2015-12-22 12:55:44 +01:00
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/*
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* This file is part of Jehanne.
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*
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* Copyright (C) 2015 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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2016-11-25 17:18:40 +01:00
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extern int32_t _mainpid; /* declared in $ARCH/argv0.c
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* set by $ARCH/main9.S and $ARCH/syscall.c
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*/
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2015-12-22 12:55:44 +01:00
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int32_t
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2017-04-19 23:33:14 +02:00
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jehanne_getmainpid(void)
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2015-12-22 12:55:44 +01:00
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{
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2016-11-25 17:18:40 +01:00
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/* getmainpid returns the pid of the process at the top of the
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* stack, that is the process that started the main() function.
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*
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* it replace the old Plan9 _tos->pid
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*/
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return _mainpid;
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2015-12-22 12:55:44 +01:00
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}
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