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 #include "helprun-external-agent.h"
  15
  16 #define TEST_DBNAME "run-lockall.ntdb"
  17 #define KEY_STR "key"
  18
  19 #undef fcntl
  20
  21 int main(int argc, char *argv[])
  22 {
  23         struct agent *agent;
  24         int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
  25                         NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
  26         int i;
  27
  28         plan_tests(13 * sizeof(flags)/sizeof(flags[0]) + 1);
  29         agent = prepare_external_agent();
  30         if (!agent)
  31                 err(1, "preparing agent");
  32
  33         for (i = 0; i < sizeof(flags)/sizeof(flags[0]); i++) {
  34                 enum agent_return ret;
  35                 struct ntdb_context *ntdb;
  36
  37                 ntdb = ntdb_open(TEST_DBNAME, flags[i]|MAYBE_NOSYNC,
  38                                  O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  39                 ok1(ntdb);
  40
  41                 ret = external_agent_operation(agent, OPEN, TEST_DBNAME);
  42                 ok1(ret == SUCCESS);
  43
  44                 ok1(ntdb_lockall(ntdb) == NTDB_SUCCESS);
  45                 ok1(external_agent_operation(agent, STORE, KEY_STR "=" KEY_STR)
  46                     == WOULD_HAVE_BLOCKED);
  47                 ok1(external_agent_operation(agent, FETCH, KEY_STR "=" KEY_STR)
  48                     == WOULD_HAVE_BLOCKED);
  49                 /* Test nesting. */
  50                 ok1(ntdb_lockall(ntdb) == NTDB_SUCCESS);
  51                 ntdb_unlockall(ntdb);
  52                 ntdb_unlockall(ntdb);
  53
  54                 ok1(external_agent_operation(agent, STORE, KEY_STR "=" KEY_STR)
  55                     == SUCCESS);
  56
  57                 ok1(ntdb_lockall_read(ntdb) == NTDB_SUCCESS);
  58                 ok1(external_agent_operation(agent, STORE, KEY_STR "=" KEY_STR)
  59                     == WOULD_HAVE_BLOCKED);
  60                 ok1(external_agent_operation(agent, FETCH, KEY_STR "=" KEY_STR)
  61                     == SUCCESS);
  62                 ok1(ntdb_lockall_read(ntdb) == NTDB_SUCCESS);
  63                 ntdb_unlockall_read(ntdb);
  64                 ntdb_unlockall_read(ntdb);
  65
  66                 ok1(external_agent_operation(agent, STORE, KEY_STR "=" KEY_STR)
  67                     == SUCCESS);
  68                 ok1(external_agent_operation(agent, CLOSE, NULL) == SUCCESS);
  69                 ntdb_close(ntdb);
  70         }
  71
  72         free_external_agent(agent);
  73         ok1(tap_log_messages == 0);
  74         return exit_status();
  75 }