OpenProc
static int OpenProc(cstatus_t *);
if (OpenProc(cp) == 0)
while (OpenProc(cp) == 0) {
!(errno == EAGAIN && OpenProc(cp) == 0))
static int OpenProc(cstatus_t *);
if (OpenProc(cp) == 0)
while (OpenProc(cp) == 0) {
!(errno == EAGAIN && OpenProc(cp) == 0))