/*- * Copyright (c) 2002-2018 The UbixOS Project. * All rights reserved. * * This was developed by Christopher W. Olsen for the UbixOS Project. * * Redistribution and use in source and binary forms, with or without modification, are permitted * provided that the following conditions are met: * * 1) Redistributions of source code must retain the above copyright notice, this list of * conditions, the following disclaimer and the list of authors. * 2) Redistributions in binary form must reproduce the above copyright notice, this list of * conditions, the following disclaimer and the list of authors in the documentation and/or * other materials provided with the distribution. * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to * endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <sys/pipe.h> #include <sys/sysproto.h> #include <sys/thread.h> #include <sys/kern_descrip.h> #include <lib/kprintf.h> #include <assert.h> /** HACK */ int pipe(struct thread *td, struct pipe_args *uap) { struct file *rf, *wf; int fd = 0x0; falloc(td, &rf, &fd); rf->f_flag = FREAD | FWRITE; td->td_retval[0] = fd; falloc(td, &wf, &fd); wf->f_flag = FREAD | FWRITE; td->td_retval[1] = fd; return (0x0); } /*** END ***/