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mirror of https://github.com/samba-team/samba.git synced 2025-01-13 13:18:06 +03:00

greatly expanded the lock4 locking test. we now pass all but one test

- that should be fixed soon.
(This used to be commit 23bb936e1f)
This commit is contained in:
Andrew Tridgell 2000-01-13 12:11:30 +00:00
parent 826446ddef
commit cdb8c99fce

View File

@ -242,7 +242,7 @@ static BOOL rw_torture(struct cli_state *c)
printf("unlink failed (%s)\n", cli_errstr(c));
}
if (!cli_unlock(c, fnum2, n*sizeof(int), sizeof(int), -1, F_WRLCK)) {
if (!cli_unlock(c, fnum2, n*sizeof(int), sizeof(int), -1)) {
printf("unlock failed (%s)\n", cli_errstr(c));
}
}
@ -563,7 +563,7 @@ static void run_locktest2(int dummy)
cli_setpid(&cli, 2);
if (cli_unlock(&cli, fnum1, 0, 4, 0, F_WRLCK)) {
if (cli_unlock(&cli, fnum1, 0, 4, 0)) {
printf("unlock1 succeeded! This is a locking bug\n");
}
@ -675,14 +675,14 @@ static void run_locktest3(int dummy)
for (offset=i=0;i<numops;i++) {
NEXT_OFFSET;
if (!cli_unlock(&cli1, fnum1, offset-1, 1, 0, F_WRLCK)) {
if (!cli_unlock(&cli1, fnum1, offset-1, 1, 0)) {
printf("unlock1 %d failed (%s)\n",
i,
cli_errstr(&cli1));
return;
}
if (!cli_unlock(&cli2, fnum2, offset-2, 1, 0, F_WRLCK)) {
if (!cli_unlock(&cli2, fnum2, offset-2, 1, 0)) {
printf("unlock2 %d failed (%s)\n",
i,
cli_errstr(&cli1));
@ -709,6 +709,7 @@ static void run_locktest3(int dummy)
printf("finished locktest3\n");
}
#define EXPECTED(ret, v) if ((ret) != (v)) printf("** ")
/*
looks at overlapping locks
@ -724,6 +725,7 @@ static void run_locktest4(int dummy)
if (!open_connection(&cli1) || !open_connection(&cli2)) {
return;
}
cli_sockopt(&cli1, sockops);
cli_sockopt(&cli2, sockops);
@ -741,71 +743,117 @@ static void run_locktest4(int dummy)
goto fail;
}
cli_lock(&cli1, fnum1, 0, 4, 0, F_WRLCK);
ret = cli_lock(&cli1, fnum1, 2, 4, 0, F_WRLCK);
ret = cli_lock(&cli1, fnum1, 0, 4, 0, WRITE_LOCK) &&
cli_lock(&cli1, fnum1, 2, 4, 0, WRITE_LOCK);
EXPECTED(ret, False);
printf("the same process %s set overlapping write locks\n", ret?"can":"cannot");
cli_lock(&cli1, fnum1, 10, 4, 0, F_RDLCK);
ret = cli_lock(&cli1, fnum1, 12, 4, 0, F_RDLCK);
ret = cli_lock(&cli1, fnum1, 10, 4, 0, READ_LOCK) &&
cli_lock(&cli1, fnum1, 12, 4, 0, READ_LOCK);
EXPECTED(ret, True);
printf("the same process %s set overlapping read locks\n", ret?"can":"cannot");
cli_lock(&cli1, fnum1, 20, 4, 0, F_WRLCK);
ret = cli_lock(&cli2, fnum2, 22, 4, 0, F_WRLCK);
ret = cli_lock(&cli1, fnum1, 20, 4, 0, WRITE_LOCK) &&
cli_lock(&cli2, fnum2, 22, 4, 0, WRITE_LOCK);
EXPECTED(ret, False);
printf("a different connection %s set overlapping write locks\n", ret?"can":"cannot");
cli_lock(&cli1, fnum1, 30, 4, 0, F_RDLCK);
ret = cli_lock(&cli2, fnum2, 32, 4, 0, F_RDLCK);
ret = cli_lock(&cli1, fnum1, 30, 4, 0, READ_LOCK) &&
cli_lock(&cli2, fnum2, 32, 4, 0, READ_LOCK);
EXPECTED(ret, True);
printf("a different connection %s set overlapping read locks\n", ret?"can":"cannot");
cli_setpid(&cli1, 1);
cli_lock(&cli1, fnum1, 40, 4, 0, F_WRLCK);
cli_setpid(&cli1, 2);
ret = cli_lock(&cli1, fnum1, 42, 4, 0, F_WRLCK);
ret = (cli_setpid(&cli1, 1), cli_lock(&cli1, fnum1, 40, 4, 0, WRITE_LOCK)) &&
(cli_setpid(&cli1, 2), cli_lock(&cli1, fnum1, 42, 4, 0, WRITE_LOCK));
EXPECTED(ret, False);
printf("a different pid %s set overlapping write locks\n", ret?"can":"cannot");
cli_setpid(&cli1, 1);
cli_lock(&cli1, fnum1, 50, 4, 0, F_RDLCK);
cli_setpid(&cli1, 2);
ret = cli_lock(&cli1, fnum1, 52, 4, 0, F_RDLCK);
ret = (cli_setpid(&cli1, 1), cli_lock(&cli1, fnum1, 50, 4, 0, READ_LOCK)) &&
(cli_setpid(&cli1, 2), cli_lock(&cli1, fnum1, 52, 4, 0, READ_LOCK));
EXPECTED(ret, True);
printf("a different pid %s set overlapping read locks\n", ret?"can":"cannot");
cli_lock(&cli1, fnum1, 60, 4, 0, F_RDLCK);
ret = cli_lock(&cli1, fnum1, 60, 4, 0, F_RDLCK);
ret = cli_lock(&cli1, fnum1, 60, 4, 0, READ_LOCK) &&
cli_lock(&cli1, fnum1, 60, 4, 0, READ_LOCK);
EXPECTED(ret, True);
printf("the same process %s set the same read lock twice\n", ret?"can":"cannot");
cli_lock(&cli1, fnum1, 70, 4, 0, F_WRLCK);
ret = cli_lock(&cli1, fnum1, 70, 4, 0, F_WRLCK);
ret = cli_lock(&cli1, fnum1, 70, 4, 0, WRITE_LOCK) &&
cli_lock(&cli1, fnum1, 70, 4, 0, WRITE_LOCK);
EXPECTED(ret, False);
printf("the same process %s set the same write lock twice\n", ret?"can":"cannot");
cli_lock(&cli1, fnum1, 80, 4, 0, F_RDLCK);
ret = cli_lock(&cli1, fnum1, 80, 4, 0, F_WRLCK);
printf("the same process %s override a read lock with a write lock\n", ret?"can":"cannot");
ret = cli_lock(&cli1, fnum1, 80, 4, 0, READ_LOCK) &&
cli_lock(&cli1, fnum1, 80, 4, 0, WRITE_LOCK);
EXPECTED(ret, False);
printf("the same process %s overlay a read lock with a write lock\n", ret?"can":"cannot");
cli_lock(&cli1, fnum1, 90, 4, 0, F_WRLCK);
ret = cli_lock(&cli1, fnum1, 90, 4, 0, F_RDLCK);
printf("the same process %s override a write lock with a read lock\n", ret?"can":"cannot");
ret = cli_lock(&cli1, fnum1, 90, 4, 0, WRITE_LOCK) &&
cli_lock(&cli1, fnum1, 90, 4, 0, READ_LOCK);
EXPECTED(ret, True);
printf("the same process %s overlay a write lock with a read lock\n", ret?"can":"cannot");
cli_setpid(&cli1, 1);
cli_lock(&cli1, fnum1, 100, 4, 0, F_WRLCK);
cli_setpid(&cli1, 2);
ret = cli_lock(&cli1, fnum1, 100, 4, 0, F_RDLCK);
printf("a different pid %s override a write lock with a read lock\n", ret?"can":"cannot");
ret = (cli_setpid(&cli1, 1), cli_lock(&cli1, fnum1, 100, 4, 0, WRITE_LOCK)) &&
(cli_setpid(&cli1, 2), cli_lock(&cli1, fnum1, 100, 4, 0, READ_LOCK));
EXPECTED(ret, False);
printf("a different pid %s overlay a write lock with a read lock\n", ret?"can":"cannot");
cli_lock(&cli1, fnum1, 110, 4, 0, F_RDLCK);
cli_lock(&cli1, fnum1, 112, 4, 0, F_RDLCK);
ret = cli_unlock(&cli1, fnum1, 110, 6, 0, F_RDLCK);
ret = cli_lock(&cli1, fnum1, 110, 4, 0, READ_LOCK) &&
cli_lock(&cli1, fnum1, 112, 4, 0, READ_LOCK) &&
cli_unlock(&cli1, fnum1, 110, 6, 0);
EXPECTED(ret, False);
printf("the same process %s coalesce read locks\n", ret?"can":"cannot");
cli_lock(&cli1, fnum1, 120, 4, 0, F_WRLCK);
ret = (cli_read(&cli2, fnum2, buf, 120, 4) == 4);
ret = cli_lock(&cli1, fnum1, 120, 4, 0, WRITE_LOCK) &&
(cli_read(&cli2, fnum2, buf, 120, 4) == 4);
EXPECTED(ret, False);
printf("this server %s strict write locking\n", ret?"doesn't do":"does");
cli_lock(&cli1, fnum1, 130, 4, 0, F_RDLCK);
ret = (cli_write(&cli2, fnum2, 0, buf, 130, 4) == 4);
ret = cli_lock(&cli1, fnum1, 130, 4, 0, READ_LOCK) &&
(cli_write(&cli2, fnum2, 0, buf, 130, 4) == 4);
EXPECTED(ret, False);
printf("this server %s strict read locking\n", ret?"doesn't do":"does");
ret = cli_lock(&cli1, fnum1, 140, 4, 0, READ_LOCK) &&
cli_lock(&cli1, fnum1, 140, 4, 0, READ_LOCK) &&
cli_unlock(&cli1, fnum1, 140, 4, 0) &&
cli_unlock(&cli1, fnum1, 140, 4, 0);
EXPECTED(ret, True);
printf("this server %s do recursive read locking\n", ret?"does":"doesn't");
ret = cli_lock(&cli1, fnum1, 150, 4, 0, WRITE_LOCK) &&
cli_lock(&cli1, fnum1, 150, 4, 0, READ_LOCK) &&
cli_unlock(&cli1, fnum1, 150, 4, 0) &&
(cli_read(&cli2, fnum2, buf, 150, 4) == 4) &&
!(cli_write(&cli2, fnum2, 0, buf, 150, 4) == 4) &&
cli_unlock(&cli1, fnum1, 150, 4, 0);
EXPECTED(ret, True);
printf("this server %s do recursive lock overlays\n", ret?"does":"doesn't");
ret = cli_lock(&cli1, fnum1, 160, 4, 0, READ_LOCK) &&
cli_unlock(&cli1, fnum1, 160, 4, 0) &&
(cli_write(&cli2, fnum2, 0, buf, 160, 4) == 4) &&
(cli_read(&cli2, fnum2, buf, 160, 4) == 4);
EXPECTED(ret, True);
printf("the same process %s remove a read lock using write locking\n", ret?"can":"cannot");
ret = cli_lock(&cli1, fnum1, 170, 4, 0, WRITE_LOCK) &&
cli_unlock(&cli1, fnum1, 170, 4, 0) &&
(cli_write(&cli2, fnum2, 0, buf, 170, 4) == 4) &&
(cli_read(&cli2, fnum2, buf, 170, 4) == 4);
EXPECTED(ret, True);
printf("the same process %s remove a write lock using read locking\n", ret?"can":"cannot");
ret = cli_lock(&cli1, fnum1, 190, 4, 0, WRITE_LOCK) &&
cli_lock(&cli1, fnum1, 190, 4, 0, READ_LOCK) &&
cli_unlock(&cli1, fnum1, 190, 4, 0) &&
!(cli_write(&cli2, fnum2, 0, buf, 190, 4) == 4) &&
(cli_read(&cli2, fnum2, buf, 190, 4) == 4);
EXPECTED(ret, True);
printf("the same process %s remove the first lock first\n", ret?"does":"doesn't");
fail:
cli_close(&cli1, fnum1);