forked from OSchip/llvm-project
106 lines
3.6 KiB
C++
106 lines
3.6 KiB
C++
// RUN: %clangxx_tsan %p/external-lib.cpp -shared \
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// RUN: -o %t-lib-instrumented.dylib \
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// RUN: -install_name @rpath/`basename %t-lib-instrumented.dylib`
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// RUN: %clangxx_tsan %p/external-lib.cpp -shared -fno-sanitize=thread \
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// RUN: -o %t-lib-noninstrumented.dylib \
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// RUN: -install_name @rpath/`basename %t-lib-noninstrumented.dylib`
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// RUN: %clangxx_tsan %p/external-lib.cpp -shared -fno-sanitize=thread -DUSE_TSAN_CALLBACKS \
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// RUN: -o %t-lib-noninstrumented-callbacks.dylib \
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// RUN: -install_name @rpath/`basename %t-lib-noninstrumented-callbacks.dylib`
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// RUN: %clangxx_tsan %s %t-lib-instrumented.dylib -o %t-lib-instrumented
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// RUN: %clangxx_tsan %s %t-lib-noninstrumented.dylib -o %t-lib-noninstrumented
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// RUN: %clangxx_tsan %s %t-lib-noninstrumented-callbacks.dylib -o %t-lib-noninstrumented-callbacks
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// RUN: %deflake %run %t-lib-instrumented 2>&1 \
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// RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=TEST1
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// RUN: %run %t-lib-noninstrumented 2>&1 \
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// RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=TEST2
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// RUN: %deflake %run %t-lib-noninstrumented-callbacks 2>&1 \
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// RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=TEST3
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#include <thread>
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#include <stdio.h>
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#include <stdlib.h>
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struct MyObject;
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typedef MyObject *MyObjectRef;
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extern "C" {
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void InitializeLibrary();
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MyObject *ObjectCreate();
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long ObjectRead(MyObject *);
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void ObjectWrite(MyObject *, long);
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void ObjectWriteAnother(MyObject *, long);
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}
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int main(int argc, char *argv[]) {
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InitializeLibrary();
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{
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MyObjectRef ref = ObjectCreate();
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std::thread t1([ref]{ ObjectRead(ref); });
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std::thread t2([ref]{ ObjectRead(ref); });
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t1.join();
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t2.join();
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}
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// CHECK-NOT: WARNING: ThreadSanitizer
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fprintf(stderr, "RR test done\n");
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// CHECK: RR test done
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{
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MyObjectRef ref = ObjectCreate();
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std::thread t1([ref]{ ObjectRead(ref); });
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std::thread t2([ref]{ ObjectWrite(ref, 66); });
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t1.join();
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t2.join();
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}
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// TEST1: WARNING: ThreadSanitizer: data race
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// TEST1: {{Write|Read}} of size 8 at
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// TEST1: Previous {{write|read}} of size 8 at
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// TEST1: Location is heap block of size 16 at
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// TEST2-NOT: WARNING: ThreadSanitizer
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// TEST3: WARNING: ThreadSanitizer: race on MyLibrary::MyObject
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// TEST3: {{Modifying|read-only}} access of MyLibrary::MyObject at
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// TEST3: {{ObjectWrite|ObjectRead}}
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// TEST3: Previous {{modifying|read-only}} access of MyLibrary::MyObject at
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// TEST3: {{ObjectWrite|ObjectRead}}
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// TEST3: Location is MyLibrary::MyObject of size 16 at
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// TEST3: {{ObjectCreate}}
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// TEST3: SUMMARY: ThreadSanitizer: race on MyLibrary::MyObject {{.*}} in {{ObjectWrite|ObjectRead}}
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fprintf(stderr, "RW test done\n");
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// CHECK: RW test done
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{
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MyObjectRef ref = ObjectCreate();
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std::thread t1([ref]{ ObjectWrite(ref, 76); });
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std::thread t2([ref]{ ObjectWriteAnother(ref, 77); });
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t1.join();
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t2.join();
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}
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// TEST1-NOT: WARNING: ThreadSanitizer: data race
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// TEST2-NOT: WARNING: ThreadSanitizer
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// TEST3: WARNING: ThreadSanitizer: race on MyLibrary::MyObject
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// TEST3: Modifying access of MyLibrary::MyObject at
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// TEST3: {{ObjectWrite|ObjectWriteAnother}}
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// TEST3: Previous modifying access of MyLibrary::MyObject at
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// TEST3: {{ObjectWrite|ObjectWriteAnother}}
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// TEST3: Location is MyLibrary::MyObject of size 16 at
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// TEST3: {{ObjectCreate}}
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// TEST3: SUMMARY: ThreadSanitizer: race on MyLibrary::MyObject {{.*}} in {{ObjectWrite|ObjectWriteAnother}}
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fprintf(stderr, "WW test done\n");
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// CHECK: WW test done
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}
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