72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
// RUN: %clangxx -fsanitize=realtime %s -o %t
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// RUN: %env_rtsan_opts=halt_on_error=false %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOSUPPRESSIONS
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// RUN: %env_rtsan_opts=suppressions='%s.supp':print_stats_on_exit=true not %run %t 2>&1 | FileCheck %s
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// UNSUPPORTED: ios
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// Intent: Ensure that suppressions work as intended
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <atomic>
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#include <vector>
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std::atomic<int> cas_atomic{0};
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void *MallocViolation() { return malloc(10); }
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void VectorViolations() {
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// All of these should be suppressed by *vector*
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std::vector<int> v(10);
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v.resize(20);
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v.clear();
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v.resize(0);
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v.push_back(1);
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v.reserve(10);
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}
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void BlockFunc() [[clang::blocking]] {
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int expected = 0;
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while (!cas_atomic.compare_exchange_weak(expected, 1)) {
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expected = cas_atomic.load();
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}
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}
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void *process() [[clang::nonblocking]] {
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void *ptr = MallocViolation(); // Suppressed call-stack-contains
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VectorViolations(); // Suppressed call-stack-contains with regex
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BlockFunc(); // Suppressed function-name-matches
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free(ptr); // Suppressed function-name-matches
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// This is the one that should abort the program
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// Everything else is suppressed
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usleep(1);
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return ptr;
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}
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int main() {
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process();
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return 0;
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}
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// CHECK-NOT: failed to open suppressions file
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// CHECK: Intercepted call to real-time unsafe function
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// CHECK-SAME: usleep
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// CHECK-NOT: Intercepted call to real-time unsafe function
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// CHECK-NOT: malloc
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// CHECK-NOT: vector
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// CHECK-NOT: free
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// CHECK-NOT: BlockFunc
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// CHECK: RealtimeSanitizer exit stats:
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// CHECK: Suppression count: 7
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// CHECK-NOSUPPRESSIONS: malloc
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// CHECK-NOSUPPRESSIONS: vector
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// CHECK-NOSUPPRESSIONS: free
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// CHECK-NOSUPPRESSIONS: BlockFunc
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// CHECK-NOSUPPRESSIONS: usleep
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