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

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