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| author | unknown <heikki@hundin.mysql.fi> | 2002-08-06 22:59:13 +0300 |
|---|---|---|
| committer | unknown <heikki@hundin.mysql.fi> | 2002-08-06 22:59:13 +0300 |
| commit | a3edc742b94a94ff455ff549d7e2a9f5faa346a0 (patch) | |
| tree | 0ed7a5d28436450a6e79787357c337dfae761d1d /innobase/srv/srv0start.c | |
| parent | cbb0dc14ccd3ff932edf5a29aa6af0ac210be4b9 (diff) | |
| download | mariadb-git-a3edc742b94a94ff455ff549d7e2a9f5faa346a0.tar.gz | |
Many files:
Merge InnoDB-3.23.52d
innobase/btr/btr0sea.c:
Merge InnoDB-3.23.52d
innobase/buf/buf0buf.c:
Merge InnoDB-3.23.52d
innobase/buf/buf0lru.c:
Merge InnoDB-3.23.52d
innobase/include/buf0buf.h:
Merge InnoDB-3.23.52d
innobase/include/ha0ha.h:
Merge InnoDB-3.23.52d
innobase/include/log0log.h:
Merge InnoDB-3.23.52d
innobase/include/os0file.h:
Merge InnoDB-3.23.52d
innobase/include/os0thread.h:
Merge InnoDB-3.23.52d
innobase/include/ha0ha.ic:
Merge InnoDB-3.23.52d
innobase/include/os0sync.ic:
Merge InnoDB-3.23.52d
innobase/include/srv0start.h:
Merge InnoDB-3.23.52d
innobase/include/sync0rw.ic:
Merge InnoDB-3.23.52d
innobase/include/sync0sync.ic:
Merge InnoDB-3.23.52d
innobase/include/ut0dbg.h:
Merge InnoDB-3.23.52d
innobase/include/univ.i:
Merge InnoDB-3.23.52d
innobase/lock/lock0lock.c:
Merge InnoDB-3.23.52d
innobase/log/log0log.c:
Merge InnoDB-3.23.52d
innobase/mem/mem0pool.c:
Merge InnoDB-3.23.52d
innobase/os/os0file.c:
Merge InnoDB-3.23.52d
innobase/os/os0thread.c:
Merge InnoDB-3.23.52d
innobase/srv/srv0srv.c:
Merge InnoDB-3.23.52d
innobase/srv/srv0start.c:
Merge InnoDB-3.23.52d
innobase/sync/sync0arr.c:
Merge InnoDB-3.23.52d
innobase/sync/sync0rw.c:
Merge InnoDB-3.23.52d
innobase/sync/sync0sync.c:
Merge InnoDB-3.23.52d
innobase/thr/thr0loc.c:
Merge InnoDB-3.23.52d
innobase/trx/trx0trx.c:
Merge InnoDB-3.23.52d
innobase/configure.in:
Merge InnoDB-3.23.52d
sql/ha_innobase.cc:
Merge InnoDB-3.23.52d
Diffstat (limited to 'innobase/srv/srv0start.c')
| -rw-r--r-- | innobase/srv/srv0start.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/innobase/srv/srv0start.c b/innobase/srv/srv0start.c index b35bca1ea8e..ea0ed7c961e 100644 --- a/innobase/srv/srv0start.c +++ b/innobase/srv/srv0start.c @@ -74,6 +74,12 @@ ulint ios; ulint n[SRV_MAX_N_IO_THREADS + 5]; os_thread_id_t thread_ids[SRV_MAX_N_IO_THREADS + 5]; +/* We use this mutex to test the return value of pthread_mutex_trylock + on successful locking. HP-UX does NOT return 0, though Linux et al do. */ +os_fast_mutex_t srv_os_test_mutex; + +ibool srv_os_test_mutex_is_locked = FALSE; + #define SRV_N_PENDING_IOS_PER_THREAD OS_AIO_N_PENDING_IOS_PER_THREAD #define SRV_MAX_N_PENDING_SYNC_IOS 100 @@ -1353,6 +1359,22 @@ innobase_start_or_create_for_mysql(void) tablespace_size_in_header, sum_of_data_file_sizes); } + /* Check that os_fast_mutexes work as exptected */ + os_fast_mutex_init(&srv_os_test_mutex); + + if (0 != os_fast_mutex_trylock(&srv_os_test_mutex)) { + fprintf(stderr, +"InnoDB: Error: pthread_mutex_trylock returns an unexpected value on\n" + "InnoDB: success! Cannot continue.\n"); + exit(1); + } + + os_fast_mutex_unlock(&srv_os_test_mutex); + + os_fast_mutex_lock(&srv_os_test_mutex); + + os_fast_mutex_unlock(&srv_os_test_mutex); + ut_print_timestamp(stderr); fprintf(stderr, " InnoDB: Started\n"); |