Mercurial > hg > CbC > CbC_llvm
view compiler-rt/test/tsan/java_race_move.cpp @ 266:00f31e85ec16 default tip
Added tag current for changeset 31d058e83c98
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Sat, 14 Oct 2023 10:13:55 +0900 |
parents | c4bab56944e8 |
children |
line wrap: on
line source
// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s #include "java.h" jptr varaddr; jptr varaddr2; void *Thread(void *p) { barrier_wait(&barrier); *(int*)varaddr2 = 42; return 0; } int main() { barrier_init(&barrier, 2); int const kHeapSize = 1024 * 1024; jptr jheap = (jptr)malloc(kHeapSize + 8) + 8; __tsan_java_init(jheap, kHeapSize); const int kBlockSize = 64; int const kMove = 1024; __tsan_java_alloc(jheap, kBlockSize); varaddr = jheap + 16; varaddr2 = varaddr + kMove; pthread_t th; pthread_create(&th, 0, Thread, 0); *(int*)varaddr = 43; __tsan_java_move(varaddr, varaddr2, kBlockSize); barrier_wait(&barrier); pthread_join(th, 0); __tsan_java_free(varaddr2, kBlockSize); fprintf(stderr, "DONE\n"); return __tsan_java_fini(); } // Note: there is a race on the moved object (which we used to detect), // but now __tsan_java_move resets the object shadow, so we don't detect it anymore. // CHECK-NOT: WARNING: ThreadSanitizer: data race // CHECK: DONE