forked from OSchip/llvm-project
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
// RUN: rm -rf %t-dir
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// RUN: mkdir %t-dir
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// RUN: %clangxx_tsan -O1 -fno-builtin %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib1.so
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// RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable
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// RUN: echo running w/o suppressions:
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// RUN: %deflake %run %t-dir/executable | FileCheck %s --check-prefix=CHECK-NOSUPP
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// RUN: echo running with suppressions:
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// RUN: %env_tsan_opts=suppressions='%s.supp' %run %t-dir/executable 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
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// Tests that interceptors coming from a dynamically loaded library specified
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// in called_from_lib suppression are ignored.
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// REQUIRES: stable-runtime
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// UNSUPPORTED: powerpc64le
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// FIXME: This test regularly fails on powerpc64 LE possibly starting with
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// r279664. Re-enable the test once the problem(s) have been fixed.
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#ifndef LIB
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#include <dlfcn.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <libgen.h>
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#include <string>
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int main(int argc, char **argv) {
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std::string lib = std::string(dirname(argv[0])) + "/libignore_lib1.so";
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void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW);
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if (h == 0)
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exit(printf("failed to load the library (%d)\n", errno));
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void (*f)() = (void(*)())dlsym(h, "libfunc");
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if (f == 0)
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exit(printf("failed to find the func (%d)\n", errno));
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f();
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}
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#else // #ifdef LIB
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#include "ignore_lib_lib.h"
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#endif // #ifdef LIB
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// CHECK-NOSUPP: WARNING: ThreadSanitizer: data race
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// CHECK-NOSUPP: OK
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// CHECK-WITHSUPP-NOT: WARNING: ThreadSanitizer: data race
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// CHECK-WITHSUPP: OK
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