src/include/storage/backendid.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * backendid.h
   4  *        POSTGRES backend id communication definitions
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $PostgreSQL$
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef BACKENDID_H
  15 #define BACKENDID_H
  16
  17 /* ----------------
  18  *              -cim 8/17/90
  19  * ----------------
  20  */
  21 typedef int BackendId;                  /* unique currently active backend identifier */
  22
  23 #define InvalidBackendId                (-1)
  24
  25 extern BackendId MyBackendId;   /* backend id of this backend */
  26
  27 #endif   /* BACKENDID_H */