callback.c

 
#include <winpr/config.h>
 
#include <winpr/crt.h>
#include <winpr/pool.h>
#include <winpr/library.h>
 
#ifdef WINPR_THREAD_POOL
 
#ifdef _WIN32
typedef BOOL(WINAPI* pCallbackMayRunLong_t)(PTP_CALLBACK_INSTANCE pci);
static INIT_ONCE init_once_module = INIT_ONCE_STATIC_INIT;
static pCallbackMayRunLong_t pCallbackMayRunLong = NULL;
 
static BOOL CALLBACK init_module(PINIT_ONCE once, PVOID param, PVOID* context)
{
  HMODULE kernel32 = LoadLibraryA("kernel32.dll");
  if (kernel32)
    pCallbackMayRunLong =
        GetProcAddressAs(kernel32, "CallbackMayRunLong", pCallbackMayRunLong_t);
  return TRUE;
}
#endif
 
BOOL winpr_CallbackMayRunLong(PTP_CALLBACK_INSTANCE pci)
{
#ifdef _WIN32
  InitOnceExecuteOnce(&init_once_module, init_module, NULL, NULL);
  if (pCallbackMayRunLong)
    return pCallbackMayRunLong(pci);
#endif
  /* No default implementation */
  return FALSE;
}
 
#endif /* WINPR_THREAD_POOL defined */