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zdtm: Add pty01 test

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Two slaves on same pty.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov 2012-09-12 20:02:32 +04:00 • committed by Pavel Emelyanov
parent 20d6762d93
commit 1a41fcfc21
2 changed files with 94 additions and 0 deletions
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1
test/zdtm/live/static/Makefile
View file

@ -52,6 +52,7 @@ TST_NOFILE = \
uptime_grow \
session00 \
pty00 \
pty01 \
tty00 \
mountpoints \
netns \

93
test/zdtm/live/static/pty01.c Normal file
View file

@ -0,0 +1,93 @@
#define _XOPEN_SOURCE
#include <stdlib.h>
#include "zdtmtst.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <termios.h>
#include <signal.h>
const char *test_doc = "Check two pts on ptmx";
const char *test_author = "Cyrill Gorcunov <gorcunov@openvz.org>";
static const char teststr[] = "ping\n";
int main(int argc, char *argv[])
{
char buf[sizeof(teststr)];
int master, slave1, slave2, ret;
char *slavename;
test_init(argc, argv);
master = open("/dev/ptmx", O_RDWR);
if (master == -1) {
err("open(%s) failed", "/dev/ptmx");
return 1;
}
grantpt(master);
unlockpt(master);
slavename = ptsname(master);
slave1 = open(slavename, O_RDWR);
if (slave1 == -1) {
err("open(%s) failed", slavename);
return 1;
}
slave2 = open(slavename, O_RDWR);
if (slave2 == -1) {
err("open(%s) failed", slavename);
return 1;
}
test_daemon();
test_waitsig();
signal(SIGHUP, SIG_IGN);
ret = write(master, teststr, sizeof(teststr) - 1);
if (ret != sizeof(teststr) - 1) {
err("write(master) failed");
return 1;
}
ret = read(slave1, buf, sizeof(teststr) - 1);
if (ret != sizeof(teststr) - 1) {
err("read(slave1) failed");
return 1;
}
if (strncmp(teststr, buf, sizeof(teststr) - 1)) {
fail("data mismatch");
return 1;
}
ret = write(master, teststr, sizeof(teststr) - 1);
if (ret != sizeof(teststr) - 1) {
err("write(master) failed");
return 1;
}
ret = read(slave2, buf, sizeof(teststr) - 1);
if (ret != sizeof(teststr) - 1) {
err("read(slave1) failed");
return 1;
}
if (strncmp(teststr, buf, sizeof(teststr) - 1)) {
fail("data mismatch");
return 1;
}
close(master);
close(slave1);
close(slave2);
pass();
return 0;
}