src/bin/lttng/utils.h

   1 /*
   2  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License, version 2 only,
   6  * as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #ifndef _LTTNG_UTILS_H
  19 #define _LTTNG_UTILS_H
  20
  21 #include <popt.h>
  22 #include "version.h"
  23
  24 #include <lttng/lttng.h>
  25
  26 extern char *opt_relayd_path;
  27
  28 struct cmd_struct;
  29
  30 char *get_session_name(void);
  31 void list_commands(struct cmd_struct *commands, FILE *ofp);
  32 void list_cmd_options(FILE *ofp, struct poptOption *options);
  33
  34 /*
  35  * Return the minimum order for which x <= (1UL << order).
  36  * Return -1 if x is 0.
  37  */
  38 int get_count_order_u32(uint32_t x);
  39
  40 /*
  41  * Return the minimum order for which x <= (1UL << order).
  42  * Return -1 if x is 0.
  43  */
  44 int get_count_order_u64(uint64_t x);
  45
  46 /*
  47  * Return the minimum order for which x <= (1UL << order).
  48  * Return -1 if x is 0.
  49  */
  50 int get_count_order_ulong(unsigned long x);
  51
  52 const char *get_domain_str(enum lttng_domain_type domain);
  53
  54 static inline
  55 void print_missing_domain(void)
  56 {
  57         ERR("Please specify a domain (-k/-u/-j).");
  58 }
  59
  60 int spawn_relayd(const char *pathname, int port);
  61 int check_relayd(void);
  62
  63 #endif /* _LTTNG_UTILS_H */