mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-21 18:29:45 +00:00
39ea80cc56
I'll fix the problems in libclang and other projects in ways that don't require <mutex> until we sort out the cygwin situation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211900 91177308-0d34-0410-b5e6-96231b3b80d8
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
//===- llvm/unittest/Support/ManagedStatic.cpp - ManagedStatic tests ------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#include "llvm/Support/ManagedStatic.h"
|
|
#include "llvm/Config/config.h"
|
|
#include "llvm/Support/Threading.h"
|
|
#ifdef HAVE_PTHREAD_H
|
|
#include <pthread.h>
|
|
#endif
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
#if LLVM_ENABLE_THREADS != 0 && defined(HAVE_PTHREAD_H) && \
|
|
!__has_feature(memory_sanitizer)
|
|
namespace test1 {
|
|
llvm::ManagedStatic<int> ms;
|
|
void *helper(void*) {
|
|
*ms;
|
|
return nullptr;
|
|
}
|
|
|
|
// Valgrind's leak checker complains glibc's stack allocation.
|
|
// To appease valgrind, we provide our own stack for each thread.
|
|
void *allocate_stack(pthread_attr_t &a, size_t n = 65536) {
|
|
void *stack = malloc(n);
|
|
pthread_attr_init(&a);
|
|
#if defined(__linux__)
|
|
pthread_attr_setstack(&a, stack, n);
|
|
#endif
|
|
return stack;
|
|
}
|
|
}
|
|
|
|
TEST(Initialize, MultipleThreads) {
|
|
// Run this test under tsan: http://code.google.com/p/data-race-test/
|
|
|
|
pthread_attr_t a1, a2;
|
|
void *p1 = test1::allocate_stack(a1);
|
|
void *p2 = test1::allocate_stack(a2);
|
|
|
|
pthread_t t1, t2;
|
|
pthread_create(&t1, &a1, test1::helper, nullptr);
|
|
pthread_create(&t2, &a2, test1::helper, nullptr);
|
|
pthread_join(t1, nullptr);
|
|
pthread_join(t2, nullptr);
|
|
free(p1);
|
|
free(p2);
|
|
}
|
|
#endif
|
|
|
|
} // anonymous namespace
|