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kernel: fix _procfdprint to use chan's flags

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Giacomo Tesio
2017-09-28 23:04:05 +02:00
parent ba11888753
commit 90c3415176
4 changed files with 111 additions and 3 deletions
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70
qa/kern/dup.c Normal file
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@ -0,0 +1,70 @@
/*
* This file is part of Jehanne.
*
* Copyright (C) 2015 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>
/* check devdup Nctl format */
void
main(void)
{
char buf[256];
int fd, r;
fd = open("/fd/0ctl", OREAD|OCEXEC);
if(fd < 0)
goto Fail;
r = read(fd, buf, sizeof(buf));
if(r < 0)
goto Fail;
close(fd);
print("Got 0ctl: %s\n", buf);
fd = open("/fd/1ctl", OREAD|OCEXEC);
if(fd < 0)
goto Fail;
r = read(fd, buf, sizeof(buf));
if(r < 0)
goto Fail;
close(fd);
print("Got 1ctl: %s\n", buf);
fd = open("/fd/2ctl", OREAD|OCEXEC);
if(fd < 0)
goto Fail;
r = read(fd, buf, sizeof(buf));
if(r < 0)
goto Fail;
print("Got 2ctl: %s\n", buf);
snprint(buf, sizeof(buf), "/fd/%dctl", fd);
fd = open(buf, OREAD);
if(fd < 0)
goto Fail;
r = read(fd, buf, sizeof(buf));
if(r < 0)
goto Fail;
print("Got: %s\n", buf);
close(fd);
exits(nil);
Fail:
print("FAIL\n");
exits("FAIL");
}