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-rw-r--r--test/lsan/TestCases/cleanup_in_tsd_destructor.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/test/lsan/TestCases/cleanup_in_tsd_destructor.c b/test/lsan/TestCases/cleanup_in_tsd_destructor.c
new file mode 100644
index 000000000000..debf05c20473
--- /dev/null
+++ b/test/lsan/TestCases/cleanup_in_tsd_destructor.c
@@ -0,0 +1,45 @@
+// Regression test for thread lifetime tracking. Thread data should be
+// considered live during the thread's termination, at least until the
+// user-installed TSD destructors have finished running (since they may contain
+// additional cleanup tasks). LSan doesn't actually meet that goal 100%, but it
+// makes its best effort.
+// RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0"
+// RUN: %clang_lsan %s -o %t
+// RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=1 %run %t
+// RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=0 not %run %t 2>&1 | FileCheck %s
+
+#include <assert.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "sanitizer/lsan_interface.h"
+
+pthread_key_t key;
+__thread void *p;
+
+void key_destructor(void *arg) {
+ // Generally this may happen on a different thread.
+ __lsan_do_leak_check();
+}
+
+void *thread_func(void *arg) {
+ p = malloc(1337);
+ fprintf(stderr, "Test alloc: %p.\n", p);
+ int res = pthread_setspecific(key, (void*)1);
+ assert(res == 0);
+ return 0;
+}
+
+int main() {
+ int res = pthread_key_create(&key, &key_destructor);
+ assert(res == 0);
+ pthread_t thread_id;
+ res = pthread_create(&thread_id, 0, thread_func, 0);
+ assert(res == 0);
+ res = pthread_join(thread_id, 0);
+ assert(res == 0);
+ return 0;
+}
+// CHECK: Test alloc: [[ADDR:.*]].
+// CHECK: [[ADDR]] (1337 bytes)