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first usable version of kernel and commands

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After an year of hard work, this is a first "usable" version of Jehanne.
This commit is contained in:
Giacomo Tesio
2016-11-25 16:18:40 +00:00
parent 391252a059
commit 38aca7a581
3989 changed files with 406697 additions and 1909 deletions
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66
qa/lib/c/privates2.c Normal file
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/*
* This file is part of Jehanne.
*
* Copyright (C) 2016 Giacomo Tesio <giacomo@tesio.it>
*
* Jehanne is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 of the License.
*
* Jehanne is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
*/
#include <u.h>
#include <libc.h>
int spin;
int ok[2];
void
main(void)
{
char **test;
test = (char **)privalloc();
*test = smprint("Hello from %d (at %p)\n", getpid(), test);
rfork(RFNOTEG);
switch(rfork(RFPROC|RFMEM)){
case -1:
exits("rfork");
case 0:
*test = smprint("Hello from %d (at %p)\n", getpid(), test);
spin = 1;
while(spin)
;
print("on %d: %s", getpid(), *test);
exits(nil);
break;
default:
while(spin == 0)
;
}
switch(rfork(RFPROC|RFMEM)){
case -1:
exits("rfork");
case 0:
*test = smprint("Hello from %d (at %p)\n", getpid(), test);
spin = 2;
while(spin)
;
print("on %d: %s", getpid(), *test);
exits(nil);
break;
default:
while(spin == 1)
;
}
spin = 0;
sleep(500);
print("on %d: %s", getpid(), *test);
exits("PASS");
}