9ce8f9bcdd
Redo the checking for 2.6 emulation. We now cache the value of use26 and replace calls to linux_get_osrelease() + parsing with a call to linux_use26(). Typical path is lockless now. Pointed out by: kib This allows to ship RELENG_7_0 with a default osrelease of 2.4.2 and the possibility to enable 2.6.x emulation without the possible performance impact of the previous version of the check. Submitted by: rdivacky
46 lines
1.9 KiB
C
46 lines
1.9 KiB
C
/*-
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* Copyright (c) 1999 Marcel Moolenaar
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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, this list of conditions and the following disclaimer
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* in this position and unchanged.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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_MIB_H_
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#define _LINUX_MIB_H_
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void linux_get_osname(struct thread *td, char *dst);
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int linux_set_osname(struct thread *td, char *osname);
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void linux_get_osrelease(struct thread *td, char *dst);
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int linux_set_osrelease(struct thread *td, char *osrelease);
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int linux_get_oss_version(struct thread *td);
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int linux_set_oss_version(struct thread *td, int oss_version);
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int linux_use26(struct thread *td);
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#endif /* _LINUX_MIB_H_ */
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