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

   1 #include <ccan/tdb2/private.h>
   2 #include <unistd.h>
   3 #include "lock-tracking.h"
   4
   5 #define fcntl fcntl_with_lockcheck
   6 #include "tdb2-source.h"
   7
   8 #include <ccan/tap/tap.h>
   9 #include <stdlib.h>
  10 #include <stdbool.h>
  11 #include <stdarg.h>
  12 #include <err.h>
  13 #include "external-agent.h"
  14 #include "logging.h"
  15
  16 #define TEST_DBNAME "run-lockall.tdb"
  17
  18 #undef fcntl
  19
  20 int main(int argc, char *argv[])
  21 {
  22         struct agent *agent;
  23         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  24                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT,
  25                         TDB_VERSION1, TDB_NOMMAP|TDB_VERSION1,
  26                         TDB_CONVERT|TDB_VERSION1,
  27                         TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
  28         int i;
  29
  30         plan_tests(13 * sizeof(flags)/sizeof(flags[0]) + 1);
  31         agent = prepare_external_agent();
  32         if (!agent)
  33                 err(1, "preparing agent");
  34
  35         for (i = 0; i < sizeof(flags)/sizeof(flags[0]); i++) {
  36                 enum agent_return ret;
  37                 struct tdb_context *tdb;
  38
  39                 tdb = tdb_open(TEST_DBNAME, flags[i],
  40                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  41                 ok1(tdb);
  42
  43                 ret = external_agent_operation(agent, OPEN, TEST_DBNAME);
  44                 ok1(ret == SUCCESS);
  45
  46                 ok1(tdb_lockall(tdb) == TDB_SUCCESS);
  47                 ok1(external_agent_operation(agent, STORE, "key")
  48                     == WOULD_HAVE_BLOCKED);
  49                 ok1(external_agent_operation(agent, FETCH, "key")
  50                     == WOULD_HAVE_BLOCKED);
  51                 /* Test nesting. */
  52                 ok1(tdb_lockall(tdb) == TDB_SUCCESS);
  53                 tdb_unlockall(tdb);
  54                 tdb_unlockall(tdb);
  55
  56                 ok1(external_agent_operation(agent, STORE, "key") == SUCCESS);
  57
  58                 ok1(tdb_lockall_read(tdb) == TDB_SUCCESS);
  59                 ok1(external_agent_operation(agent, STORE, "key")
  60                     == WOULD_HAVE_BLOCKED);
  61                 ok1(external_agent_operation(agent, FETCH, "key") == SUCCESS);
  62                 ok1(tdb_lockall_read(tdb) == TDB_SUCCESS);
  63                 tdb_unlockall_read(tdb);
  64                 tdb_unlockall_read(tdb);
  65
  66                 ok1(external_agent_operation(agent, STORE, "key") == SUCCESS);
  67                 ok1(external_agent_operation(agent, CLOSE, NULL) == SUCCESS);
  68                 tdb_close(tdb);
  69         }
  70
  71         free_external_agent(agent);
  72         ok1(tap_log_messages == 0);
  73         return exit_status();
  74 }