From ca9211ecdede9bdedb812b2243a4abdb8dacd1b9 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Wed, 7 Jan 2015 19:55:37 +0000 Subject: Import compiler-rt trunk r224034. https://llvm.org/svn/llvm-project/compiler-rt/trunk@224034 --- lib/tsan/lit_tests/free_race.c | 49 ------------------------------------------ 1 file changed, 49 deletions(-) delete mode 100644 lib/tsan/lit_tests/free_race.c (limited to 'lib/tsan/lit_tests/free_race.c') diff --git a/lib/tsan/lit_tests/free_race.c b/lib/tsan/lit_tests/free_race.c deleted file mode 100644 index d1db9fece90a..000000000000 --- a/lib/tsan/lit_tests/free_race.c +++ /dev/null @@ -1,49 +0,0 @@ -// RUN: %clang_tsan -O1 %s -o %t -// RUN: not %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOZUPP -// RUN: TSAN_OPTIONS="suppressions=%s.supp print_suppressions=1" %t 2>&1 | FileCheck %s --check-prefix=CHECK-SUPP - -#include -#include -#include -#include -#include - -int *mem; -pthread_mutex_t mtx; - -void *Thread1(void *x) { - pthread_mutex_lock(&mtx); - free(mem); - pthread_mutex_unlock(&mtx); - return NULL; -} - -void *Thread2(void *x) { - sleep(1); - pthread_mutex_lock(&mtx); - mem[0] = 42; - pthread_mutex_unlock(&mtx); - return NULL; -} - -int main() { - mem = (int*)malloc(100); - pthread_mutex_init(&mtx, 0); - pthread_t t; - pthread_create(&t, NULL, Thread1, NULL); - Thread2(0); - pthread_join(t, NULL); - pthread_mutex_destroy(&mtx); - return 0; -} - -// CHECK-NOZUPP: WARNING: ThreadSanitizer: heap-use-after-free -// CHECK-NOZUPP: Write of size 4 at {{.*}} by main thread{{.*}}: -// CHECK-NOZUPP: #0 Thread2 -// CHECK-NOZUPP: #1 main -// CHECK-NOZUPP: Previous write of size 8 at {{.*}} by thread T1{{.*}}: -// CHECK-NOZUPP: #0 free -// CHECK-NOZUPP: #{{(1|2)}} Thread1 -// CHECK-NOZUPP: SUMMARY: ThreadSanitizer: heap-use-after-free{{.*}}Thread2 -// CHECK-SUPP: ThreadSanitizer: Matched 1 suppressions -// CHECK-SUPP: 1 race:^Thread2$ -- cgit v1.2.3