exec/util.h

   1 /*
   2  * Copyright (c) 2002-2004 MontaVista Software, Inc.
   3  * Copyright (c) 2004 Open Source Development Lab
   4  * Copyright (c) 2006-2017 Red Hat, Inc.
   5  *
   6  * All rights reserved.
   7  *
   8  * Author: Steven Dake (sdake@redhat.com), Mark Haverkamp (markh@osdl.org)
   9  *
  10  * This software licensed under BSD license, the text of which follows:
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions are met:
  14  *
  15  * - Redistributions of source code must retain the above copyright notice,
  16  *   this list of conditions and the following disclaimer.
  17  * - Redistributions in binary form must reproduce the above copyright notice,
  18  *   this list of conditions and the following disclaimer in the documentation
  19  *   and/or other materials provided with the distribution.
  20  * - Neither the name of the MontaVista Software, Inc. nor the names of its
  21  *   contributors may be used to endorse or promote products derived from this
  22  *   software without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  34  * THE POSSIBILITY OF SUCH DAMAGE.
  35  */
  36 #ifndef UTIL_H_DEFINED
  37 #define UTIL_H_DEFINED
  38
  39 #include <sys/time.h>
  40 #include <corosync/corotypes.h>
  41
  42 /**
  43  * Get the time of day and convert to nanoseconds
  44  */
  45 extern cs_time_t clust_time_now(void);
  46
  47 enum e_corosync_done {
  48         COROSYNC_DONE_EXIT = 0,
  49         COROSYNC_DONE_FORK = 4,
  50         COROSYNC_DONE_LOGCONFIGREAD = 7,
  51         COROSYNC_DONE_MAINCONFIGREAD = 8,
  52         COROSYNC_DONE_LOGSETUP = 9,
  53         COROSYNC_DONE_ICMAP = 12,
  54         COROSYNC_DONE_INIT_SERVICES = 13,
  55         COROSYNC_DONE_FATAL_ERR = 15,
  56         COROSYNC_DONE_DIR_NOT_PRESENT = 16,
  57         COROSYNC_DONE_ACQUIRE_LOCK = 17,
  58         COROSYNC_DONE_ALREADY_RUNNING = 18,
  59         COROSYNC_DONE_STD_TO_NULL_REDIR = 19,
  60         COROSYNC_DONE_SERVICE_ENGINE_INIT = 20,
  61         COROSYNC_DONE_STORE_RINGID = 21,
  62         COROSYNC_DONE_STATS = 22,
  63         COROSYNC_DONE_PLOAD = 99
  64 };
  65
  66 #define min(a,b) ((a) < (b) ? (a) : (b))
  67
  68 /**
  69  * Compare two names.  returns non-zero on match.
  70  */
  71 extern int name_match(cs_name_t *name1, cs_name_t *name2);
  72 #define corosync_exit_error(err) _corosync_exit_error ((err), __FILE__, __LINE__)
  73 extern void _corosync_exit_error (enum e_corosync_done err, const char *file,
  74                                   unsigned int line) __attribute__((noreturn));
  75 void _corosync_out_of_memory_error (void) __attribute__((noreturn));
  76 extern char *getcs_name_t (cs_name_t *name);
  77 extern void setcs_name_t (cs_name_t *name, char *str);
  78 extern int cs_name_tisEqual (cs_name_t *str1, char *str2);
  79 /**
  80  * Get the short name of a service from the service_id.
  81  */
  82 const char * short_service_name_get(uint32_t service_id,
  83                                     char *buf, size_t buf_size);
  84
  85 /*
  86  * Return state directory (ether icmap system.state_dir or LOCALSTATEDIR/lib/corosync)
  87  */
  88 const char *get_state_dir(void);
  89
  90 extern int util_is_valid_knet_crypto_model(const char *val,
  91         const char **list_str, int machine_parseable_str,
  92         const char *error_string_prefix, const char **error_string);
  93
  94 extern int util_is_valid_knet_compress_model(const char *val,
  95         const char **list_str, int machine_parseable_str,
  96         const char *error_string_prefix, const char **error_string);
  97
  98 #endif /* UTIL_H_DEFINED */