27 lines
1.0 KiB
C
27 lines
1.0 KiB
C
/*
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** Copyright 2003, Marcus Overhagen. All rights reserved.
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** Distributed under the terms of the OpenBeOS License.
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*/
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#ifndef _KERNEL_USER_ATOMIC_H
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#define _KERNEL_USER_ATOMIC_H
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/* If the architecture doesn't support atomic functions
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* in userspace, they are implemented as these syscalls.
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*/
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int32 _user_atomic_set(vint32 *value, int32 newValue);
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int32 _user_atomic_test_and_set(vint32 *value, int32 newValue, int32 testAgainst);
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int32 _user_atomic_add(vint32 *value, int32 addValue);
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int32 _user_atomic_and(vint32 *value, int32 andValue);
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int32 _user_atomic_or(vint32 *value, int32 orValue);
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int32 _user_atomic_get(vint32 *value);
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int64 _user_atomic_set64(vint64 *value, int64 newValue);
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int64 _user_atomic_test_and_set64(vint64 *value, int64 newValue, int64 testAgainst);
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int64 _user_atomic_add64(vint64 *value, int64 addValue);
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int64 _user_atomic_and64(vint64 *value, int64 andValue);
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int64 _user_atomic_or64(vint64 *value, int64 orValue);
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int64 _user_atomic_get64(vint64 *value);
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#endif /* _KERNEL_USER_ATOMIC_H */
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