diff options
Diffstat (limited to 'src/backend/port/dynloader/univel.h')
| -rw-r--r-- | src/backend/port/dynloader/univel.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/backend/port/dynloader/univel.h b/src/backend/port/dynloader/univel.h index c8a652f733a..aef381712d2 100644 --- a/src/backend/port/dynloader/univel.h +++ b/src/backend/port/dynloader/univel.h @@ -17,16 +17,28 @@ #include <dlfcn.h> #include "utils/dynamic_loader.h" - /* dynloader.c */ /* * Dynamic Loader on Intel x86/Intel SVR4. * * this dynamic loader uses the system dynamic loading interface for shared * libraries (ie. dlopen/dlsym/dlclose). The user must specify a shared * library as the file to be dynamically loaded. - * - */ -#define pg_dlopen(f) dlopen((f), RTLD_LAZY | RTLD_GLOBAL) + */ + +/* + * 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 |