+++ /dev/null
-#include <ccan/tdb2/private.h> // for tdb_fcntl_unlock
-#include <ccan/tdb2/tdb2.h>
-#include <ccan/tap/tap.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <errno.h>
-#include "logging.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 tdb_context *tdb, TDB_DATA k, TDB_DATA d, int *err)
-{
- *err = trav_err;
- return 0;
-}
-
-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,
- TDB_VERSION1, TDB_NOMMAP|TDB_VERSION1,
- TDB_CONVERT|TDB_VERSION1,
- TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
- union tdb_attribute lock_attr;
- struct tdb_data key = tdb_mkdata("key", 3);
- struct tdb_data data = tdb_mkdata("data", 4);
- int lock_err;
-
- lock_attr.base.attr = TDB_ATTRIBUTE_FLOCK;
- lock_attr.base.next = &tap_log_attr;
- lock_attr.flock.lock = mylock;
- lock_attr.flock.unlock = tdb_fcntl_unlock;
- lock_attr.flock.data = &lock_err;
-
- plan_tests(sizeof(flags) / sizeof(flags[0]) * 80);
-
- for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
- struct tdb_data d;
- unsigned int num_oom_messages;
-
- /* TDB1 double logs here. */
- if (flags[i] & TDB_VERSION1) {
- num_oom_messages = 2;
- } else {
- num_oom_messages = 1;
- }
-
- /* Nonblocking open; expect no error message. */
- lock_err = EAGAIN;
- tdb = tdb_open("run-82-lockattr.tdb", flags[i],
- O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
- ok(errno == lock_err, "Errno is %u", errno);
- ok1(!tdb);
- ok1(tap_log_messages == 0);
-
- lock_err = EINTR;
- tdb = tdb_open("run-82-lockattr.tdb", flags[i],
- O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
- ok(errno == lock_err, "Errno is %u", errno);
- ok1(!tdb);
- ok1(tap_log_messages == 0);
-
- /* Forced fail open. */
- lock_err = ENOMEM;
- tdb = tdb_open("run-82-lockattr.tdb", flags[i],
- O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
- ok1(errno == lock_err);
- ok1(!tdb);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- lock_err = 0;
- tdb = tdb_open("run-82-lockattr.tdb", flags[i],
- O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
- if (!ok1(tdb))
- continue;
- ok1(tap_log_messages == 0);
-
- /* Nonblocking store. */
- lock_err = EAGAIN;
- ok1(tdb_store(tdb, key, data, TDB_REPLACE) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(tdb_store(tdb, key, data, TDB_REPLACE) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(tdb_store(tdb, key, data, TDB_REPLACE) == TDB_ERR_LOCK);
- ok1(tap_log_messages == num_oom_messages);
- tap_log_messages = 0;
-
- /* Nonblocking fetch. */
- lock_err = EAGAIN;
- ok1(!tdb_exists(tdb, key));
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(!tdb_exists(tdb, key));
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(!tdb_exists(tdb, key));
- ok1(tap_log_messages == num_oom_messages);
- tap_log_messages = 0;
-
- lock_err = EAGAIN;
- ok1(tdb_fetch(tdb, key, &d) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(tdb_fetch(tdb, key, &d) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(tdb_fetch(tdb, key, &d) == TDB_ERR_LOCK);
- ok1(tap_log_messages == num_oom_messages);
- tap_log_messages = 0;
-
- /* Nonblocking delete. */
- lock_err = EAGAIN;
- ok1(tdb_delete(tdb, key) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(tdb_delete(tdb, key) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(tdb_delete(tdb, key) == TDB_ERR_LOCK);
- ok1(tap_log_messages == num_oom_messages);
- tap_log_messages = 0;
-
- /* Nonblocking locks. */
- lock_err = EAGAIN;
- ok1(tdb_chainlock(tdb, key) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(tdb_chainlock(tdb, key) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(tdb_chainlock(tdb, key) == TDB_ERR_LOCK);
- ok1(tap_log_messages == num_oom_messages);
- tap_log_messages = 0;
-
- lock_err = EAGAIN;
- ok1(tdb_chainlock_read(tdb, key) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(tdb_chainlock_read(tdb, key) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(tdb_chainlock_read(tdb, key) == TDB_ERR_LOCK);
- ok1(tap_log_messages == num_oom_messages);
- tap_log_messages = 0;
-
- lock_err = EAGAIN;
- ok1(tdb_lockall(tdb) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(tdb_lockall(tdb) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(tdb_lockall(tdb) == TDB_ERR_LOCK);
- /* This actually does divide and conquer. */
- ok1(tap_log_messages > 0);
- tap_log_messages = 0;
-
- lock_err = EAGAIN;
- ok1(tdb_lockall_read(tdb) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(tdb_lockall_read(tdb) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(tdb_lockall_read(tdb) == TDB_ERR_LOCK);
- ok1(tap_log_messages > 0);
- tap_log_messages = 0;
-
- /* Nonblocking traverse; go nonblock partway through. */
- lock_err = 0;
- ok1(tdb_store(tdb, key, data, TDB_REPLACE) == 0);
- trav_err = EAGAIN;
- ok1(tdb_traverse(tdb, trav, &lock_err) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- trav_err = EINTR;
- lock_err = 0;
- ok1(tdb_traverse(tdb, trav, &lock_err) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- trav_err = ENOMEM;
- lock_err = 0;
- ok1(tdb_traverse(tdb, trav, &lock_err) == TDB_ERR_LOCK);
- ok1(tap_log_messages == num_oom_messages);
- tap_log_messages = 0;
-
- /* Nonblocking transactions. */
- lock_err = EAGAIN;
- ok1(tdb_transaction_start(tdb) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = EINTR;
- ok1(tdb_transaction_start(tdb) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
- lock_err = ENOMEM;
- ok1(tdb_transaction_start(tdb) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 1);
- tap_log_messages = 0;
-
- /* Nonblocking transaction prepare. */
- lock_err = 0;
- ok1(tdb_transaction_start(tdb) == 0);
- ok1(tdb_delete(tdb, key) == 0);
-
- lock_err = EAGAIN;
- ok1(tdb_transaction_prepare_commit(tdb) == TDB_ERR_LOCK);
- ok1(tap_log_messages == 0);
-
- lock_err = 0;
- ok1(tdb_transaction_prepare_commit(tdb) == 0);
- ok1(tdb_transaction_commit(tdb) == 0);
-
- /* And the transaction was committed, right? */
- ok1(!tdb_exists(tdb, key));
- tdb_close(tdb);
- ok1(tap_log_messages == 0);
- }
- return exit_status();
-}
projects / ccan / blobdiff