/* pipe system call for Linux/MIPS */ /* * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ /*see uClibc's sh/pipe.c and glibc-2.2.4's mips/pipe.S */ #include <errno.h> #include <unistd.h> #include <syscall.h> libc_hidden_proto(pipe) int pipe(int *fd) { register long int res __asm__ ("$2"); // v0 register long int res2 __asm__ ("$3"); // v1 asm ("move\t$4,%2\n\t" // $4 = a0 "syscall" /* Perform the system call. */ : "=r" (res) : "0" (__NR_pipe), "r" (fd) : "$4", "$7"); fd[0] = res; fd[1] = res2; return(0); } libc_hidden_def(pipe)