| 1 | // RUN: rm -rf %t-dir |
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| 2 | // RUN: mkdir %t-dir |
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| 3 | |
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| 4 | // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib3.so |
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| 5 | // RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable |
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| 6 | // RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t-dir/executable | FileCheck %s |
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| 7 | |
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| 8 | // Tests that unloading of a library matched against called_from_lib suppression |
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| 9 | // causes program crash (this is not supported). |
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| 10 | |
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| 11 | // Some aarch64 kernels do not support non executable write pages |
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| 12 | // REQUIRES: stable-runtime |
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| 13 | |
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| 14 | #ifndef LIB |
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| 15 | |
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| 16 | #include <dlfcn.h> |
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| 17 | #include <stdlib.h> |
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| 18 | #include <stdio.h> |
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| 19 | #include <errno.h> |
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| 20 | #include <libgen.h> |
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| 21 | #include <string> |
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| 22 | |
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| 23 | int main(int argc, char **argv) { |
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| 24 | std::string lib = std::string(dirname(argv[0])) + "/libignore_lib3.so" ; |
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| 25 | void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); |
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| 26 | dlclose(handle: h); |
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| 27 | fprintf(stderr, format: "OK\n" ); |
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| 28 | } |
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| 29 | |
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| 30 | #else // #ifdef LIB |
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| 31 | |
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| 32 | extern "C" void libfunc() { |
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| 33 | } |
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| 34 | |
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| 35 | #endif // #ifdef LIB |
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| 36 | |
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| 37 | // CHECK: ThreadSanitizer: library {{.*}} that was matched against called_from_lib suppression 'ignore_lib3.so' is unloaded |
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| 38 | // CHECK-NOT: OK |
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| 39 | |
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| 40 | |
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