60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* This file is part of Jehanne.
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*
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* Copyright (C) 2016 Giacomo Tesio <giacomo@tesio.it>
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*
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* Jehanne is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* Jehanne is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <u.h>
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#include <libc.h>
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void
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main(void)
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{
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int ppid;
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char err[ERRMAX];
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Waitmsg *w;
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if(rfork(RFPROC) == 0){
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ppid = getmainpid(); // this comes from exec() syscall
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if(getppid() != ppid){
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print("FAIL: getppid() != getmainpid()\n");
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exits("FAIL");
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}
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rfork(RFNOMNT);
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if(getppid() != ppid){
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print("FAIL: rfork(RFNOMNT); getppid() != getmainpid()\n");
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exits("FAIL");
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}
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rfork(RFNOMNT|RFCNAMEG);
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if(getppid() != -1){
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print("FAIL: rfork(RFNOMNT|RFCNAMEG)); getppid() != -1\n");
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exits("FAIL");
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}
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rerrstr(err, ERRMAX);
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if(strcmp("getppid: cannot open neither #c/ppid nor /dev/ppid", err)){
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print("FAIL: rfork(RFNOMNT|RFCNAMEG)); getppid() set errstr '%s'\n", err);
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exits("FAIL");
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}
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exits(nil);
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} else {
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w = wait();
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if(w->msg[0]){
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exits("FAIL");
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}
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print("PASS\n");
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exits("PASS");
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}
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}
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