Lines Matching refs:NULL
190 NULL };
198 { 1, NULL, filt_pipedetach, filt_piperead };
200 { 1, NULL, filt_pipedetach, filt_pipewrite };
267 SYSINIT(vfs, SI_SUB_VFS, SI_ORDER_ANY, pipeinit, NULL);
329 if ((pmtx = lck_mtx_alloc_init(pipe_mtx_grp, pipe_mtx_attr)) == NULL)
332 rpipe = wpipe = NULL;
404 procfdtbl_releasefd(p, retval[0], NULL);
405 procfdtbl_releasefd(p, retval[1], NULL);
432 if (cpipe == NULL)
576 if ((*cpipep = cpipe) == NULL)
855 if (wpipe->pipe_map.ms[i] == NULL)
1075 if (wpipe == NULL || (wpipe->pipe_state & PIPE_EOF)) {
1452 if (rpipe == NULL || rpipe == (struct pipe *)-1)
1485 if (wpipe == NULL || (wpipe->pipe_state & PIPE_EOF) ||
1514 fg->fg_data = NULL;
1527 if (cpipe->pipe_buffer.buffer != NULL) {
1535 cpipe->pipe_buffer.buffer = NULL;
1560 if (cpipe == NULL)
1564 if (PIPE_MTX(cpipe) != NULL)
1586 if (cpipe->pipe_label != NULL && cpipe->pipe_peer == NULL)
1593 if ((ppipe = cpipe->pipe_peer) != NULL) {
1605 ppipe->pipe_peer = NULL;
1612 if (PIPE_MTX(cpipe) != NULL) {
1613 if (ppipe != NULL) {
1661 if (cpipe->pipe_peer == NULL) {
1691 if (cpipe->pipe_peer == NULL) {
1729 (wpipe == NULL) || (wpipe->pipe_state & PIPE_EOF)) {
1761 if ((wpipe == NULL) || (wpipe->pipe_state & PIPE_EOF)) {
1795 if (cpipe == NULL)