| 1 | /* |
| 2 | * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com) |
| 3 | * |
| 4 | * Wrapper around task_prio call. |
| 5 | * |
| 6 | * Dual LGPL v2.1/GPL v2 license. |
| 7 | */ |
| 8 | |
| 9 | #include <linux/kallsyms.h> |
| 10 | #include <linux/sched.h> |
| 11 | |
| 12 | void (*wrapper_task_prio_sym)(struct task_struct *t); |
| 13 | |
| 14 | int wrapper_task_prio_init(void) |
| 15 | { |
| 16 | wrapper_task_prio_sym = (void *) kallsyms_lookup_name("task_prio"); |
| 17 | if (!wrapper_task_prio_sym) { |
| 18 | printk(KERN_WARNING "LTTng: task_prio symbol lookup failed.\n"); |
| 19 | return -EINVAL; |
| 20 | } |
| 21 | return 0; |
| 22 | } |