78 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s2 3#include "test.h"4 5extern "C" {6void __tsan_on_report(void *report);7void *__tsan_get_current_report();8int __tsan_get_report_data(void *report, const char **description, int *count,9 int *stack_count, int *mop_count, int *loc_count,10 int *mutex_count, int *thread_count,11 int *unique_tid_count, void **sleep_trace,12 unsigned long trace_size);13int __tsan_get_report_stack(void *report, unsigned long idx, void **trace,14 unsigned long trace_size);15int __tsan_get_report_mutex(void *report, unsigned long idx, uint64_t *mutex_id,16 void **addr, int *destroyed, void **trace,17 unsigned long trace_size);18}19 20int main() {21 int m = 0;22 fprintf(stderr, "&m = %p\n", &m);23 // CHECK: &m = [[MUTEX:0x[0-9a-f]+]]24 AnnotateRWLockReleased(__FILE__, __LINE__, &m, 1);25 fprintf(stderr, "Done.\n");26 return 0;27}28 29// Required for dyld macOS 12.0+30#if (__APPLE__)31__attribute__((weak))32#endif33__attribute__((disable_sanitizer_instrumentation)) extern "C" void34__tsan_on_report(void *report) {35 fprintf(stderr, "__tsan_on_report(%p)\n", report);36 fprintf(stderr, "__tsan_get_current_report() = %p\n",37 __tsan_get_current_report());38 // CHECK: __tsan_on_report([[REPORT:0x[0-9a-f]+]])39 // CHECK: __tsan_get_current_report() = [[REPORT]]40 41 const char *description;42 int count;43 int stack_count, mop_count, loc_count, mutex_count, thread_count,44 unique_tid_count;45 void *sleep_trace[16] = {0};46 __tsan_get_report_data(report, &description, &count, &stack_count, &mop_count,47 &loc_count, &mutex_count, &thread_count,48 &unique_tid_count, sleep_trace, 16);49 50 fprintf(stderr, "stack_count = %d\n", stack_count);51 // CHECK: stack_count = 152 53 fprintf(stderr, "mutex_count = %d\n", mutex_count);54 // CHECK: mutex_count = 155 56 void *trace[16] = {0};57 __tsan_get_report_stack(report, 0, trace, 16);58 59 fprintf(stderr, "trace[0] = %p, trace[1] = %p, trace[2] = %p\n", trace[0],60 trace[1], trace[2]);61 // CHECK: trace[0] = 0x{{[0-9a-f]+}}, trace[1] = 0x{{[0-9a-f]+}}, trace[2] =62 // {{0x0|\(nil\)|\(null\)}}63 64 uint64_t mutex_id;65 void *addr;66 int destroyed;67 __tsan_get_report_mutex(report, 0, &mutex_id, &addr, &destroyed, trace, 16);68 fprintf(stderr, "addr = %p, destroyed = %d\n", addr, destroyed);69 // CHECK: addr = [[MUTEX]], destroyed = 070 fprintf(stderr, "trace[0] = %p, trace[1] = %p, trace[2] = %p\n", trace[0],71 trace[1], trace[2]);72 // CHECK: trace[0] = 0x{{[0-9a-f]+}}, trace[1] = 0x{{[0-9a-f]+}}, trace[2] =73 // {{0x0|\(nil\)|\(null\)}}74}75 76// CHECK: Done.77// CHECK: ThreadSanitizer: reported 1 warnings78