diff options
Diffstat (limited to 'thread_win32.c')
-rw-r--r-- | thread_win32.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/thread_win32.c b/thread_win32.c index a810fb3622..7c31a3f70e 100644 --- a/thread_win32.c +++ b/thread_win32.c @@ -532,8 +532,19 @@ native_thread_apply_priority(rb_thread_t *th) static void ubf_handle(void *ptr) { + static int checked = 0; + typedef BOOL (WINAPI *cancel_io_func_t)(HANDLE); + static cancel_io_func_t cancel_func = NULL; rb_thread_t *th = (rb_thread_t *)ptr; thread_debug("ubf_handle: %p\n", th); + + if (!checked) { + cancel_func = (cancel_io_func_t)GetProcAddress(GetModuleHandle("kernel32"), "CancelSynchronousIo"); + checked = 1; + } + if (cancel_func) + cancel_func((HANDLE)th->thread_id); + w32_set_event(th->native_thread_data.interrupt_event); } |