lcr/lcr_comp.h

   1 /*
   2  * Copyright (C) 2006 Steven Dake (sdake@mvista.com)
   3  *
   4  * This software licensed under BSD license, the text of which follows:
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright notice,
  10  *   this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright notice,
  12  *   this list of conditions and the following disclaimer in the documentation
  13  *   and/or other materials provided with the distribution.
  14  * - Neither the name of the MontaVista Software, Inc. nor the names of its
  15  *   contributors may be used to endorse or promote products derived from this
  16  *   software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  28  * THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef LCR_COMP_H_DEFINED
  32 #define LCR_COMP_H_DEFINED
  33
  34 /*
  35  * LCR Interface
  36  */
  37 struct lcr_iface {
  38         char *name;                     /* Name of the interface */
  39         int version;                    /* Version of this interface */
  40         int *versions_replace;          /* Versions that this interface can replace */
  41         int versions_replace_count;     /* Count of entries in version_replace */
  42         char **dependencies;            /* Dependent interfaces */
  43         int dependency_count;           /* Count of entires in dependencies */
  44         int (*constructor) (void *context);     /* Constructor for this interface */
  45         void (*destructor) (void *context);     /* Constructor for this interface */
  46         void **interfaces;              /* List of functions in interface */
  47 };
  48
  49 /*
  50  * LCR Component
  51  */
  52 struct lcr_comp {
  53         struct lcr_iface *ifaces;       /* List of interfaces in this component */
  54         int iface_count;                /* size of ifaces list */
  55 };
  56
  57 extern void lcr_component_register (struct lcr_comp *comp);
  58
  59 static inline void lcr_interfaces_set (struct lcr_iface *iface, void *iface_list)
  60 {
  61         iface->interfaces = (void **)iface_list;
  62 }
  63
  64 #endif /* LCR_COMP_H_DEFINED */