1 /* 2 * Copyright (C) 2000, 2002 Jeff Dike (jdike@karaya.com) 3 * Licensed under the GPL 4 */ 5 6 #include "linux/module.h" 7 #include "linux/sched.h" 8 #include "user_util.h" 9 #include "kern_util.h" 10 #include "kern.h" 11 #include "os.h" 12 #include "mode.h" 13 #include "choose-mode.h" 14 15 void (*pm_power_off)(void); 16 17 #ifdef CONFIG_SMP 18 static void kill_idlers(int me) 19 { 20 #ifdef CONFIG_MODE_TT 21 struct task_struct *p; 22 int i; 23 24 for(i = 0; i < sizeof(idle_threads)/sizeof(idle_threads[0]); i++){ 25 p = idle_threads[i]; 26 if((p != NULL) && (p->thread.mode.tt.extern_pid != me)) 27 os_kill_process(p->thread.mode.tt.extern_pid, 0); 28 } 29 #endif 30 } 31 #endif 32 33 static void kill_off_processes(void) 34 { 35 CHOOSE_MODE(kill_off_processes_tt(), kill_off_processes_skas()); 36 #ifdef CONFIG_SMP 37 kill_idlers(os_getpid()); 38 #endif 39 } 40 41 void uml_cleanup(void) 42 { 43 kmalloc_ok = 0; 44 do_uml_exitcalls(); 45 kill_off_processes(); 46 } 47 48 void machine_restart(char * __unused) 49 { 50 uml_cleanup(); 51 CHOOSE_MODE(reboot_tt(), reboot_skas()); 52 } 53 54 void machine_power_off(void) 55 { 56 uml_cleanup(); 57 CHOOSE_MODE(halt_tt(), halt_skas()); 58 } 59 60 void machine_halt(void) 61 { 62 machine_power_off(); 63 } 64 65 /* 66 * Overrides for Emacs so that we follow Linus's tabbing style. 67 * Emacs will notice this stuff at the end of the file and automatically 68 * adjust the settings for this buffer only. This must remain at the end 69 * of the file. 70 * --------------------------------------------------------------------------- 71 * Local variables: 72 * c-file-style: "linux" 73 * End: 74 */ 75