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8193429: "assert(false) failed: GetModuleFileName failed (126)" in symbolengine.cpp

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Reviewed-by: clanger, gtriantafill
This commit is contained in:
Thomas Stuefe 2018-03-06 08:16:45 +01:00
parent 0b8fa42240
commit e01220f767
1 changed files with 4 additions and 4 deletions
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8
src/hotspot/os/windows/symbolengine.cpp
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@ -375,10 +375,10 @@ static bool recalc_search_path_locked(bool* p_search_path_was_updated) {
const int len_returned = (int)::GetModuleFileName(hMod, filebuffer, (DWORD)file_buffer_capacity);
DEBUG_ONLY(g_buffers.dir_name.check();)
if (len_returned == 0) {
// Error. This is suspicious - this may happen if a module has just been
// unloaded concurrently after our call to EnumProcessModules and
// GetModuleFileName, but probably just indicates a coding error.
assert(false, "GetModuleFileName failed (%u)", ::GetLastError());
// This may happen when a module gets unloaded after our call to EnumProcessModules.
// It should be rare but may sporadically happen. Just ignore and continue with the
// next module.
continue;
} else if (len_returned == file_buffer_capacity) {
// Truncation. Just skip this module and continue with the next module.
continue;