text: // RUN: %clangxx_tsan -O1 %s -o %t
  // RUN: %deflake %run %t 2>&1 | FileCheck %s
  
  #include <pthread.h>
  #include <stdint.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "test.h"
  
  extern "C" {
  void __tsan_on_report(void *report);
  void *__tsan_get_current_report();
  int __tsan_get_report_data(void *report, const char **description, int *count,
                             int *stack_count, int *mop_count, int *loc_count,
                             int *mutex_count, int *thread_count,
                             int *unique_tid_count, void **sleep_trace,
                             unsigned long trace_size);
  int __tsan_get_report_mop(void *report, unsigned long idx, int *tid,
                            void **addr, int *size, int *write, int *atomic,
                            void **trace, unsigned long trace_size);
  int __tsan_get_report_thread(void *report, unsigned long idx, int *tid,
                               uint64_t *os_id, int *running,
                               const char **name, int *parent_tid, void **trace,
                               unsigned long trace_size);
  }
  
  long my_global;
  
  void *Thread(void *a) {
    barrier_wait(&barrier);
    my_global = 42;
    return NULL;
  }
  
  int main() {
    barrier_init(&barrier, 2);
    fprintf(stderr, "&my_global = %p\n", &my_global);
    // CHECK: &my_global = [[GLOBAL:0x[0-9a-f]+]]
    pthread_t t;
    pthread_create(&t, 0, Thread, 0);
    my_global = 41;
    barrier_wait(&barrier);
    pthread_join(t, 0);
    fprintf(stderr, "Done.\n");
  }
  
  __attribute__((disable_sanitizer_instrumentation)) void
  __tsan_on_report(void *report) {
    fprintf(stderr, "__tsan_on_report(%p)\n", report);
    fprintf(stderr, "__tsan_get_current_report() = %p\n",
            __tsan_get_current_report());
    // CHECK: __tsan_on_report([[REPORT:0x[0-9a-f]+]])
    // CHECK: __tsan_get_current_report() = [[REPORT]]
  
    const char *description;
    int count;
    int stack_count, mop_count, loc_count, mutex_count, thread_count,
        unique_tid_count;
    void *sleep_trace[16] = {0};
    __tsan_get_report_data(report, &description, &count, &stack_count, &mop_count,
                           &loc_count, &mutex_count, &thread_count,
                           &unique_tid_count, sleep_trace, 16);
    fprintf(stderr, "report type = '%s', count = %d\n", description, count);
    // CHECK: report type = 'data-race', count = 0
  
    fprintf(stderr, "mop_count = %d\n", mop_count);
    // CHECK: mop_count = 2
  
    int tid;
    void *addr;
    int size, write, atomic;
    void *trace[16] = {0};
  
    __tsan_get_report_mop(report, 0, &tid, &addr, &size, &write, &atomic, trace,
                          16);
    fprintf(stderr, "tid = %d, addr = %p, size = %d, write = %d, atomic = %d\n",
            tid, addr, size, write, atomic);
    // CHECK: tid = 1, addr = [[GLOBAL]], size = 8, write = 1, atomic = 0
    fprintf(stderr, "trace[0] = %p, trace[1] = %p\n", trace[0], trace[1]);
    // CHECK: trace[0] = 0x{{[0-9a-f]+}}, trace[1] = {{0x0|\(nil\)|\(null\)}}
  
    __tsan_get_report_mop(report, 1, &tid, &addr, &size, &write, &atomic, trace,
                          16);
    fprintf(stderr, "tid = %d, addr = %p, size = %d, write = %d, atomic = %d\n",
            tid, addr, size, write, atomic);
    // CHECK: tid = 0, addr = [[GLOBAL]], size = 8, write = 1, atomic = 0
    fprintf(stderr, "trace[0] = %p, trace[1] = %p\n", trace[0], trace[1]);
    // CHECK: trace[0] = 0x{{[0-9a-f]+}}, trace[1] = {{0x0|\(nil\)|\(null\)}}
  
    fprintf(stderr, "thread_count = %d\n", thread_count);
    // CHECK: thread_count = 2
  
    uint64_t os_id;
    int running;
    const char *name;
    int parent_tid;
  
    __tsan_get_report_thread(report, 0, &tid, &os_id, &running, &name, &parent_tid, trace, 16);
    fprintf(stderr, "tid = %d\n", tid);
    // CHECK: tid = 1
  
    __tsan_get_report_thread(report, 1, &tid, &os_id, &running, &name, &parent_tid, trace, 16);
    fprintf(stderr, "tid = %d\n", tid);
    // CHECK: tid = 0
  }
  
  // CHECK: Done.
  // CHECK: ThreadSanitizer: reported 1 warnings
  