src/include/storage/backendid.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * backendid.h
   4  *        POSTGRES backend id communication definitions
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $PostgreSQL: pgsql/src/include/storage/backendid.h,v 1.16 2004/08/29 04:13:10 momjian Exp $
  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
  22                                                                  * identifier */
  23
  24 #define InvalidBackendId                (-1)
  25
  26 extern BackendId MyBackendId;   /* backend id of this backend */
  27
  28 #endif   /* BACKENDID_H */