80 lines
3.1 KiB
C
80 lines
3.1 KiB
C
/*-
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* Copyright (c) 2006 Roman Divacky
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* Copyright (c) 2013 Dmitry Chagin
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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_EMUL_H_
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#define _LINUX_EMUL_H_
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/*
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* modeled after similar structure in NetBSD
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* this will be extended as we need more functionality
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*/
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struct linux_emuldata {
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int *child_set_tid; /* in clone(): Child's TID to set on clone */
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int *child_clear_tid;/* in clone(): Child's TID to clear on exit */
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int pdeath_signal; /* parent death signal */
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int flags; /* thread emuldata flags */
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int em_tid; /* thread id */
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struct linux_robust_list_head *robust_futexes;
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};
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struct linux_emuldata *em_find(struct thread *);
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void linux_proc_init(struct thread *, struct thread *, int);
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void linux_proc_exit(void *, struct proc *);
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void linux_schedtail(struct thread *);
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void linux_proc_exec(void *, struct proc *, struct image_params *);
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void linux_thread_dtor(void *arg __unused, struct thread *);
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void linux_thread_detach(struct thread *);
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int linux_common_execve(struct thread *, struct image_args *);
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/* process emuldata flags */
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#define LINUX_XDEPR_REQUEUEOP 0x00000001 /* uses deprecated
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futex REQUEUE op*/
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#define LINUX_XUNSUP_EPOLL 0x00000002 /* unsupported epoll events */
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#define LINUX_XUNSUP_FUTEXPIOP 0x00000004 /* uses unsupported pi futex */
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struct linux_pemuldata {
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uint32_t flags; /* process emuldata flags */
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struct sx pem_sx; /* lock for this struct */
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void *epoll; /* epoll data */
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};
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#define LINUX_PEM_XLOCK(p) sx_xlock(&(p)->pem_sx)
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#define LINUX_PEM_XUNLOCK(p) sx_xunlock(&(p)->pem_sx)
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#define LINUX_PEM_SLOCK(p) sx_slock(&(p)->pem_sx)
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#define LINUX_PEM_SUNLOCK(p) sx_sunlock(&(p)->pem_sx)
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struct linux_pemuldata *pem_find(struct proc *);
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#endif /* !_LINUX_EMUL_H_ */
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