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8a1a42b2a7
In Linux, these are macros to locks in the kernel for scheduling purposes.
But as with other macros in this header, we aren't doing anything with them
so we are doing `do {} while (0)` for now.
This is needed by the drm-kmod 5.7 update.
Approved by: hselasky (src)
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D30710
99 lines
3.3 KiB
C
99 lines
3.3 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUX_LOCKDEP_H_
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#define _LINUX_LOCKDEP_H_
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#include <sys/lock.h>
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struct lock_class_key {
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};
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struct lockdep_map {
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};
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#define lockdep_set_class(lock, key)
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#define lockdep_set_subclass(lock, sub)
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#define lockdep_set_class_and_name(lock, key, name)
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#define lockdep_set_current_reclaim_state(g) do { } while (0)
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#define lockdep_clear_current_reclaim_state() do { } while (0)
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#define lockdep_init_map(_map, _name, _key, _x) do { } while(0)
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#ifdef INVARIANTS
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#define lockdep_assert_held(m) do { \
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struct lock_object *__lock = (struct lock_object *)(m); \
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LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED); \
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} while (0)
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#define lockdep_assert_held_once(m) do { \
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struct lock_object *__lock = (struct lock_object *)(m); \
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LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED | LA_NOTRECURSED); \
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} while (0)
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static __inline bool
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lockdep_is_held(void *__m)
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{
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struct lock_object *__lock;
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struct thread *__td;
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__lock = __m;
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return (LOCK_CLASS(__lock)->lc_owner(__lock, &__td) != 0);
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}
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#define lockdep_is_held_type(_m, _t) lockdep_is_held(_m)
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#else
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#define lockdep_assert_held(m) do { } while (0)
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#define lockdep_assert_held_once(m) do { } while (0)
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#define lockdep_is_held(m) 1
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#define lockdep_is_held_type(_m, _t) 1
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#endif
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#define might_lock(m) do { } while (0)
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#define might_lock_read(m) do { } while (0)
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#define might_lock_nested(m, n) do { } while (0)
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#define lock_acquire(...) do { } while (0)
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#define lock_release(...) do { } while (0)
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#define lock_acquire_shared_recursive(...) do { } while (0)
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#define mutex_acquire(...) do { } while (0)
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#define mutex_release(...) do { } while (0)
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#define lock_map_acquire(_map) do { } while (0)
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#define lock_map_acquire_read(_map) do { } while (0)
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#define lock_map_release(_map) do { } while (0)
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#define lockdep_pin_lock(l) do { } while (0)
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#define lockdep_repin_lock(l,c) do { } while (0)
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#define lockdep_unpin_lock(l,c) do { } while (0)
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#endif /* _LINUX_LOCKDEP_H_ */
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