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         const int flags[] = { TDB_DEFAULT,
  24                               TDB_NOMMAP,
  25                               TDB_CONVERT,
  26                               TDB_CONVERT | TDB_NOMMAP };
  27         int i;
  28
  29         plan_tests(13 * sizeof(flags)/sizeof(flags[0]) + 1);
  30         agent = prepare_external_agent();
  31         if (!agent)
  32                 err(1, "preparing agent");
  33
  34         for (i = 0; i < sizeof(flags)/sizeof(flags[0]); i++) {
  35                 enum agent_return ret;
  36                 struct tdb_context *tdb;
  37
  38                 tdb = tdb_open(TEST_DBNAME, flags[i],
  39                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  40                 ok1(tdb);
  41
  42                 ret = external_agent_operation(agent, OPEN, TEST_DBNAME);
  43                 ok1(ret == SUCCESS);
  44
  45                 ok1(tdb_lockall(tdb) == TDB_SUCCESS);
  46                 ok1(external_agent_operation(agent, STORE, "key")
  47                     == WOULD_HAVE_BLOCKED);
  48                 ok1(external_agent_operation(agent, FETCH, "key")
  49                     == WOULD_HAVE_BLOCKED);
  50                 /* Test nesting. */
  51                 ok1(tdb_lockall(tdb) == TDB_SUCCESS);
  52                 tdb_unlockall(tdb);
  53                 tdb_unlockall(tdb);
  54
  55                 ok1(external_agent_operation(agent, STORE, "key") == SUCCESS);
  56
  57                 ok1(tdb_lockall_read(tdb) == TDB_SUCCESS);
  58                 ok1(external_agent_operation(agent, STORE, "key")
  59                     == WOULD_HAVE_BLOCKED);
  60                 ok1(external_agent_operation(agent, FETCH, "key") == SUCCESS);
  61                 ok1(tdb_lockall_read(tdb) == TDB_SUCCESS);
  62                 tdb_unlockall_read(tdb);
  63                 tdb_unlockall_read(tdb);
  64
  65                 ok1(external_agent_operation(agent, STORE, "key") == SUCCESS);
  66                 ok1(external_agent_operation(agent, CLOSE, NULL) == SUCCESS);
  67                 tdb_close(tdb);
  68         }
  69
  70         free_external_agent(agent);
  71         ok1(tap_log_messages == 0);
  72         return exit_status();
  73 }