lib/tdb/test/run-mutex-allrecord-bench.c

   1 #include "../common/tdb_private.h"
   2 #include "../common/io.c"
   3 #include "../common/tdb.c"
   4 #include "../common/lock.c"
   5 #include "../common/freelist.c"
   6 #include "../common/traverse.c"
   7 #include "../common/transaction.c"
   8 #include "../common/error.c"
   9 #include "../common/open.c"
  10 #include "../common/check.c"
  11 #include "../common/hash.c"
  12 #include "../common/mutex.c"
  13 #include "tap-interface.h"
  14 #include <stdlib.h>
  15 #include <sys/types.h>
  16 #include <sys/wait.h>
  17 #include <stdarg.h>
  18
  19 static TDB_DATA key, data;
  20
  21 static void log_fn(struct tdb_context *tdb, enum tdb_debug_level level,
  22                    const char *fmt, ...)
  23 {
  24         va_list ap;
  25         va_start(ap, fmt);
  26         vfprintf(stderr, fmt, ap);
  27         va_end(ap);
  28 }
  29
  30 static double timeval_elapsed2(const struct timeval *tv1, const struct timeval *tv2)
  31 {
  32         return (tv2->tv_sec - tv1->tv_sec) +
  33                (tv2->tv_usec - tv1->tv_usec)*1.0e-6;
  34 }
  35
  36 static double timeval_elapsed(const struct timeval *tv)
  37 {
  38         struct timeval tv2;
  39         gettimeofday(&tv2, NULL);
  40         return timeval_elapsed2(tv, &tv2);
  41 }
  42
  43 /* The code should barf on TDBs created with rwlocks. */
  44 int main(int argc, char *argv[])
  45 {
  46         struct tdb_context *tdb;
  47         unsigned int log_count;
  48         struct tdb_logging_context log_ctx = { log_fn, &log_count };
  49         int ret;
  50         struct timeval start;
  51         double elapsed;
  52         bool runtime_support;
  53
  54         runtime_support = tdb_runtime_check_for_robust_mutexes();
  55
  56         if (!runtime_support) {
  57                 skip(1, "No robust mutex support");
  58                 return exit_status();
  59         }
  60
  61         key.dsize = strlen("hi");
  62         key.dptr = discard_const_p(uint8_t, "hi");
  63         data.dsize = strlen("world");
  64         data.dptr = discard_const_p(uint8_t, "world");
  65
  66         tdb = tdb_open_ex("mutex-allrecord-bench.tdb", 1000000,
  67                           TDB_INCOMPATIBLE_HASH|
  68                           TDB_MUTEX_LOCKING|
  69                           TDB_CLEAR_IF_FIRST,
  70                           O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
  71         ok(tdb, "tdb_open_ex should succeed");
  72
  73         gettimeofday(&start, NULL);
  74         ret = tdb_allrecord_lock(tdb, F_WRLCK, TDB_LOCK_WAIT, false);
  75         elapsed = timeval_elapsed(&start);
  76
  77         ok(ret == 0, "tdb_allrecord_lock should succeed");
  78
  79         diag("allrecord_lock took %f seconds", elapsed);
  80
  81         return exit_status();
  82 }