/*********************************************************************** * * * This software is part of the ast package * * Copyright (c) 1985-2007 AT&T Intellectual Property * * and is licensed under the * * Common Public License, Version 1.0 * * by AT&T Intellectual Property * * * * A copy of the License is available at * * http://www.opensource.org/licenses/cpl1.0.txt * * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * * * * Information and Software Systems Research * * AT&T Research * * Florham Park NJ * * * * Glenn Fowler <gsf@research.att.com> * * David Korn <dgk@research.att.com> * * Phong Vo <kpv@research.att.com> * * * ***********************************************************************/ #pragma prototyped #include <ast.h> #if _lib_vfork NoN(vfork) #else #include <error.h> #ifndef ENOSYS #define ENOSYS EINVAL #endif #undef vfork #if defined(__EXPORT__) #define extern __EXPORT__ #endif extern pid_t vfork(void) { #if _lib_fork return(fork()); #else errno = ENOSYS; return -1; #endif } #endif