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-rw-r--r--lib/tdb/test/run-mutex-openflags2.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/lib/tdb/test/run-mutex-openflags2.c b/lib/tdb/test/run-mutex-openflags2.c
new file mode 100644
index 0000000..89603e6
--- /dev/null
+++ b/lib/tdb/test/run-mutex-openflags2.c
@@ -0,0 +1,146 @@
+#include "../common/tdb_private.h"
+#include "../common/io.c"
+#include "../common/tdb.c"
+#include "../common/lock.c"
+#include "../common/freelist.c"
+#include "../common/traverse.c"
+#include "../common/transaction.c"
+#include "../common/error.c"
+#include "../common/open.c"
+#include "../common/check.c"
+#include "../common/hash.c"
+#include "../common/mutex.c"
+#include "tap-interface.h"
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <poll.h>
+#include <stdarg.h>
+
+static TDB_DATA key, data;
+
+static void log_void(struct tdb_context *tdb, enum tdb_debug_level level,
+ const char *fmt, ...)
+{
+}
+
+static void log_fn(struct tdb_context *tdb, enum tdb_debug_level level,
+ const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+}
+
+static int do_child(int fd)
+{
+ struct tdb_context *tdb;
+ unsigned int log_count;
+ struct tdb_logging_context log_ctx = { log_fn, &log_count };
+ struct tdb_logging_context nolog_ctx = { log_void, NULL };
+ char c;
+
+ read(fd, &c, 1);
+
+ tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
+ TDB_DEFAULT,
+ O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
+ ok((tdb == NULL) && (errno == EINVAL), "TDB_DEFAULT without "
+ "TDB_MUTEX_LOCKING should fail with EINVAL - %d", errno);
+
+ tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
+ TDB_CLEAR_IF_FIRST,
+ O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
+ ok((tdb == NULL) && (errno == EINVAL), "TDB_CLEAR_IF_FIRST without "
+ "TDB_MUTEX_LOCKING should fail with EINVAL - %d", errno);
+
+ tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
+ TDB_CLEAR_IF_FIRST |
+ TDB_MUTEX_LOCKING |
+ TDB_INTERNAL,
+ O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
+ ok((tdb == NULL) && (errno == EINVAL), "TDB_MUTEX_LOCKING with "
+ "TDB_INTERNAL should fail with EINVAL - %d", errno);
+
+ tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
+ TDB_CLEAR_IF_FIRST |
+ TDB_MUTEX_LOCKING |
+ TDB_NOMMAP,
+ O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
+ ok((tdb == NULL) && (errno == EINVAL), "TDB_MUTEX_LOCKING with "
+ "TDB_NOMMAP should fail with EINVAL - %d", errno);
+
+ tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
+ TDB_CLEAR_IF_FIRST |
+ TDB_MUTEX_LOCKING,
+ O_RDONLY, 0755, &nolog_ctx, NULL);
+ ok((tdb != NULL), "TDB_MUTEX_LOCKING with "
+ "O_RDONLY should work - %d", errno);
+ tdb_close(tdb);
+
+ tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
+ TDB_CLEAR_IF_FIRST |
+ TDB_MUTEX_LOCKING,
+ O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+ ok((tdb != NULL), "TDB_MUTEX_LOCKING with TDB_CLEAR_IF_FIRST"
+ "TDB_NOMMAP should work - %d", errno);
+
+ return 0;
+}
+
+/* The code should barf on TDBs created with rwlocks. */
+int main(int argc, char *argv[])
+{
+ struct tdb_context *tdb;
+ unsigned int log_count;
+ struct tdb_logging_context log_ctx = { log_fn, &log_count };
+ struct tdb_logging_context nolog_ctx = { log_void, NULL };
+ int ret, status;
+ pid_t child, wait_ret;
+ int pipefd[2];
+ char c = 0;
+ bool runtime_support;
+
+ runtime_support = tdb_runtime_check_for_robust_mutexes();
+
+ ret = pipe(pipefd);
+ ok1(ret == 0);
+
+ key.dsize = strlen("hi");
+ key.dptr = discard_const_p(uint8_t, "hi");
+ data.dsize = strlen("world");
+ data.dptr = discard_const_p(uint8_t, "world");
+
+ if (!runtime_support) {
+ tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
+ TDB_CLEAR_IF_FIRST|
+ TDB_MUTEX_LOCKING,
+ O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
+ ok((tdb == NULL) && (errno == ENOSYS), "TDB_MUTEX_LOCKING without "
+ "runtime support should fail with ENOSYS - %d", errno);
+
+ skip(1, "No robust mutex support");
+ return exit_status();
+ }
+
+ child = fork();
+ if (child == 0) {
+ return do_child(pipefd[0]);
+ }
+
+ tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
+ TDB_CLEAR_IF_FIRST|
+ TDB_MUTEX_LOCKING,
+ O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+ ok((tdb != NULL), "tdb_open_ex with mutexes should succeed");
+
+ write(pipefd[1], &c, 1);
+
+ wait_ret = wait(&status);
+ ok((wait_ret == child) && (status == 0),
+ "child should have exited correctly");
+
+ diag("done");
+ return exit_status();
+}