/
ckpt.h
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/
ckpt.h
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/*-
* Copyright (c) 2003 Kip Macy All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*/
#ifndef _SYS_CKPT_H_
#define _SYS_CKPT_H_
#if !defined(_KERNEL) && !defined(_KERNEL_STRUCTURES)
#error "This file should not be included by userland programs."
#endif
#ifndef _SYS_TYPES_H_
#include <sys/types.h>
#endif
#ifndef _SYS_MOUNT_H_
#include <sys/mount.h>
#endif
#ifndef _SYS_SIGNALVAR_H_
#include <sys/signalvar.h>
#endif
#define CKPT_MAXTHREADS 256
struct ckpt_filehdr {
int cfh_magic; /* XXX implement */
int cfh_nfiles;
int cfh_reserved[8];
};
struct ckpt_vminfo {
segsz_t cvm_dsize; /* in pages */
segsz_t cvm_tsize; /* in pages */
segsz_t cvm_reserved1[4];
caddr_t cvm_daddr;
caddr_t cvm_taddr;
caddr_t cvm_reserved2[4];
};
struct ckpt_fileinfo {
int cfi_index;
u_int cfi_flags; /* saved f_flag */
off_t cfi_offset; /* saved f_offset */
fhandle_t cfi_fh;
int cfi_type;
int cfi_ckflags;
int cfi_reserved[6];
};
#define CKFIF_ISCKPTFD 0x0001
struct ckpt_siginfo {
int csi_ckptpisz;
struct sigacts csi_sigacts;
struct itimerval csi_itimerval;
int csi_sigparent;
sigset_t csi_sigmask;
int csi_reserved[6];
};
/*
* Elf_Phdr is based on the inclusion of elf32 or elf64. If neither was
* included, we don't know what to do with it. If the source needs the
* structure, generate a compile-time error.
*/
#ifdef __ELF_WORD_SIZE
struct vn_hdr {
fhandle_t vnh_fh;
Elf_Phdr vnh_phdr;
int vnh_reserved[8];
};
#endif
#ifdef _KERNEL
#ifdef DEBUG
#define TRACE_ENTER kprintf("entering %s at %s:%d\n", __func__, __FILE__, __LINE__)
#define TRACE_EXIT kprintf("exiting %s at %s:%d\n", __func__, __FILE__, __LINE__)
#define TRACE_ERR kprintf("failure encountered in %s at %s:%d\n", __func__, __FILE__, __LINE__)
#define PRINTF(args) kprintf args
#else
#define TRACE_ENTER
#define TRACE_EXIT
#define TRACE_ERR
#define PRINTF(args)
#endif /* DEBUG */
#endif /* _KERNEL */
#endif /* _SYS_CKPT_H_ */