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