Fix for crash when exiting whilst NewGRF scan still in progress

See: https://github.com/OpenTTD/OpenTTD/issues/8760
This commit is contained in:
Jonathan G Rennison
2021-03-01 18:04:12 +00:00
parent f183ded9fe
commit 0a31a3b923
5 changed files with 33 additions and 1 deletions

View File

@@ -344,6 +344,7 @@ static std::vector<GRFMD5SumState> _grf_md5_pending;
static std::condition_variable _grf_md5_full_cv;
static std::condition_variable _grf_md5_empty_cv;
static std::condition_variable _grf_md5_done_cv;
static std::atomic<bool> _abort_grf_scan;
static const uint GRF_MD5_PENDING_MAX = 8;
static void CalcGRFMD5SumFromState(const GRFMD5SumState &state)
@@ -373,7 +374,7 @@ void CalcGRFMD5Thread()
_grf_md5_pending.pop_back();
lk.unlock();
if (full) _grf_md5_full_cv.notify_one();
CalcGRFMD5SumFromState(state);
if (!_abort_grf_scan.load(std::memory_order_relaxed)) CalcGRFMD5SumFromState(state);
lk.lock();
}
}
@@ -728,6 +729,8 @@ public:
bool GRFFileScanner::AddFile(const std::string &filename, size_t basepath_length, const std::string &tar_filename)
{
if (_abort_grf_scan.load(std::memory_order_relaxed)) return false;
GRFConfig *c = new GRFConfig(filename.c_str() + basepath_length);
bool added = FillGRFDetails(c, false);
@@ -846,6 +849,11 @@ void ScanNewGRFFiles(NewGRFScanCallback *callback)
}
}
void AbortScanNewGRFFiles()
{
_abort_grf_scan.store(true, std::memory_order_relaxed);
}
/**
* Find a NewGRF in the scanned list.
* @param grfid GRFID to look for,