text: /**************************************************************************
   *
   * Copyright 2011-2014 Jose Fonseca
   * All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   *
   **************************************************************************/
  
  
  #ifndef _MEMTRAIL_H_
  #define _MEMTRAIL_H_
  
  
  #ifdef __linux__
  
  
  #include <stdint.h>
  #include <dlfcn.h>
  
  
  static void
  _memtrail_snapshot_init(void);
  
  typedef void (*_memtrail_snapshot_ptr)(void);
  
  static _memtrail_snapshot_ptr
  memtrail_snapshot = &_memtrail_snapshot_init;
  
  static void
  _memtrail_snapshot_noop(void) {
  }
  
  static inline void
  _memtrail_snapshot_init(void) {
     _memtrail_snapshot_ptr ptr = (_memtrail_snapshot_ptr)(uintptr_t)dlsym(RTLD_DEFAULT, "memtrail_snapshot");
     memtrail_snapshot = ptr ? ptr : &_memtrail_snapshot_noop;
     memtrail_snapshot();
  }
  
  
  #else /* !__linux__ */
  
  
  static void
  memtrail_snapshot(void) {
  }
  
  
  #endif /* !__linux__ */
  
  
  #endif /* _MEMTRAIL_H_ */
  