git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-lockall.c

   1 #include "config.h"
   2 #include <unistd.h>
   3 #include "lock-tracking.h"
   4
   5 #define fcntl fcntl_with_lockcheck
   6
   7 #include <ccan/tdb2/tdb.c>
   8 #include <ccan/tdb2/open.c>
   9 #include <ccan/tdb2/free.c>
  10 #include <ccan/tdb2/lock.c>
  11 #include <ccan/tdb2/io.c>
  12 #include <ccan/tdb2/hash.c>
  13 #include <ccan/tdb2/check.c>
  14 #include <ccan/tdb2/transaction.c>
  15 #include <ccan/tap/tap.h>
  16 #include <stdlib.h>
  17 #include <stdbool.h>
  18 #include <stdarg.h>
  19 #include <err.h>
  20 #include "external-agent.h"
  21 #include "logging.h"
  22
  23 #define TEST_DBNAME "run-lockall.tdb"
  24
  25 #undef fcntl
  26
  27 int main(int argc, char *argv[])
  28 {
  29         struct agent *agent;
  30         const int flags[] = { TDB_DEFAULT,
  31                               TDB_NOMMAP,
  32                               TDB_CONVERT,
  33                               TDB_CONVERT | TDB_NOMMAP };
  34         int i;
  35
  36         plan_tests(13 * sizeof(flags)/sizeof(flags[0]) + 1);
  37         agent = prepare_external_agent();
  38         if (!agent)
  39                 err(1, "preparing agent");
  40
  41         for (i = 0; i < sizeof(flags)/sizeof(flags[0]); i++) {
  42                 enum agent_return ret;
  43                 struct tdb_context *tdb;
  44
  45                 tdb = tdb_open(TEST_DBNAME, flags[i],
  46                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  47                 ok1(tdb);
  48
  49                 ret = external_agent_operation(agent, OPEN, TEST_DBNAME);
  50                 ok1(ret == SUCCESS);
  51
  52                 ok1(tdb_lockall(tdb) == TDB_SUCCESS);
  53                 ok1(external_agent_operation(agent, STORE, "key")
  54                     == WOULD_HAVE_BLOCKED);
  55                 ok1(external_agent_operation(agent, FETCH, "key")
  56                     == WOULD_HAVE_BLOCKED);
  57                 /* Test nesting. */
  58                 ok1(tdb_lockall(tdb) == TDB_SUCCESS);
  59                 tdb_unlockall(tdb);
  60                 tdb_unlockall(tdb);
  61
  62                 ok1(external_agent_operation(agent, STORE, "key") == SUCCESS);
  63
  64                 ok1(tdb_lockall_read(tdb) == TDB_SUCCESS);
  65                 ok1(external_agent_operation(agent, STORE, "key")
  66                     == WOULD_HAVE_BLOCKED);
  67                 ok1(external_agent_operation(agent, FETCH, "key") == SUCCESS);
  68                 ok1(tdb_lockall_read(tdb) == TDB_SUCCESS);
  69                 tdb_unlockall_read(tdb);
  70                 tdb_unlockall_read(tdb);
  71
  72                 ok1(external_agent_operation(agent, STORE, "key") == SUCCESS);
  73                 ok1(external_agent_operation(agent, CLOSE, NULL) == SUCCESS);
  74                 tdb_close(tdb);
  75         }
  76
  77         free_external_agent(agent);
  78         ok1(tap_log_messages == 0);
  79         return exit_status();
  80 }