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
  23 struct cmd_struct;
  24
  25 char *get_session_name(void);
  26 void list_commands(struct cmd_struct *commands, FILE *ofp);
  27 void list_cmd_options(FILE *ofp, struct poptOption *options);
  28
  29 /*
  30  * Return the minimum order for which x <= (1UL << order).
  31  * Return -1 if x is 0.
  32  */
  33 int get_count_order_u32(uint32_t x);
  34
  35 /*
  36  * Return the minimum order for which x <= (1UL << order).
  37  * Return -1 if x is 0.
  38  */
  39 int get_count_order_u64(uint64_t x);
  40
  41 /*
  42  * Return the minimum order for which x <= (1UL << order).
  43  * Return -1 if x is 0.
  44  */
  45 int get_count_order_ulong(unsigned long x);
  46
  47 #endif /* _LTTNG_UTILS_H */