/*------------------------------------------------------------------------- * * Dynamic loader interface for Linux * * * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * $Id: linux.h,v 1.13 2001/10/25 01:29:37 momjian Exp $ * *------------------------------------------------------------------------- */ #ifndef PORT_PROTOS_H #define PORT_PROTOS_H #include "utils/dynamic_loader.h" #ifdef HAVE_DLOPEN #include <dlfcn.h> #endif #ifndef HAVE_DLOPEN #ifndef HAVE_DLD_H #define pg_dlsym(handle, funcname) (NULL) #define pg_dlclose(handle) {} #else #define pg_dlsym(handle, funcname) ((PGFunction) dld_get_func((funcname))) #define pg_dlclose(handle) \ do { \ dld_unlink_by_file(handle, 1); \ free(handle); \ } while (0) #endif #else /* HAVE_DLOPEN */ #define pg_dlopen(f) dlopen((f), RTLD_LAZY | RTLD_GLOBAL) #define pg_dlsym dlsym #define pg_dlclose dlclose #define pg_dlerror dlerror #endif /* HAVE_DLOPEN */ #endif /* PORT_PROTOS_H */