| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
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| 2 | |
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| 3 | #include <sanitizer/tsan_interface.h> |
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| 4 | #include <stdio.h> |
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| 5 | |
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| 6 | namespace __tsan { |
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| 7 | |
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| 8 | #if (__APPLE__) |
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| 9 | __attribute__((weak)) |
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| 10 | #endif |
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| 11 | void OnPotentiallyBlockingRegionBegin() { |
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| 12 | printf(format: "Enter __cxa_guard_acquire\n" ); |
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| 13 | } |
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| 14 | |
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| 15 | #if (__APPLE__) |
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| 16 | __attribute__((weak)) |
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| 17 | #endif |
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| 18 | void OnPotentiallyBlockingRegionEnd() { printf(format: "Exit __cxa_guard_acquire\n" ); } |
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| 19 | |
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| 20 | } // namespace __tsan |
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| 21 | |
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| 22 | int main(int argc, char **argv) { |
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| 23 | // CHECK: Enter main |
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| 24 | printf(format: "Enter main\n" ); |
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| 25 | // CHECK-NEXT: Enter __cxa_guard_acquire |
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| 26 | // CHECK-NEXT: Exit __cxa_guard_acquire |
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| 27 | static int s = argc; |
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| 28 | (void)s; |
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| 29 | // CHECK-NEXT: Exit main |
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| 30 | printf(format: "Exit main\n" ); |
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| 31 | return 0; |
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| 32 | } |
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| 33 | |
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