diff options
Diffstat (limited to 'lib/tdb2/test/api-fork-test.c')
| -rw-r--r-- | lib/tdb2/test/api-fork-test.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/lib/tdb2/test/api-fork-test.c b/lib/tdb2/test/api-fork-test.c deleted file mode 100644 index 934c71cbe8..0000000000 --- a/lib/tdb2/test/api-fork-test.c +++ /dev/null @@ -1,179 +0,0 @@ -/* Test forking while holding lock. - * - * There are only five ways to do this currently: - * (1) grab a tdb_chainlock, then fork. - * (2) grab a tdb_lockall, then fork. - * (3) grab a tdb_lockall_read, then fork. - * (4) start a transaction, then fork. - * (5) fork from inside a tdb_parse() callback. - * - * Note that we don't hold a lock across tdb_traverse callbacks, so - * that doesn't matter. - */ -#include "config.h" -#include "tdb2.h" -#include "tap-interface.h" -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <unistd.h> -#include <stdlib.h> -#include "logging.h" - -static enum TDB_ERROR fork_in_parse(TDB_DATA key, TDB_DATA data, - struct tdb_context *tdb) -{ - int status; - - if (fork() == 0) { - /* We expect this to fail. */ - if (tdb_store(tdb, key, data, TDB_REPLACE) != TDB_ERR_LOCK) - exit(1); - - if (tdb_fetch(tdb, key, &data) != TDB_ERR_LOCK) - exit(1); - - if (tap_log_messages != 2) - exit(2); - - tdb_close(tdb); - if (tap_log_messages != 2) - exit(3); - exit(0); - } - wait(&status); - ok1(WIFEXITED(status) && WEXITSTATUS(status) == 0); - return TDB_SUCCESS; -} - -int main(int argc, char *argv[]) -{ - unsigned int i; - struct tdb_context *tdb; - int flags[] = { TDB_DEFAULT, TDB_NOMMAP, - TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT }; - struct tdb_data key = tdb_mkdata("key", 3); - struct tdb_data data = tdb_mkdata("data", 4); - - plan_tests(sizeof(flags) / sizeof(flags[0]) * 14); - for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) { - int status; - - tap_log_messages = 0; - - tdb = tdb_open("run-fork-test.tdb", flags[i], - O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr); - if (!ok1(tdb)) - continue; - - /* Put a record in here. */ - ok1(tdb_store(tdb, key, data, TDB_REPLACE) == TDB_SUCCESS); - - ok1(tdb_chainlock(tdb, key) == TDB_SUCCESS); - if (fork() == 0) { - /* We expect this to fail. */ - if (tdb_store(tdb, key, data, TDB_REPLACE) != TDB_ERR_LOCK) - return 1; - - if (tdb_fetch(tdb, key, &data) != TDB_ERR_LOCK) - return 1; - - if (tap_log_messages != 2) - return 2; - - tdb_chainunlock(tdb, key); - if (tap_log_messages != 3) - return 3; - tdb_close(tdb); - if (tap_log_messages != 3) - return 4; - return 0; - } - wait(&status); - ok1(WIFEXITED(status) && WEXITSTATUS(status) == 0); - tdb_chainunlock(tdb, key); - - ok1(tdb_lockall(tdb) == TDB_SUCCESS); - if (fork() == 0) { - /* We expect this to fail. */ - if (tdb_store(tdb, key, data, TDB_REPLACE) != TDB_ERR_LOCK) - return 1; - - if (tdb_fetch(tdb, key, &data) != TDB_ERR_LOCK) - return 1; - - if (tap_log_messages != 2) - return 2; - - tdb_unlockall(tdb); - if (tap_log_messages != 2) - return 3; - tdb_close(tdb); - if (tap_log_messages != 2) - return 4; - return 0; - } - wait(&status); - ok1(WIFEXITED(status) && WEXITSTATUS(status) == 0); - tdb_unlockall(tdb); - - ok1(tdb_lockall_read(tdb) == TDB_SUCCESS); - if (fork() == 0) { - /* We expect this to fail. */ - /* This would always fail anyway... */ - if (tdb_store(tdb, key, data, TDB_REPLACE) != TDB_ERR_LOCK) - return 1; - - if (tdb_fetch(tdb, key, &data) != TDB_ERR_LOCK) - return 1; - - if (tap_log_messages != 2) - return 2; - - tdb_unlockall_read(tdb); - if (tap_log_messages != 2) - return 3; - tdb_close(tdb); - if (tap_log_messages != 2) - return 4; - return 0; - } - wait(&status); - ok1(WIFEXITED(status) && WEXITSTATUS(status) == 0); - tdb_unlockall_read(tdb); - - ok1(tdb_transaction_start(tdb) == TDB_SUCCESS); - /* If transactions is empty, noop "commit" succeeds. */ - ok1(tdb_delete(tdb, key) == TDB_SUCCESS); - if (fork() == 0) { - /* We expect this to fail. */ - if (tdb_store(tdb, key, data, TDB_REPLACE) != TDB_ERR_LOCK) - return 1; - - if (tdb_fetch(tdb, key, &data) != TDB_ERR_LOCK) - return 1; - - if (tap_log_messages != 2) - return 2; - - if (tdb_transaction_commit(tdb) != TDB_ERR_LOCK) - return 3; - - tdb_close(tdb); - if (tap_log_messages < 3) - return 4; - return 0; - } - wait(&status); - ok1(WIFEXITED(status) && WEXITSTATUS(status) == 0); - tdb_transaction_cancel(tdb); - - ok1(tdb_parse_record(tdb, key, fork_in_parse, tdb) - == TDB_SUCCESS); - tdb_close(tdb); - ok1(tap_log_messages == 0); - } - return exit_status(); -} |