/* $NetBSD: eval.h,v 1.23 2019/02/04 11:16:41 kre Exp $ */ /*- * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Kenneth Almquist. * * 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 and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * @(#)eval.h 8.2 (Berkeley) 5/4/95 */ extern const char *commandname; /* currently executing command */ extern int exitstatus; /* exit status of last command */ extern int back_exitstatus; /* exit status of backquoted command */ extern struct strlist *cmdenviron; /* environment for builtin command */ struct backcmd { /* result of evalbackcmd */ int fd; /* file descriptor to read from */ char *buf; /* buffer */ int nleft; /* number of chars in buffer */ struct job *jp; /* job structure for command */ }; void evalstring(char *, int); union node; /* BLETCH for ansi C */ void evaltree(union node *, int); void evalbackcmd(union node *, struct backcmd *); const char *syspath(void); /* in_function returns nonzero if we are currently evaluating a function */ int in_function(void); /* return non-zero, if evaluating a function */ /* reasons for skipping commands (see comment on breakcmd routine) */ enum skipstate { SKIPNONE = 0, /* not skipping */ SKIPBREAK, /* break */ SKIPCONT, /* continue */ SKIPFUNC, /* return in a function */ SKIPFILE /* return in a dot command */ }; struct skipsave { enum skipstate state; /* skipping or not */ int count; /* when break or continue, how many */ }; enum skipstate current_skipstate(void); void save_skipstate(struct skipsave *); void restore_skipstate(const struct skipsave *); void stop_skipping(void); /* reset internal skipping state to SKIPNONE */ int set_dot_funcnest(int); /* * Only for use by reset() in init.c! */ void reset_eval(void); /* flags in argument to evaltree */ #define EV_EXIT 0x01 /* exit after evaluating tree */ #define EV_TESTED 0x02 /* exit status is checked; ignore -e flag */ #define EV_BACKCMD 0x04 /* command executing within back quotes */ 08-16 17:24:28 +0000'>2014-08-16Add COMPAT_70 to conf/files; add compat_70 to kern/syscalls.confapb 2013-03-29compat glue for new lwp_parkchristos 2009-01-11merge christos-time_tchristos 2007-11-09Add arguments to sys_syscall and sys___syscall.dsl 2006-05-05Add compat_30 as a compatopts.cube 2005-12-11merge ktrace-lwp.christos 2004-04-21Replace the statfs() family of system calls with statvfs().christos 2003-10-13Define compat_16 as valid prefix; define the 1.6 compat sigreturn.fvdl 2002-11-01set nsysent to 512jdolecek 1999-10-11Add netbsd32_compat_14.ceeh 1999-03-25move sparc32 to netbsd32; split out MD part (signal handling) (mostly via rep...mrg