1N/A/***********************************************************************
1N/A* *
1N/A* This software is part of the ast package *
1N/A* Copyright (c) 1985-2011 AT&T Intellectual Property *
1N/A* and is licensed under the *
1N/A* Common Public License, Version 1.0 *
1N/A* by AT&T Intellectual Property *
1N/A* *
1N/A* A copy of the License is available at *
1N/A* http://www.opensource.org/licenses/cpl1.0.txt *
1N/A* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
1N/A* *
1N/A* Information and Software Systems Research *
1N/A* AT&T Research *
1N/A* Florham Park NJ *
1N/A* *
1N/A* Glenn Fowler <gsf@research.att.com> *
1N/A* David Korn <dgk@research.att.com> *
1N/A* Phong Vo <kpv@research.att.com> *
1N/A* *
1N/A***********************************************************************/
1N/A#pragma prototyped
1N/A
1N/A#include <ast.h>
1N/A
1N/A#if _lib_execve
1N/A
1N/ANoN(execve)
1N/A
1N/A#else
1N/A
1N/A#include <sig.h>
1N/A#include <wait.h>
1N/A#include <error.h>
1N/A
1N/Astatic pid_t childpid;
1N/A
1N/Astatic void
1N/Aexecsig(int sig)
1N/A{
1N/A kill(childpid, sig);
1N/A signal(sig, execsig);
1N/A}
1N/A
1N/A#if defined(__EXPORT__)
1N/A#define extern __EXPORT__
1N/A#endif
1N/A
1N/Aextern int
1N/Aexecve(const char* path, char* const argv[], char* const arge[])
1N/A{
1N/A int status;
1N/A
1N/A if ((childpid = spawnve(path, argv, arge)) < 0)
1N/A return(-1);
1N/A for (status = 0; status < 64; status++)
1N/A signal(status, execsig);
1N/A while (waitpid(childpid, &status, 0) == -1)
1N/A if (errno != EINTR) return(-1);
1N/A if (WIFSIGNALED(status))
1N/A {
1N/A signal(WTERMSIG(status), SIG_DFL);
1N/A kill(getpid(), WTERMSIG(status));
1N/A pause();
1N/A }
1N/A else status = WEXITSTATUS(status);
1N/A exit(status);
1N/A}
1N/A
1N/A#endif