24 lines
586 B
C++
24 lines
586 B
C++
#include <dlfcn.h>
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#include <stdio.h>
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// Mark foo and bar weak so that Clang allows the run-time linker to decide which DSO's symbol to
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// use.
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__attribute__((weak)) extern "C" void foo() {
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printf("foo lib3\n");
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void (*next)(void) = reinterpret_cast<void (*)()>(dlsym(RTLD_NEXT, "foo"));
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if (next != nullptr) next();
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}
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__attribute__((weak)) extern "C" void bar() {
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printf("bar lib3\n");
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void (*next)(void) = reinterpret_cast<void (*)()>(dlsym(RTLD_NEXT, "bar"));
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if (next != nullptr) next();
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}
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void lib3_call_funcs() {
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printf("lib3_call_funcs\n");
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foo();
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bar();
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}
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