void __exit syscall_test_exit(void)
{
	return;
}

module_init(syscall_test_init);
module_exit(syscall_test_exit);