+++ /dev/null
-#include "../private.h" // for ntdb_fcntl_unlock
-#include "../ntdb.h"
-#include "tap-interface.h"
-#include <errno.h>
-#include "logging.h"
-#include "helpapi-external-agent.h"
-
-static int mylock(int fd, int rw, off_t off, off_t len, bool waitflag,
- void *_err)
-{
- int *lock_err = _err;
- struct flock fl;
- int ret;
-
- if (*lock_err) {
- errno = *lock_err;
- return -1;
- }
-
- do {
- fl.l_type = rw;
- fl.l_whence = SEEK_SET;
- fl.l_start = off;
- fl.l_len = len;
-
- if (waitflag)
- ret = fcntl(fd, F_SETLKW, &fl);
- else
- ret = fcntl(fd, F_SETLK, &fl);
- } while (ret != 0 && errno == EINTR);
-
- return ret;
-}
-
-static int trav_err;
-static int trav(struct ntdb_context *ntdb, NTDB_DATA k, NTDB_DATA d, int *terr)
-{
- *terr = trav_err;
- return 0;
-}
-
-int main(int argc, char *argv[])
-{
- unsigned int i;
- struct ntdb_context *ntdb;
- int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
- NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
- union ntdb_attribute lock_attr;
- NTDB_DATA key = ntdb_mkdata("key", 3);
- NTDB_DATA data = ntdb_mkdata("data", 4);
- int lock_err;
-
- lock_attr.base.attr = NTDB_ATTRIBUTE_FLOCK;
- lock_attr.base.next = &tap_log_attr;
- lock_attr.flock.lock = mylock;
- lock_attr.flock.unlock = ntdb_fcntl_unlock;
- lock_attr.flock.data = &lock_err;
-
- plan_tests(sizeof(flags) / sizeof(flags[0]) * 81);
-
- for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
- NTDB_DATA d;
-
- /* Nonblocking open; expect no error message. */
- lock_err = EAGAIN;
- ntdb = ntdb_open("run-82-lockattr.ntdb", flags[i]|MAYBE_NOSYNC,
- O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
- ok(errno == lock_err, "Errno is %u", errno);
- ok1(!ntdb);
- ok1(tap_log_messages == 0);
-
- lock_err = EINTR;
- ntdb = ntdb_open("run-82-lockattr.ntdb", flags[i]|MAYBE_NOSYNC,
- O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
- ok(errno == lock_err, "Errno is %u", errno);
- ok1(!ntdb);
- ok1(tap_log_messages == 0);
-
- /* Forced fail open. */
- lock_err = ENOMEM;
- ntdb = ntdb_open("run-82-lockattr.ntdb", flags[i]|MAYBE_NOSYNC,
- O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
- ok1(errno == lock_err);
- ok1(!ntdb);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- lock_err = 0;
- ntdb = ntdb_open("run-82-lockattr.ntdb", flags[i]|MAYBE_NOSYNC,
- O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
- if (!ok1(ntdb))
- continue;
- ok1(tap_log_messages == 0);
-
- /* Nonblocking store. */
- lock_err = EAGAIN;
- ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- /* Nonblocking fetch. */
- lock_err = EAGAIN;
- ok1(!ntdb_exists(ntdb, key));
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(!ntdb_exists(ntdb, key));
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(!ntdb_exists(ntdb, key));
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- lock_err = EAGAIN;
- ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- /* Nonblocking delete. */
- lock_err = EAGAIN;
- ok1(ntdb_delete(ntdb, key) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(ntdb_delete(ntdb, key) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(ntdb_delete(ntdb, key) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- /* Nonblocking locks. */
- lock_err = EAGAIN;
- ok1(ntdb_chainlock(ntdb, key) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(ntdb_chainlock(ntdb, key) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(ntdb_chainlock(ntdb, key) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- lock_err = EAGAIN;
- ok1(ntdb_chainlock_read(ntdb, key) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(ntdb_chainlock_read(ntdb, key) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(ntdb_chainlock_read(ntdb, key) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- lock_err = EAGAIN;
- ok1(ntdb_lockall(ntdb) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(ntdb_lockall(ntdb) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(ntdb_lockall(ntdb) == NTDB_ERR_LOCK);
- /* This actually does divide and conquer. */
- ok1(tap_log_messages > 0);
- tap_log_messages = 0;
-
- lock_err = EAGAIN;
- ok1(ntdb_lockall_read(ntdb) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(ntdb_lockall_read(ntdb) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(ntdb_lockall_read(ntdb) == NTDB_ERR_LOCK);
- ok1(tap_log_messages > 0);
- tap_log_messages = 0;
-
- /* Nonblocking traverse; go nonblock partway through. */
- lock_err = 0;
- ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == 0);
- /* Need two entries to ensure two lock attempts! */
- ok1(ntdb_store(ntdb, ntdb_mkdata("key2", 4), data,
- NTDB_REPLACE) == 0);
- trav_err = EAGAIN;
- ok1(ntdb_traverse(ntdb, trav, &lock_err) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- trav_err = EINTR;
- lock_err = 0;
- ok1(ntdb_traverse(ntdb, trav, &lock_err) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- trav_err = ENOMEM;
- lock_err = 0;
- ok1(ntdb_traverse(ntdb, trav, &lock_err) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- /* Nonblocking transactions. */
- lock_err = EAGAIN;
- ok1(ntdb_transaction_start(ntdb) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(ntdb_transaction_start(ntdb) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(ntdb_transaction_start(ntdb) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- /* Nonblocking transaction prepare. */
- lock_err = 0;
- ok1(ntdb_transaction_start(ntdb) == 0);
- ok1(ntdb_delete(ntdb, key) == 0);
-
- lock_err = EAGAIN;
- ok1(ntdb_transaction_prepare_commit(ntdb) == NTDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
-
- lock_err = 0;
- ok1(ntdb_transaction_prepare_commit(ntdb) == 0);
- ok1(ntdb_transaction_commit(ntdb) == 0);
-
- /* And the transaction was committed, right? */
- ok1(!ntdb_exists(ntdb, key));
- ntdb_close(ntdb);
- ok1(tap_log_messages == 0);
- }
- return exit_status();
-}