| 1 | #include <dlfcn.h> |
| 2 | #include <stdio.h> |
| 3 | |
| 4 | int |
| 5 | main (void) |
| 6 | { |
| 7 | void *g = dlopen (file: "unload3mod1.so" , RTLD_GLOBAL | RTLD_NOW); |
| 8 | void *h = dlopen (file: "unload3mod2.so" , RTLD_GLOBAL | RTLD_NOW); |
| 9 | if (g == NULL || h == NULL) |
| 10 | { |
| 11 | printf (format: "dlopen unload3mod{1,2}.so failed: %p %p\n" , g, h); |
| 12 | return 1; |
| 13 | } |
| 14 | dlclose (handle: h); |
| 15 | dlclose (handle: g); |
| 16 | |
| 17 | g = dlopen (file: "unload3mod3.so" , RTLD_GLOBAL | RTLD_NOW); |
| 18 | h = dlopen (file: "unload3mod4.so" , RTLD_GLOBAL | RTLD_NOW); |
| 19 | if (g == NULL || h == NULL) |
| 20 | { |
| 21 | printf (format: "dlopen unload3mod{3,4}.so failed: %p %p\n" , g, h); |
| 22 | return 1; |
| 23 | } |
| 24 | |
| 25 | int (*fn) (int); |
| 26 | fn = dlsym (handle: h, name: "bar" ); |
| 27 | if (fn == NULL) |
| 28 | { |
| 29 | puts (s: "dlsym failed" ); |
| 30 | return 1; |
| 31 | } |
| 32 | |
| 33 | int val = fn (16); |
| 34 | if (val != 24) |
| 35 | { |
| 36 | printf (format: "bar returned %d != 24\n" , val); |
| 37 | return 1; |
| 38 | } |
| 39 | |
| 40 | return 0; |
| 41 | } |
| 42 | |