9360f1a191
As discussed, these tests are compiled with optimization to mimic real
sanitizer usage [1].
Let's mark relevant functions with `noinline` so we can continue to
check against the stack traces in the report.
[1] https://reviews.llvm.org/D96198
This reverts commit 04af72c542.
Differential Revision: https://reviews.llvm.org/D96357
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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#include <pthread.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "test.h"
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void *Thread1(void *p) {
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*(int*)p = 42;
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return 0;
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}
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void *Thread2(void *p) {
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*(int*)p = 44;
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return 0;
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}
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void *alloc() __attribute__((noinline)) {
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return malloc(99);
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}
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void *AllocThread(void* arg) {
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return alloc();
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}
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int main() {
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void *p = 0;
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pthread_t t[2];
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pthread_create(&t[0], 0, AllocThread, 0);
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pthread_join(t[0], &p);
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print_address("addr=", 1, p);
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pthread_create(&t[0], 0, Thread1, (char*)p + 16);
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pthread_create(&t[1], 0, Thread2, (char*)p + 16);
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pthread_join(t[0], 0);
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pthread_join(t[1], 0);
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return 0;
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}
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// CHECK: addr=[[ADDR:0x[0-9,a-f]+]]
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// CHECK: WARNING: ThreadSanitizer: data race
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// ...
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// CHECK: Location is heap block of size 99 at [[ADDR]] allocated by thread T1:
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// CHECK: #0 malloc
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// CHECK: #{{1|2}} alloc
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// CHECK: #{{2|3}} AllocThread
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// ...
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// CHECK: Thread T1 (tid={{.*}}, finished) created by main thread at:
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// CHECK: #0 pthread_create
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// CHECK: #1 main
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