#include <dlfcn.h> | |
#include <stdio.h> | |
// Mark foo and bar weak so that Clang allows the run-time linker to decide which DSO's symbol to | |
// use. | |
__attribute__((weak)) extern "C" void foo() { | |
printf("foo lib1\n"); | |
void (*next)(void) = reinterpret_cast<void (*)()>(dlsym(RTLD_NEXT, "foo")); | |
if (next != nullptr) next(); | |
} | |
__attribute__((weak)) extern "C" void bar(); | |
void lib1_call_funcs() { | |
printf("lib1_call_funcs\n"); | |
foo(); | |
bar(); | |
} |