Edit file File name : control.h Content :/* -*- linux-c -*- * * control channel header * Copyright (C) 2009-2018 Red Hat Inc. * * This file is part of systemtap, and is free software. You can * redistribute it and/or modify it under the terms of the GNU General * Public License (GPL); either version 2, or (at your option) any * later version. */ #ifndef _CONTROL_H_ #define _CONTROL_H_ #include <linux/spinlock.h> #include <linux/list.h> #include "../stp_helper_lock.h" static struct list_head _stp_ctl_ready_q; static stp_spinlock_t _stp_ctl_ready_lock; static wait_queue_head_t _stp_ctl_wq; struct _stp_buffer { struct list_head list; int len; int type; char buf[STP_CTL_BUFFER_SIZE]; }; static struct file_operations _stp_ctl_fops_cmd; #ifdef STAPCONF_PROC_OPS static struct proc_ops _stp_ctl_proc_ops_cmd; #endif static int _stp_ctl_send(int type, void *data, unsigned len); static int _stp_ctl_send_notify(int type, void *data, unsigned len); static void _stp_ctl_log_werr(const char *logtype, size_t logtype_len, const char *fmt, va_list args) __attribute((format(printf, 3, 0))); static int _stp_ctl_write_fs(int type, void *data, unsigned len); static int _stp_register_ctl_channel(void); static void _stp_unregister_ctl_channel(void); static int _stp_register_ctl_channel_fs(void); static void _stp_unregister_ctl_channel_fs(void); #endif /* _CONTROL_H_ */ Save