tdb/test: add mutex related tests
authorVolker Lendecke <vl@samba.org>
Thu, 21 Feb 2013 15:34:32 +0000 (16:34 +0100)
committerJeremy Allison <jra@samba.org>
Thu, 22 May 2014 19:05:15 +0000 (21:05 +0200)
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Pair-Programmed-With: Michael Adam <obnox@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
lib/tdb/test/run-mutex-allrecord-bench.c [new file with mode: 0644]
lib/tdb/test/run-mutex-allrecord-block.c [new file with mode: 0644]
lib/tdb/test/run-mutex-allrecord-trylock.c [new file with mode: 0644]
lib/tdb/test/run-mutex-die.c [new file with mode: 0644]
lib/tdb/test/run-mutex-openflags2.c [new file with mode: 0644]
lib/tdb/test/run-mutex-trylock.c [new file with mode: 0644]
lib/tdb/test/run-mutex1.c [new file with mode: 0644]
lib/tdb/wscript

diff --git a/lib/tdb/test/run-mutex-allrecord-bench.c b/lib/tdb/test/run-mutex-allrecord-bench.c
new file mode 100644 (file)
index 0000000..b81e597
--- /dev/null
@@ -0,0 +1,82 @@
+#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 <stdarg.h>
+
+static TDB_DATA key, data;
+
+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 double timeval_elapsed2(const struct timeval *tv1, const struct timeval *tv2)
+{
+       return (tv2->tv_sec - tv1->tv_sec) +
+              (tv2->tv_usec - tv1->tv_usec)*1.0e-6;
+}
+
+static double timeval_elapsed(const struct timeval *tv)
+{
+       struct timeval tv2;
+       gettimeofday(&tv2, NULL);
+       return timeval_elapsed2(tv, &tv2);
+}
+
+/* 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 };
+       int ret;
+       struct timeval start;
+       double elapsed;
+       bool runtime_support;
+
+       runtime_support = tdb_runtime_check_for_robust_mutexes();
+
+       if (!runtime_support) {
+               skip(1, "No robust mutex support");
+               return exit_status();
+       }
+
+       key.dsize = strlen("hi");
+       key.dptr = discard_const_p(uint8_t, "hi");
+       data.dsize = strlen("world");
+       data.dptr = discard_const_p(uint8_t, "world");
+
+       tdb = tdb_open_ex("mutex-allrecord-bench.tdb", 1000000,
+                         TDB_INCOMPATIBLE_HASH|
+                         TDB_MUTEX_LOCKING|
+                         TDB_CLEAR_IF_FIRST,
+                         O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+       ok(tdb, "tdb_open_ex should succeed");
+
+       gettimeofday(&start, NULL);
+       ret = tdb_allrecord_lock(tdb, F_WRLCK, TDB_LOCK_WAIT, false);
+       elapsed = timeval_elapsed(&start);
+
+       ok(ret == 0, "tdb_allrecord_lock should succeed");
+
+       diag("allrecord_lock took %f seconds", elapsed);
+
+       return exit_status();
+}
diff --git a/lib/tdb/test/run-mutex-allrecord-block.c b/lib/tdb/test/run-mutex-allrecord-block.c
new file mode 100644 (file)
index 0000000..fcd3b4f
--- /dev/null
@@ -0,0 +1,120 @@
+#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 <stdarg.h>
+
+static TDB_DATA key, data;
+
+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 tdb_flags, int to, int from)
+{
+       struct tdb_context *tdb;
+       unsigned int log_count;
+       struct tdb_logging_context log_ctx = { log_fn, &log_count };
+       int ret;
+       char c = 0;
+
+       tdb = tdb_open_ex("mutex-allrecord-block.tdb", 3, tdb_flags,
+                         O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+       ok(tdb, "tdb_open_ex should succeed");
+
+       ret = tdb_allrecord_lock(tdb, F_WRLCK, TDB_LOCK_WAIT, false);
+       ok(ret == 0, "tdb_allrecord_lock should succeed");
+
+       write(to, &c, sizeof(c));
+
+       read(from, &c, sizeof(c));
+
+       ret = tdb_allrecord_unlock(tdb, F_WRLCK, false);
+       ok(ret == 0, "tdb_allrecord_unlock should succeed");
+
+       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 };
+       int ret, status;
+       pid_t child, wait_ret;
+       int fromchild[2];
+       int tochild[2];
+       char c;
+       int tdb_flags;
+       bool runtime_support;
+
+       runtime_support = tdb_runtime_check_for_robust_mutexes();
+
+       if (!runtime_support) {
+               skip(1, "No robust mutex support");
+               return exit_status();
+       }
+
+       key.dsize = strlen("hi");
+       key.dptr = discard_const_p(uint8_t, "hi");
+       data.dsize = strlen("world");
+       data.dptr = discard_const_p(uint8_t, "world");
+
+       pipe(fromchild);
+       pipe(tochild);
+
+       tdb_flags = TDB_INCOMPATIBLE_HASH|
+               TDB_MUTEX_LOCKING|
+               TDB_CLEAR_IF_FIRST;
+
+       child = fork();
+       if (child == 0) {
+               close(fromchild[0]);
+               close(tochild[1]);
+               return do_child(tdb_flags, fromchild[1], tochild[0]);
+       }
+       close(fromchild[1]);
+       close(tochild[0]);
+
+       read(fromchild[0], &c, sizeof(c));
+
+       tdb = tdb_open_ex("mutex-allrecord-block.tdb", 0,
+                         tdb_flags, O_RDWR|O_CREAT, 0755,
+                         &log_ctx, NULL);
+       ok(tdb, "tdb_open_ex should succeed");
+
+       ret = tdb_chainlock_nonblock(tdb, key);
+       ok(ret == -1, "tdb_chainlock_nonblock should not succeed");
+
+       write(tochild[1], &c, sizeof(c));
+
+       ret = tdb_chainlock(tdb, key);
+       ok(ret == 0, "tdb_chainlock should not succeed");
+
+       ret = tdb_chainunlock(tdb, key);
+       ok(ret == 0, "tdb_chainunlock should succeed");
+
+       wait_ret = wait(&status);
+       ok(wait_ret == child, "child should have exited correctly");
+
+       diag("done");
+       return exit_status();
+}
diff --git a/lib/tdb/test/run-mutex-allrecord-trylock.c b/lib/tdb/test/run-mutex-allrecord-trylock.c
new file mode 100644 (file)
index 0000000..4b683db
--- /dev/null
@@ -0,0 +1,113 @@
+#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 <stdarg.h>
+
+static TDB_DATA key, data;
+
+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 tdb_flags, int to, int from)
+{
+       struct tdb_context *tdb;
+       unsigned int log_count;
+       struct tdb_logging_context log_ctx = { log_fn, &log_count };
+       int ret;
+       char c = 0;
+
+       tdb = tdb_open_ex("mutex-allrecord-trylock.tdb", 3, tdb_flags,
+                         O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+       ok(tdb, "tdb_open_ex should succeed");
+
+       ret = tdb_chainlock(tdb, key);
+       ok(ret == 0, "tdb_chainlock should succeed");
+
+       write(to, &c, sizeof(c));
+
+       read(from, &c, sizeof(c));
+
+       ret = tdb_chainunlock(tdb, key);
+       ok(ret == 0, "tdb_chainunlock should succeed");
+
+       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 };
+       int ret, status;
+       pid_t child, wait_ret;
+       int fromchild[2];
+       int tochild[2];
+       char c;
+       int tdb_flags;
+       bool runtime_support;
+
+       runtime_support = tdb_runtime_check_for_robust_mutexes();
+
+       if (!runtime_support) {
+               skip(1, "No robust mutex support");
+               return exit_status();
+       }
+
+       key.dsize = strlen("hi");
+       key.dptr = discard_const_p(uint8_t, "hi");
+       data.dsize = strlen("world");
+       data.dptr = discard_const_p(uint8_t, "world");
+
+       pipe(fromchild);
+       pipe(tochild);
+
+       tdb_flags = TDB_INCOMPATIBLE_HASH|
+               TDB_MUTEX_LOCKING|
+               TDB_CLEAR_IF_FIRST;
+
+       child = fork();
+       if (child == 0) {
+               close(fromchild[0]);
+               close(tochild[1]);
+               return do_child(tdb_flags, fromchild[1], tochild[0]);
+       }
+       close(fromchild[1]);
+       close(tochild[0]);
+
+       read(fromchild[0], &c, sizeof(c));
+
+       tdb = tdb_open_ex("mutex-allrecord-trylock.tdb", 0, tdb_flags,
+                         O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+       ok(tdb, "tdb_open_ex should succeed");
+
+       ret = tdb_allrecord_lock(tdb, F_WRLCK, TDB_LOCK_NOWAIT, false);
+       ok(ret == -1, "tdb_allrecord_lock (nowait) should not succeed");
+
+       write(tochild[1], &c, sizeof(c));
+
+       wait_ret = wait(&status);
+       ok(wait_ret == child, "child should have exited correctly");
+
+       diag("done");
+       return exit_status();
+}
diff --git a/lib/tdb/test/run-mutex-die.c b/lib/tdb/test/run-mutex-die.c
new file mode 100644 (file)
index 0000000..4b8eac1
--- /dev/null
@@ -0,0 +1,269 @@
+#include "../common/tdb_private.h"
+#include "lock-tracking.h"
+static ssize_t pwrite_check(int fd, const void *buf, size_t count, off_t offset);
+static ssize_t write_check(int fd, const void *buf, size_t count);
+static int ftruncate_check(int fd, off_t length);
+
+#define pwrite pwrite_check
+#define write write_check
+#define fcntl fcntl_with_lockcheck
+#define ftruncate ftruncate_check
+
+#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 <stdbool.h>
+#include <stdarg.h>
+#include "external-agent.h"
+#include "logging.h"
+
+#undef write
+#undef pwrite
+#undef fcntl
+#undef ftruncate
+
+static int target, current;
+#define TEST_DBNAME "run-mutex-die.tdb"
+#define KEY_STRING "helloworld"
+
+static void maybe_die(int fd)
+{
+       if (target == 0) {
+               return;
+       }
+       current += 1;
+       if (current == target) {
+               _exit(1);
+       }
+}
+
+static ssize_t pwrite_check(int fd,
+                           const void *buf, size_t count, off_t offset)
+{
+       ssize_t ret;
+
+       maybe_die(fd);
+
+       ret = pwrite(fd, buf, count, offset);
+       if (ret != count)
+               return ret;
+
+       maybe_die(fd);
+       return ret;
+}
+
+static ssize_t write_check(int fd, const void *buf, size_t count)
+{
+       ssize_t ret;
+
+       maybe_die(fd);
+
+       ret = write(fd, buf, count);
+       if (ret != count)
+               return ret;
+
+       maybe_die(fd);
+       return ret;
+}
+
+static int ftruncate_check(int fd, off_t length)
+{
+       int ret;
+
+       maybe_die(fd);
+
+       ret = ftruncate(fd, length);
+
+       maybe_die(fd);
+       return ret;
+}
+
+static enum agent_return flakey_ops(struct agent *a)
+{
+       enum agent_return ret;
+
+       /*
+        * Run in the external agent child
+        */
+
+       ret = external_agent_operation(a, OPEN_WITH_CLEAR_IF_FIRST, TEST_DBNAME);
+       if (ret != SUCCESS) {
+               fprintf(stderr, "Agent failed to open: %s\n",
+                       agent_return_name(ret));
+               return ret;
+       }
+       ret = external_agent_operation(a, UNMAP, "");
+       if (ret != SUCCESS) {
+               fprintf(stderr, "Agent failed to unmap: %s\n",
+                       agent_return_name(ret));
+               return ret;
+       }
+       ret = external_agent_operation(a, STORE, "xyz");
+       if (ret != SUCCESS) {
+               fprintf(stderr, "Agent failed to store: %s\n",
+                       agent_return_name(ret));
+               return ret;
+       }
+       ret = external_agent_operation(a, STORE, KEY_STRING);
+       if (ret != SUCCESS) {
+               fprintf(stderr, "Agent failed store: %s\n",
+                       agent_return_name(ret));
+               return ret;
+       }
+       ret = external_agent_operation(a, FETCH, KEY_STRING);
+       if (ret != SUCCESS) {
+               fprintf(stderr, "Agent failed find key: %s\n",
+                       agent_return_name(ret));
+               return ret;
+       }
+       ret = external_agent_operation(a, PING, "");
+       if (ret != SUCCESS) {
+               fprintf(stderr, "Agent failed ping: %s\n",
+                       agent_return_name(ret));
+               return ret;
+       }
+       return ret;
+}
+
+static bool prep_db(void) {
+       struct tdb_context *tdb;
+       TDB_DATA key;
+       TDB_DATA data;
+
+       key.dptr = discard_const_p(uint8_t, KEY_STRING);
+       key.dsize = strlen((char *)key.dptr);
+       data.dptr = discard_const_p(uint8_t, "foo");
+       data.dsize = strlen((char *)data.dptr);
+
+       unlink(TEST_DBNAME);
+
+       tdb = tdb_open_ex(
+               TEST_DBNAME, 2,
+               TDB_INCOMPATIBLE_HASH|TDB_MUTEX_LOCKING|TDB_CLEAR_IF_FIRST,
+               O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
+       if (tdb == NULL) {
+               return false;
+       }
+
+       if (tdb_store(tdb, key, data, TDB_INSERT) != 0) {
+               return false;
+       }
+
+       tdb_close(tdb);
+       tdb = NULL;
+
+       forget_locking();
+
+       return true;
+}
+
+static bool test_db(void) {
+       struct tdb_context *tdb;
+       int ret;
+
+       tdb = tdb_open_ex(
+               TEST_DBNAME, 1024, TDB_INCOMPATIBLE_HASH,
+               O_RDWR, 0600, &taplogctx, NULL);
+
+       if (tdb == NULL) {
+               perror("tdb_open_ex failed");
+               return false;
+       }
+
+       ret = tdb_traverse(tdb, NULL, NULL);
+       if (ret == -1) {
+               perror("traverse failed");
+               goto fail;
+       }
+
+       tdb_close(tdb);
+
+       forget_locking();
+
+       return true;
+
+fail:
+       tdb_close(tdb);
+       return false;
+}
+
+static bool test_one(void)
+{
+       enum agent_return ret;
+
+       ret = AGENT_DIED;
+       target = 19;
+
+       while (ret != SUCCESS) {
+               struct agent *agent;
+
+               {
+                       int child_target = target;
+                       bool pret;
+                       target = 0;
+                       pret = prep_db();
+                       ok1(pret);
+                       target = child_target;
+               }
+
+               agent = prepare_external_agent();
+
+               ret = flakey_ops(agent);
+
+               diag("Agent (target=%d) returns %s",
+                    target, agent_return_name(ret));
+
+               if (ret == SUCCESS) {
+                       ok((target > 19), "At least one AGENT_DIED expected");
+               } else {
+                       ok(ret == AGENT_DIED, "AGENT_DIED expected");
+               }
+
+               shutdown_agent(agent);
+
+               {
+                       int child_target = target;
+                       bool tret;
+                       target = 0;
+                       tret = test_db();
+                       ok1(tret);
+                       target = child_target;
+               }
+
+               target += 1;
+       }
+
+       return true;
+}
+
+int main(int argc, char *argv[])
+{
+       bool ret;
+       bool runtime_support;
+
+       runtime_support = tdb_runtime_check_for_robust_mutexes();
+
+       if (!runtime_support) {
+               skip(1, "No robust mutex support");
+               return exit_status();
+       }
+
+       plan_tests(12);
+       unlock_callback = maybe_die;
+
+       ret = test_one();
+       ok1(ret);
+
+       diag("done");
+       return exit_status();
+}
diff --git a/lib/tdb/test/run-mutex-openflags2.c b/lib/tdb/test/run-mutex-openflags2.c
new file mode 100644 (file)
index 0000000..57ac7e3
--- /dev/null
@@ -0,0 +1,152 @@
+#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) && (errno == EINVAL), "TDB_MUTEX_LOCKING with "
+          "O_RDONLY should fail with EINVAL - %d", errno);
+
+       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");
+
+       tdb = tdb_open_ex("mutex-openflags2.tdb", 0,
+                         TDB_INCOMPATIBLE_HASH|
+                         TDB_MUTEX_LOCKING,
+                         O_RDWR|O_CREAT, 0755, &nolog_ctx, NULL);
+       ok((tdb == NULL) && (errno == EINVAL), "TDB_MUTEX_LOCKING without "
+          "TDB_CLEAR_IF_FIRST should fail with EINVAL - %d", errno);
+
+       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();
+}
diff --git a/lib/tdb/test/run-mutex-trylock.c b/lib/tdb/test/run-mutex-trylock.c
new file mode 100644 (file)
index 0000000..c96b635
--- /dev/null
@@ -0,0 +1,122 @@
+#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 <stdarg.h>
+
+static TDB_DATA key, data;
+
+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 tdb_flags, int to, int from)
+{
+       struct tdb_context *tdb;
+       unsigned int log_count;
+       struct tdb_logging_context log_ctx = { log_fn, &log_count };
+       int ret;
+       char c = 0;
+
+       tdb = tdb_open_ex("mutex-trylock.tdb", 0, tdb_flags,
+                         O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+       ok(tdb, "tdb_open_ex should succeed");
+
+       ret = tdb_chainlock(tdb, key);
+       ok(ret == 0, "tdb_chainlock should succeed");
+
+       write(to, &c, sizeof(c));
+
+       read(from, &c, sizeof(c));
+
+       ret = tdb_chainunlock(tdb, key);
+       ok(ret == 0, "tdb_chainunlock should succeed");
+
+       write(to, &c, sizeof(c));
+
+       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 };
+       int ret, status;
+       pid_t child, wait_ret;
+       int fromchild[2];
+       int tochild[2];
+       char c;
+       int tdb_flags;
+       bool runtime_support;
+
+       runtime_support = tdb_runtime_check_for_robust_mutexes();
+
+       if (!runtime_support) {
+               skip(1, "No robust mutex support");
+               return exit_status();
+       }
+
+       key.dsize = strlen("hi");
+       key.dptr = discard_const_p(uint8_t, "hi");
+       data.dsize = strlen("world");
+       data.dptr = discard_const_p(uint8_t, "world");
+
+       pipe(fromchild);
+       pipe(tochild);
+
+       tdb_flags = TDB_INCOMPATIBLE_HASH|
+               TDB_MUTEX_LOCKING|
+               TDB_CLEAR_IF_FIRST;
+
+       child = fork();
+       if (child == 0) {
+               close(fromchild[0]);
+               close(tochild[1]);
+               return do_child(tdb_flags, fromchild[1], tochild[0]);
+       }
+       close(fromchild[1]);
+       close(tochild[0]);
+
+       read(fromchild[0], &c, sizeof(c));
+
+       tdb = tdb_open_ex("mutex-trylock.tdb", 0, tdb_flags,
+                         O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+       ok(tdb, "tdb_open_ex should succeed");
+
+       ret = tdb_chainlock_nonblock(tdb, key);
+       ok(ret == -1, "tdb_chainlock_nonblock should not succeed");
+
+       write(tochild[1], &c, sizeof(c));
+
+       read(fromchild[0], &c, sizeof(c));
+
+       ret = tdb_chainlock_nonblock(tdb, key);
+       ok(ret == 0, "tdb_chainlock_nonblock should succeed");
+       ret = tdb_chainunlock(tdb, key);
+       ok(ret == 0, "tdb_chainunlock should succeed");
+
+       wait_ret = wait(&status);
+       ok(wait_ret == child, "child should have exited correctly");
+
+       diag("done");
+       return exit_status();
+}
diff --git a/lib/tdb/test/run-mutex1.c b/lib/tdb/test/run-mutex1.c
new file mode 100644 (file)
index 0000000..eb75946
--- /dev/null
@@ -0,0 +1,138 @@
+#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 <stdarg.h>
+
+static TDB_DATA key, data;
+
+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 tdb_flags, int to, int from)
+{
+       struct tdb_context *tdb;
+       unsigned int log_count;
+       struct tdb_logging_context log_ctx = { log_fn, &log_count };
+       int ret;
+       char c = 0;
+
+       tdb = tdb_open_ex("mutex1.tdb", 0, tdb_flags,
+                         O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+       ok(tdb, "tdb_open_ex should succeed");
+
+       ret = tdb_chainlock(tdb, key);
+       ok(ret == 0, "tdb_chainlock should succeed");
+
+       write(to, &c, sizeof(c));
+       read(from, &c, sizeof(c));
+
+       ret = tdb_chainunlock(tdb, key);
+       ok(ret == 0, "tdb_chainunlock should succeed");
+
+       write(to, &c, sizeof(c));
+       read(from, &c, sizeof(c));
+
+       ret = tdb_allrecord_lock(tdb, F_WRLCK, TDB_LOCK_WAIT, false);
+       ok(ret == 0, "tdb_allrecord_lock should succeed");
+
+       write(to, &c, sizeof(c));
+       read(from, &c, sizeof(c));
+
+       ret = tdb_allrecord_unlock(tdb, F_WRLCK, false);
+       ok(ret == 0, "tdb_allrecord_lock should succeed");
+
+       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 };
+       int ret, status;
+       pid_t child, wait_ret;
+       int fromchild[2];
+       int tochild[2];
+       char c;
+       int tdb_flags;
+       bool runtime_support;
+
+       runtime_support = tdb_runtime_check_for_robust_mutexes();
+
+       if (!runtime_support) {
+               skip(1, "No robust mutex support");
+               return exit_status();
+       }
+
+       key.dsize = strlen("hi");
+       key.dptr = discard_const_p(uint8_t, "hi");
+       data.dsize = strlen("world");
+       data.dptr = discard_const_p(uint8_t, "world");
+
+       pipe(fromchild);
+       pipe(tochild);
+
+       tdb_flags = TDB_INCOMPATIBLE_HASH|
+               TDB_MUTEX_LOCKING|
+               TDB_CLEAR_IF_FIRST;
+
+       child = fork();
+       if (child == 0) {
+               close(fromchild[0]);
+               close(tochild[1]);
+               return do_child(tdb_flags, fromchild[1], tochild[0]);
+       }
+       close(fromchild[1]);
+       close(tochild[0]);
+
+       read(fromchild[0], &c, sizeof(c));
+
+       tdb = tdb_open_ex("mutex1.tdb", 0, tdb_flags,
+                         O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
+       ok(tdb, "tdb_open_ex should succeed");
+
+       write(tochild[1], &c, sizeof(c));
+       read(fromchild[0], &c, sizeof(c));
+
+       ret = tdb_allrecord_lock(tdb, F_WRLCK, TDB_LOCK_WAIT, false);
+       ok(ret == 0, "tdb_allrecord_lock should succeed");
+
+       ret = tdb_store(tdb, key, data, 0);
+       ok(ret == 0, "tdb_store should succeed");
+
+       ret = tdb_allrecord_unlock(tdb, F_WRLCK, false);
+       ok(ret == 0, "tdb_allrecord_unlock should succeed");
+
+       write(tochild[1], &c, sizeof(c));
+       read(fromchild[0], &c, sizeof(c));
+       write(tochild[1], &c, sizeof(c));
+
+       ret = tdb_delete(tdb, key);
+       ok(ret == 0, "tdb_delete should succeed");
+
+       wait_ret = wait(&status);
+       ok(wait_ret == child, "child should have exited correctly");
+
+       diag("done");
+       return exit_status();
+}
index 6243ccff8df2da4c94d80467d310d66b9c3f0c80..c4f8b6a201a46bd3ad182b70dcae144751ffeb5c 100644 (file)
@@ -39,7 +39,14 @@ tdb1_unit_tests = [
     'run-transaction-expand',
     'run-traverse-in-transaction',
     'run-wronghash-fail',
-    'run-zero-append'
+    'run-zero-append',
+    'run-mutex-openflags2',
+    'run-mutex-trylock',
+    'run-mutex-allrecord-bench',
+    'run-mutex-allrecord-trylock',
+    'run-mutex-allrecord-block',
+    'run-mutex-die',
+    'run-mutex1',
 ]
 
 def set_options(opt):