jehanne/qa/kern/nested_note.c

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/*
* This file is part of Jehanne.
*
* Copyright (C) 2017 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 <lib9.h>
int done;
int waited;
void
handler(void *v, char *s)
{
int i;
if(strcmp(s, "stop") == 0){
done = 1;
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print("stop note received; done = %d\n", done);
}else{
print("waiting after %s", s);
for(i = 0; i < 1000*1000; ++i)
if(i % 4999 == 0)
print(".");
print("\n");
print("wait after %s terminated\n", s);
waited++;
}
noted(NCONT);
}
void
main(int argc, char**argv)
{
int fd;
if(argc > 1){
fd = ocreate(argv[1], OWRITE, 0666);
dup(fd, 1);
close(fd);
}
if (notify(handler)){
fprint(2, "%r\n");
exits("notify fails");
}
print("note handler installed\n");
while(!done)
sleep(100);
if(waited == 2){
print("PASS\n");
exits("PASS");
}
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print("%d notes received\n", waited);
exits("FAIL");
}