diff options
Diffstat (limited to 'module/os/freebsd/zfs/event_os.c')
-rw-r--r-- | module/os/freebsd/zfs/event_os.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/module/os/freebsd/zfs/event_os.c b/module/os/freebsd/zfs/event_os.c new file mode 100644 index 000000000000..e774fbaaf867 --- /dev/null +++ b/module/os/freebsd/zfs/event_os.c @@ -0,0 +1,83 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2022 Rob Wing + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/lock.h> +#include <sys/sx.h> +#include <sys/event.h> + +#include <sys/freebsd_event.h> + +static void +knlist_sx_xlock(void *arg) +{ + + sx_xlock((struct sx *)arg); +} + +static void +knlist_sx_xunlock(void *arg) +{ + + sx_xunlock((struct sx *)arg); +} + +#if __FreeBSD_version >= 1300128 +static void +knlist_sx_assert_lock(void *arg, int what) +{ + + if (what == LA_LOCKED) + sx_assert((struct sx *)arg, SX_LOCKED); + else + sx_assert((struct sx *)arg, SX_UNLOCKED); +} +#else +static void +knlist_sx_assert_locked(void *arg) +{ + sx_assert((struct sx *)arg, SX_LOCKED); +} +static void +knlist_sx_assert_unlocked(void *arg) +{ + sx_assert((struct sx *)arg, SX_UNLOCKED); +} +#endif + +void +knlist_init_sx(struct knlist *knl, struct sx *lock) +{ + +#if __FreeBSD_version >= 1300128 + knlist_init(knl, lock, knlist_sx_xlock, knlist_sx_xunlock, + knlist_sx_assert_lock); +#else + knlist_init(knl, lock, knlist_sx_xlock, knlist_sx_xunlock, + knlist_sx_assert_locked, knlist_sx_assert_unlocked); +#endif +} |