LCOV - code coverage report
Current view: top level - lib/tdb/test - run-mutex-openflags2.c (source / functions) Hit Total Coverage
Test: coverage report for master 2f515e9b Lines: 42 51 82.4 %
Date: 2024-04-21 15:09:00 Functions: 3 4 75.0 %

          Line data    Source code
       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 <poll.h>
      18             : #include <stdarg.h>
      19             : 
      20             : static TDB_DATA key, data;
      21             : 
      22           4 : static void log_void(struct tdb_context *tdb, enum tdb_debug_level level,
      23             :                      const char *fmt, ...)
      24             : {
      25           4 : }
      26             : 
      27           0 : static void log_fn(struct tdb_context *tdb, enum tdb_debug_level level,
      28             :                    const char *fmt, ...)
      29             : {
      30             :         va_list ap;
      31           0 :         va_start(ap, fmt);
      32           0 :         vfprintf(stderr, fmt, ap);
      33           0 :         va_end(ap);
      34           0 : }
      35             : 
      36           1 : static int do_child(int fd)
      37             : {
      38             :         struct tdb_context *tdb;
      39             :         unsigned int log_count;
      40           1 :         struct tdb_logging_context log_ctx = { log_fn, &log_count };
      41           1 :         struct tdb_logging_context nolog_ctx = { log_void, NULL };
      42             :         char c;
      43             : 
      44           1 :         read(fd, &c, 1);
      45             : 
      46           1 :         tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
      47             :                           TDB_DEFAULT,
      48             :                           O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
      49           1 :         ok((tdb == NULL) && (errno == EINVAL), "TDB_DEFAULT without "
      50             :            "TDB_MUTEX_LOCKING should fail with EINVAL - %d", errno);
      51             : 
      52           1 :         tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
      53             :                           TDB_CLEAR_IF_FIRST,
      54             :                           O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
      55           1 :         ok((tdb == NULL) && (errno == EINVAL), "TDB_CLEAR_IF_FIRST without "
      56             :            "TDB_MUTEX_LOCKING should fail with EINVAL - %d", errno);
      57             : 
      58           1 :         tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
      59             :                           TDB_CLEAR_IF_FIRST |
      60             :                           TDB_MUTEX_LOCKING |
      61             :                           TDB_INTERNAL,
      62             :                           O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
      63           1 :         ok((tdb == NULL) && (errno == EINVAL), "TDB_MUTEX_LOCKING with "
      64             :            "TDB_INTERNAL should fail with EINVAL - %d", errno);
      65             : 
      66           1 :         tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
      67             :                           TDB_CLEAR_IF_FIRST |
      68             :                           TDB_MUTEX_LOCKING |
      69             :                           TDB_NOMMAP,
      70             :                           O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
      71           1 :         ok((tdb == NULL) && (errno == EINVAL), "TDB_MUTEX_LOCKING with "
      72             :            "TDB_NOMMAP should fail with EINVAL - %d", errno);
      73             : 
      74           1 :         tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
      75             :                           TDB_CLEAR_IF_FIRST |
      76             :                           TDB_MUTEX_LOCKING,
      77             :                           O_RDONLY, 0755, &nolog_ctx, NULL);
      78           1 :         ok((tdb != NULL), "TDB_MUTEX_LOCKING with "
      79             :            "O_RDONLY should work - %d", errno);
      80           1 :         tdb_close(tdb);
      81             : 
      82           1 :         tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
      83             :                           TDB_CLEAR_IF_FIRST |
      84             :                           TDB_MUTEX_LOCKING,
      85             :                           O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
      86           1 :         ok((tdb != NULL), "TDB_MUTEX_LOCKING with TDB_CLEAR_IF_FIRST"
      87             :            "TDB_NOMMAP should work - %d", errno);
      88             : 
      89           1 :         return 0;
      90             : }
      91             : 
      92             : /* The code should barf on TDBs created with rwlocks. */
      93           1 : int main(int argc, char *argv[])
      94             : {
      95             :         struct tdb_context *tdb;
      96             :         unsigned int log_count;
      97           1 :         struct tdb_logging_context log_ctx = { log_fn, &log_count };
      98           1 :         struct tdb_logging_context nolog_ctx = { log_void, NULL };
      99             :         int ret, status;
     100             :         pid_t child, wait_ret;
     101             :         int pipefd[2];
     102           1 :         char c = 0;
     103             :         bool runtime_support;
     104             : 
     105           1 :         runtime_support = tdb_runtime_check_for_robust_mutexes();
     106             : 
     107           1 :         ret = pipe(pipefd);
     108           1 :         ok1(ret == 0);
     109             : 
     110           1 :         key.dsize = strlen("hi");
     111           1 :         key.dptr = discard_const_p(uint8_t, "hi");
     112           1 :         data.dsize = strlen("world");
     113           1 :         data.dptr = discard_const_p(uint8_t, "world");
     114             : 
     115           1 :         if (!runtime_support) {
     116           0 :                 tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
     117             :                                   TDB_CLEAR_IF_FIRST|
     118             :                                   TDB_MUTEX_LOCKING,
     119             :                                   O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
     120           0 :                 ok((tdb == NULL) && (errno == ENOSYS), "TDB_MUTEX_LOCKING without "
     121             :                    "runtime support should fail with ENOSYS - %d", errno);
     122             : 
     123           0 :                 skip(1, "No robust mutex support");
     124           0 :                 return exit_status();
     125             :         }
     126             : 
     127           1 :         child = fork();
     128           2 :         if (child == 0) {
     129           1 :                 return do_child(pipefd[0]);
     130             :         }
     131             : 
     132           1 :         tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
     133             :                           TDB_CLEAR_IF_FIRST|
     134             :                           TDB_MUTEX_LOCKING,
     135             :                           O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
     136           1 :         ok((tdb != NULL), "tdb_open_ex with mutexes should succeed");
     137             : 
     138           1 :         write(pipefd[1], &c, 1);
     139             : 
     140           1 :         wait_ret = wait(&status);
     141           1 :         ok((wait_ret == child) && (status == 0),
     142             :            "child should have exited correctly");
     143             : 
     144           1 :         diag("done");
     145           1 :         return exit_status();
     146             : }

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