Hi >-----Original Message----- >From: raja [mailto:vnagaraju@xxxxxxxxxxxx] >Sent: Tuesday, September 13, 2005 6:19 PM >To: kernelnewbies >Subject: dynamic timers > >Hi, > I am writing a module that runs a dynamic timer.In the init function >i defined a timer and given 'expires' as jiffies+3000 >when i insert the module into the kernel the system is hanging and mouse >is also hanging. >the code is as follows. > >> #ifndef __KERNEL__ >> #define __KERNEL__ >> #endif >> >> #ifndef MODULE >> #define MODULE >> #endif >> >> #include <linux/init.h> >> #include <linux/module.h> >> #include <linux/kernel.h> >> #include <linux/timer.h> >> #include <linux/jiffies.h> >> >> MODULE_AUTHOR("RAJA"); >> MODULE_DESCRIPTION("TIMER_1"); >> MODULE_LICENSE("GPL"); >> >> static int __init init_timer1(void); >> static void __exit exit_timer1(void); >> >> void timer_func(unsigned long data) >> { >> printk("Hello! Timer Has Expired\n"); >> } >> >> static int __init init_timer1() >> { >> printk("Entered Into Init Function\n"); >> struct timer_list my_timer; Just make this "timer_list" variable global. Sanjay >> init_timer(&my_timer); >> my_timer.expires = (jiffies + 3000); >> my_timer.data = 0; >> my_timer.function = timer_func; >> add_timer(&my_timer); >> return 0; >> } >> >> static void __exit exit_timer1() >> { >> printk("Entered Into Exit Function\n"); >> } >> >> module_init(init_timer1); >> module_exit(exit_timer1); > >will you please help me what is wrong with it? > > >-- >Kernelnewbies: Help each other learn about the Linux kernel. >Archive: http://mail.nl.linux.org/kernelnewbies/ >FAQ: http://kernelnewbies.org/faq/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
