runtime/cgo: retry when CreateThread fails with ERROR_ACCESS_DENIED

_cgo_beginthread used to retry _beginthread only when it failed with
EACCESS, but CL 651995 switched to CreateThread and incorrectly mapped
EACCESS to ERROR_NOT_ENOUGH_MEMORY. The correct mapping is
ERROR_ACCESS_DENIED.

Fixes #72814
Fixes #75381

Change-Id: I8ba060114aae4e8249576f11a21eff613caa8001
Reviewed-on: https://go-review.googlesource.com/c/go/+/706075
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
qmuntal 2025-09-23 10:46:46 +02:00 committed by Quim Muntal
parent 69e74b0aac
commit e93f439ac4

View file

@ -145,7 +145,7 @@ void _cgo_beginthread(unsigned long (__stdcall *func)(void*), void* arg) {
for (tries = 0; tries < 20; tries++) { for (tries = 0; tries < 20; tries++) {
thandle = CreateThread(NULL, 0, func, arg, 0, NULL); thandle = CreateThread(NULL, 0, func, arg, 0, NULL);
if (thandle == 0 && GetLastError() == ERROR_NOT_ENOUGH_MEMORY) { if (thandle == 0 && GetLastError() == ERROR_ACCESS_DENIED) {
// "Insufficient resources", try again in a bit. // "Insufficient resources", try again in a bit.
// //
// Note that the first Sleep(0) is a yield. // Note that the first Sleep(0) is a yield.