134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these librararies and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $XConsortium: execve.c /main/3 1995/11/01 17:11:30 rswiston $ */
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/***************************************************************
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* *
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* AT&T - PROPRIETARY *
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* *
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* THIS IS PROPRIETARY SOURCE CODE LICENSED BY *
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* AT&T CORP. *
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* *
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* Copyright (c) 1995 AT&T Corp. *
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* All Rights Reserved *
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* *
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* This software is licensed by AT&T Corp. *
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* under the terms and conditions of the license in *
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* http://www.research.att.com/orgs/ssr/book/reuse *
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* *
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* This software was created by the *
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* Software Engineering Research Department *
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* AT&T Bell Laboratories *
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* *
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* For further information contact *
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* gsf@research.att.com *
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* *
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***************************************************************/
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/* : : generated by proto : : */
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#if !defined(__PROTO__)
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#if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)
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#if defined(__cplusplus)
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#define __MANGLE__ "C"
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#else
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#define __MANGLE__
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#endif
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#define __STDARG__
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#define __PROTO__(x) x
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#define __OTORP__(x)
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#define __PARAM__(n,o) n
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#if !defined(__STDC__) && !defined(__cplusplus)
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#if !defined(c_plusplus)
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#define const
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#endif
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#define signed
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#define void int
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#define volatile
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#define __V_ char
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#else
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#define __V_ void
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#endif
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#else
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#define __PROTO__(x) ()
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#define __OTORP__(x) x
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#define __PARAM__(n,o) o
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#define __MANGLE__
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#define __V_ char
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#define const
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#define signed
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#define void int
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#define volatile
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#endif
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#if defined(__cplusplus) || defined(c_plusplus)
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#define __VARARG__ ...
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#else
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#define __VARARG__
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#endif
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#if defined(__STDARG__)
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#define __VA_START__(p,a) va_start(p,a)
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#else
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#define __VA_START__(p,a) va_start(p)
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#endif
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#endif
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#include <ast.h>
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#ifdef _lib_execve
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NoN(execve)
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#else
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#include <sig.h>
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#include <wait.h>
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#include <error.h>
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static pid_t childpid;
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static void
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execsig __PARAM__((int sig), (sig)) __OTORP__(int sig;){
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kill(childpid, sig);
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signal(sig, execsig);
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}
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int
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execve __PARAM__((const char* path, char* const argv[], char* const arge[]), (path, argv, arge)) __OTORP__(const char* path; char* const argv[]; char* const arge[];){
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int status;
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if ((childpid = spawnve(path, argv, arge)) < 0)
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return(-1);
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for (status = 0; status < 64; status++)
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signal(status, execsig);
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while (waitpid(childpid, &status, 0) == -1)
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if (errno != EINTR) return(-1);
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if (WIFSIGNALED(status))
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{
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signal(WTERMSIG(status), SIG_DFL);
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kill(getpid(), WTERMSIG(status));
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pause();
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}
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else status = WEXITSTATUS(status);
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exit(status);
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}
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#endif
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