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/*------------------------------------------------------------------------- * * linux.h * Port-specific prototypes for Linux * * * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/backend/port/dynloader/linux.h * *------------------------------------------------------------------------- */ #ifndef PORT_PROTOS_H #define PORT_PROTOS_H #include "utils/dynamic_loader.h" /* pgrminclude ignore */ #ifdef HAVE_DLOPEN #include <dlfcn.h> #endif #ifdef HAVE_DLOPEN /* * In some older systems, the RTLD_NOW flag isn't defined and the mode * argument to dlopen must always be 1. The RTLD_GLOBAL flag is wanted * if available, but it doesn't exist everywhere. * If it doesn't exist, set it to 0 so it has no effect. */ #ifndef RTLD_NOW #define RTLD_NOW 1 #endif #ifndef RTLD_GLOBAL #define RTLD_GLOBAL 0 #endif #define pg_dlopen(f) dlopen((f), RTLD_NOW | RTLD_GLOBAL) #define pg_dlsym dlsym #define pg_dlclose dlclose #define pg_dlerror dlerror #endif /* HAVE_DLOPEN */ #endif /* PORT_PROTOS_H */