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Add workaround for VS2013 const-incorrect atomic (#230)

This commit is contained in:
Billy O'Neal 2016-05-31 16:54:02 -07:00 committed by Dominic Hamon
parent 3685cad68c
commit 84cd50b85e
1 changed files with 11 additions and 4 deletions
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15
src/benchmark.cc
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@ -115,7 +115,13 @@ std::string* GetReportLabel() {
// Global variable so that a benchmark can report an error as a human readable
// string. If error_message is null no error occurred.
static std::atomic<const char*> error_message = ATOMIC_VAR_INIT(nullptr);
#if defined(_MSC_VER) && _MSC_VER <= 1800
typedef char* error_message_type;
#else
typedef const char* error_message_type;
#endif
static std::atomic<error_message_type> error_message = ATOMIC_VAR_INIT(nullptr);
// TODO(ericwf): support MallocCounter.
//static benchmark::MallocCounter *benchmark_mc;
@ -807,7 +813,7 @@ void RunBenchmark(const benchmark::internal::Benchmark::Instance& b,
MutexLock l(GetBenchmarkLock());
label = *GetReportLabel();
}
const char* error_msg = error_message;
error_message_type error_msg = error_message;
const double min_time = !IsZero(b.min_time) ? b.min_time
: FLAGS_benchmark_min_time;
@ -929,8 +935,9 @@ void State::ResumeTiming() {
void State::SkipWithError(const char* msg) {
CHECK(msg);
error_occurred_ = true;
const char* expected_no_error_msg = nullptr;
error_message.compare_exchange_weak(expected_no_error_msg, msg);
error_message_type expected_no_error_msg = nullptr;
error_message.compare_exchange_weak(expected_no_error_msg,
const_cast<error_message_type>(msg));
started_ = finished_ = true;
total_iterations_ = max_iterations;
timer_manager->RemoveErroredThread();