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 04af72c5423eb5ff7c0deba2d08cb46d583bb9d4. Differential Revision: https://reviews.llvm.org/D96357
53 lines
942 B
C++
53 lines
942 B
C++
// RUN: %clang_tsan -O1 %s -o %t && %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 <setjmp.h>
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#include <string.h>
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void bar(jmp_buf env) {
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volatile int x = 42;
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jmp_buf env2;
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memcpy(env2, env, sizeof(jmp_buf));
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longjmp(env2, 42);
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x++;
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}
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void foo(jmp_buf env) {
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volatile int x = 42;
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bar(env);
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x++;
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}
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void badguy() __attribute__((noinline)) {
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pthread_mutex_t mtx;
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pthread_mutex_init(&mtx, 0);
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pthread_mutex_lock(&mtx);
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pthread_mutex_destroy(&mtx);
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}
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void mymain() __attribute__((noinline)) {
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jmp_buf env;
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if (setjmp(env) == 42) {
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badguy();
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return;
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}
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foo(env);
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fprintf(stderr, "FAILED\n");
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}
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int main() {
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volatile int x = 42;
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mymain();
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return x;
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}
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// CHECK-NOT: FAILED
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// CHECK: WARNING: ThreadSanitizer: destroy of a locked mutex
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// CHECK: #0 pthread_mutex_destroy
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// CHECK: #1 badguy
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// CHECK: #2 mymain
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// CHECK: #3 main
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