184c6242fa
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952. Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits Differential Revision: https://reviews.llvm.org/D30373 llvm-svn: 296895
51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=alpha.unix.BlockInCriticalSection -std=c++11 -verify %s
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void sleep(int x) {}
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namespace std {
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struct mutex {
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void lock() {}
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void unlock() {}
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};
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}
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void testBlockInCriticalSection() {
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std::mutex m;
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m.lock();
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sleep(3); // expected-warning {{A blocking function %s is called inside a critical section}}
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m.unlock();
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}
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void testBlockInCriticalSectionWithNestedMutexes() {
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std::mutex m, n, k;
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m.lock();
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n.lock();
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k.lock();
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sleep(3); // expected-warning {{A blocking function %s is called inside a critical section}}
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k.unlock();
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sleep(5); // expected-warning {{A blocking function %s is called inside a critical section}}
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n.unlock();
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sleep(3); // expected-warning {{A blocking function %s is called inside a critical section}}
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m.unlock();
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sleep(3); // no-warning
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}
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void f() {
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sleep(1000); // expected-warning {{A blocking function %s is called inside a critical section}}
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}
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void testBlockInCriticalSectionInterProcedural() {
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std::mutex m;
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m.lock();
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f();
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m.unlock();
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}
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void testBlockInCriticalSectionUnexpectedUnlock() {
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std::mutex m;
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m.unlock();
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sleep(1); // no-warning
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m.lock();
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sleep(1); // expected-warning {{A blocking function %s is called inside a critical section}}
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}
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