| 1 | // RUN: %clangxx -fsanitize=realtime %s -o %t |
| 2 | // RUN: env RTSAN_OPTIONS="halt_on_error=false,print_stats_on_exit=true" %run %t 2>&1 | FileCheck %s |
| 3 | // RUN: env RTSAN_OPTIONS="halt_on_error=false,suppress_equal_stacks=false" %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-DUPLICATES |
| 4 | |
| 5 | // UNSUPPORTED: ios |
| 6 | |
| 7 | // Intent: Ensure all errors are deduplicated. |
| 8 | |
| 9 | #include <unistd.h> |
| 10 | |
| 11 | const int kNumViolations = 10; |
| 12 | |
| 13 | void violation() [[clang::nonblocking]] { |
| 14 | for (int i = 0; i < kNumViolations; i++) |
| 15 | usleep(useconds: 1); |
| 16 | } |
| 17 | |
| 18 | void violation2() [[clang::nonblocking]] { |
| 19 | for (int i = 0; i < kNumViolations; i++) |
| 20 | violation(); |
| 21 | } |
| 22 | |
| 23 | void double_violation() [[clang::nonblocking]] { |
| 24 | violation(); |
| 25 | violation2(); |
| 26 | } |
| 27 | |
| 28 | int main() { |
| 29 | violation(); // 1 unique errors here, but 10 total |
| 30 | violation2(); // 1 unique errors here, but 100 total |
| 31 | double_violation(); // 2 unique errors here, but 110 total |
| 32 | return 0; |
| 33 | } |
| 34 | |
| 35 | // CHECK-COUNT-4: ==ERROR: |
| 36 | // CHECK-NOT: ==ERROR: |
| 37 | |
| 38 | // CHECK: RealtimeSanitizer exit stats: |
| 39 | // CHECK-NEXT: Total error count: 220 |
| 40 | // CHECK-NEXT: Unique error count: 4 |
| 41 | |
| 42 | // CHECK-DUPLICATES-COUNT-220: ==ERROR: |
| 43 | // CHECK-DUPLICATES-NOT: ==ERROR: |
| 44 | |