| 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 -fno-builtin %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib1.so |
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| 5 | // RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable |
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| 6 | // RUN: echo running w/o suppressions: |
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| 7 | // RUN: %deflake %run %t-dir/executable | FileCheck %s --check-prefix=CHECK-NOSUPP |
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| 8 | // RUN: echo running with suppressions: |
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| 9 | // RUN: %env_tsan_opts=suppressions='%s.supp' %run %t-dir/executable 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP |
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| 10 | |
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| 11 | // Tests that interceptors coming from a dynamically loaded library specified |
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| 12 | // in called_from_lib suppression are ignored. |
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| 13 | |
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| 14 | // REQUIRES: stable-runtime |
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| 15 | // UNSUPPORTED: target=powerpc64le{{.*}} |
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| 16 | // FIXME: This test regularly fails on powerpc64 LE possibly starting with |
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| 17 | // r279664. Re-enable the test once the problem(s) have been fixed. |
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| 18 | |
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| 19 | #ifndef LIB |
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| 20 | |
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| 21 | #include <dlfcn.h> |
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| 22 | #include <stdlib.h> |
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| 23 | #include <stdio.h> |
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| 24 | #include <errno.h> |
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| 25 | #include <libgen.h> |
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| 26 | #include <string> |
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| 27 | |
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| 28 | int main(int argc, char **argv) { |
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| 29 | std::string lib = std::string(dirname(argv[0])) + "/libignore_lib1.so" ; |
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| 30 | void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); |
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| 31 | if (h == 0) |
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| 32 | exit(status: printf(format: "failed to load the library (%d)\n" , errno)); |
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| 33 | void (*f)() = (void(*)())dlsym(handle: h, name: "libfunc" ); |
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| 34 | if (f == 0) |
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| 35 | exit(status: printf(format: "failed to find the func (%d)\n" , errno)); |
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| 36 | f(); |
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| 37 | } |
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| 38 | |
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| 39 | #else // #ifdef LIB |
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| 40 | |
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| 41 | #include "ignore_lib_lib.h" |
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| 42 | |
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| 43 | #endif // #ifdef LIB |
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| 44 | |
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| 45 | // CHECK-NOSUPP: WARNING: ThreadSanitizer: data race |
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| 46 | // CHECK-NOSUPP: OK |
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| 47 | |
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| 48 | // CHECK-WITHSUPP-NOT: WARNING: ThreadSanitizer: data race |
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| 49 | // CHECK-WITHSUPP: OK |
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| 50 | |
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| 51 | |
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