//
//===----------------------------------------------------------------------===//
#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Threading.h"
#include "llvm/Config/config.h"
+#include "llvm/Support/Threading.h"
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif
namespace {
-#ifdef HAVE_PTHREAD_H
+#if LLVM_ENABLE_THREADS != 0 && defined(HAVE_PTHREAD_H) && \
+ !__has_feature(memory_sanitizer)
namespace test1 {
llvm::ManagedStatic<int> ms;
void *helper(void*) {
*ms;
return NULL;
}
+
+ // 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);
+
llvm_start_multithreaded();
pthread_t t1, t2;
- pthread_create(&t1, NULL, test1::helper, NULL);
- pthread_create(&t2, NULL, test1::helper, NULL);
+ pthread_create(&t1, &a1, test1::helper, NULL);
+ pthread_create(&t2, &a2, test1::helper, NULL);
pthread_join(t1, NULL);
pthread_join(t2, NULL);
+ free(p1);
+ free(p2);
llvm_stop_multithreaded();
}
#endif