forked from OSchip/llvm-project
57 lines
1.0 KiB
C++
57 lines
1.0 KiB
C++
// RUN: %clangxx_tsan -O1 %s -DBUILD_SO -fPIC -shared -o %t-so.so
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// RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t && %run %t 2>&1 | FileCheck %s
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// Test case for
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// https://github.com/google/sanitizers/issues/487
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#ifdef BUILD_SO
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#include <stdio.h>
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extern "C"
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void sofunc() {
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fprintf(stderr, "HELLO FROM SO\n");
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}
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#else // BUILD_SO
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#include <dlfcn.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <unistd.h>
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#include <string>
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void *lib;
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void *lib2;
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struct Closer {
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~Closer() {
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dlclose(lib);
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fprintf(stderr, "CLOSED SO\n");
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}
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};
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static Closer c;
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int main(int argc, char *argv[]) {
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lib = dlopen((std::string(argv[0]) + std::string("-so.so")).c_str(),
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RTLD_NOW|RTLD_NODELETE);
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if (lib == 0) {
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printf("error in dlopen: %s\n", dlerror());
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return 1;
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}
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void *f = dlsym(lib, "sofunc");
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if (f == 0) {
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printf("error in dlsym: %s\n", dlerror());
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return 1;
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}
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((void(*)())f)();
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return 0;
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}
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#endif // BUILD_SO
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// CHECK: HELLO FROM SO
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// CHECK-NOT: Inconsistency detected by ld.so
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// CHECK: CLOSED SO
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