1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2
3 #include "test.h"
4
5 extern "C" {
6 void __tsan_on_report(void *report);
7 void *__tsan_get_current_report();
8 int __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);
13 int __tsan_get_report_stack(void *report, unsigned long idx, void **trace,
14 unsigned long trace_size);
15 int __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
main()20 int 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 #endif
33 __attribute__((disable_sanitizer_instrumentation)) extern "C" void
__tsan_on_report(void * report)34 __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 = 1
52
53 fprintf(stderr, "mutex_count = %d\n", mutex_count);
54 // CHECK: mutex_count = 1
55
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 = 0
70 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 warnings
78