e69d50d9ff
All runtime callbacks must be non-instrumented with the new tsan runtime (it's now more picky with respect to recursion into runtime). Disable instrumentation in Darwin tests as we do in all other tests now. Differential Revision: https://reviews.llvm.org/D114348
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
// RUN: %clangxx_tsan -O1 %s -o %t
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// RUN: %deflake %run %t 2>&1 | FileCheck %s
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../test.h"
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extern "C" {
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void __tsan_on_report(void *report);
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int __tsan_get_report_loc(void *report, unsigned long idx, const char **type,
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void **addr, void **start,
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unsigned long *size, int *tid, int *fd,
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int *suppressable, void **trace,
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unsigned long trace_size);
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int __tsan_get_report_loc_object_type(void *report, unsigned long idx,
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const char **object_type);
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}
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void *Thread(void *arg) {
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barrier_wait(&barrier);
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*((long *)arg) = 42;
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return NULL;
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}
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int main() {
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barrier_init(&barrier, 2);
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void *tag = __tsan_external_register_tag("MyObject");
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long *obj = (long *)malloc(sizeof(long));
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fprintf(stderr, "obj = %p\n", obj);
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// CHECK: obj = [[ADDR:0x[0-9a-f]+]]
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__tsan_external_assign_tag(obj, tag);
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pthread_t t;
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pthread_create(&t, 0, Thread, obj);
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*obj = 41;
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barrier_wait(&barrier);
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pthread_join(t, 0);
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fprintf(stderr, "Done.\n");
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return 0;
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}
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__attribute__((disable_sanitizer_instrumentation)) void
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__tsan_on_report(void *report) {
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const char *type;
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void *addr;
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void *start;
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unsigned long size;
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int tid, fd, suppressable;
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void *trace[16] = {0};
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__tsan_get_report_loc(report, 0, &type, &addr, &start, &size, &tid, &fd,
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&suppressable, trace, 16);
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fprintf(stderr, "type = %s, start = %p, size = %ld\n", type, start, size);
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// CHECK: type = heap, start = [[ADDR]], size = 8
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const char *object_type;
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__tsan_get_report_loc_object_type(report, 0, &object_type);
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fprintf(stderr, "object_type = %s\n", object_type);
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// CHECK: object_type = MyObject
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}
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// CHECK: Done.
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// CHECK: ThreadSanitizer: reported 1 warnings
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