diff options
Diffstat (limited to 'test/lsan/TestCases/cleanup_in_tsd_destructor.c')
-rw-r--r-- | test/lsan/TestCases/cleanup_in_tsd_destructor.c | 45 |
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) |