aboutsummaryrefslogtreecommitdiff
path: root/lib/tsan/lit_tests/free_race.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/tsan/lit_tests/free_race.c')
-rw-r--r--lib/tsan/lit_tests/free_race.c49
1 files changed, 0 insertions, 49 deletions
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 <pthread.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <stddef.h>
-#include <unistd.h>
-
-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$