src/backend/port/dynloader/solaris.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * solaris.h
   4  *        port-specific prototypes for Solaris
   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 PORT_PROTOS_H
  15 #define PORT_PROTOS_H
  16
  17 #include <dlfcn.h>
  18 #include "utils/dynamic_loader.h"
  19
  20 /*
  21  * In some older systems, the RTLD_NOW flag isn't defined and the mode
  22  * argument to dlopen must always be 1.  The RTLD_GLOBAL flag is wanted
  23  * if available, but it doesn't exist everywhere.
  24  * If it doesn't exist, set it to 0 so it has no effect.
  25  */
  26 #ifndef RTLD_NOW
  27 #define RTLD_NOW 1
  28 #endif
  29 #ifndef RTLD_GLOBAL
  30 #define RTLD_GLOBAL 0
  31 #endif
  32
  33 #define pg_dlopen(f)    dlopen((f), RTLD_NOW | RTLD_GLOBAL)
  34 #define pg_dlsym                dlsym
  35 #define pg_dlclose              dlclose
  36 #define pg_dlerror              dlerror
  37
  38 #endif   /* PORT_PROTOS_H */