This file is indexed.

/usr/src/blcr-0.8.5/include/blcr_common.h.in is in blcr-dkms 0.8.5-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
/* 
 * Berkeley Lab Checkpoint/Restart (BLCR) for Linux is Copyright (c)
 * 2008, The Regents of the University of California, through Lawrence
 * Berkeley National Laboratory (subject to receipt of any required
 * approvals from the U.S. Dept. of Energy).  All rights reserved.
 *
 * Portions may be copyrighted by others, as may be noted in specific
 * copyright notices within specific files.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * $Id: blcr_common.h.in,v 1.50.4.2 2011/09/30 20:33:30 phargrov Exp $
 *
 * This file contains definitions of BLCR types and constants that are
 * common to both user-space and kernel-space.
 */

#ifndef _BLCR_COMMON_H
#define _BLCR_COMMON_H	1

#ifndef __KERNEL__
#  include <features.h>
#  include <sys/ioctl.h>
#  include <sys/types.h>
   __BEGIN_DECLS
#else
#  include <linux/types.h>
#  include <linux/sched.h>
#  include <asm/ioctl.h>
#endif

#if defined(__GNUC__) && ((100 * __GNUC__ + __GNUC_MINOR__) >= 302)
  #define _CR_DEPRECATED  __attribute__((__deprecated__))
#else
  #define _CR_DEPRECATED /* empty */
#endif

// Get things specific to the current /proc implementation.
// This includes the actual entry points.
#include <blcr_proc.h>

// The signal number allocated for checkpoint:
#define CR_SIGNUM	@CR_SIGNUM@

/* version numbers */
#define CR_RELEASE_MAJOR @CR_RELEASE_MAJOR@
#define CR_RELEASE_MINOR @CR_RELEASE_MINOR@
#define CR_RELEASE_PATCH @CR_RELEASE_PATCH@
#define CR_RELEASE_VERSION "@CR_RELEASE_VERSION@"

#define LIBCR_MAJOR @LIBCR_MAJOR@
#define LIBCR_MINOR @LIBCR_MINOR@
#define LIBCR_PATCH @LIBCR_PATCH@
#define LIBCR_VERSION "@LIBCR_VERSION@"

#define CR_MODULE_MAJOR @CR_MODULE_MAJOR@
#define CR_MODULE_MINOR @CR_MODULE_MINOR@
#define CR_MODULE_PATCH @CR_MODULE_PATCH@
#define CR_MODULE_VERSION "@CR_MODULE_VERSION@"

/* CR-specific error codes:
 * ------------------------
 * i386 currently uses 1-125 for standard errno codes, and kernel-only ones
 * from 512-528.   Alpha/IA64 are similar.
 *
 * NOTE: You add new error codes by APPENDNG to blcr_errcodes.h.
 * Changing/reordering any of the existing error codes requires
 * incrementing the major version numbers of BOTH the kernel/libcr and
 * libcr/user interfaces.  Adding a new error requires incrementing the minor
 * version number of both.
 */
#define CR_ERROR_DEF(name, desc)    name,
enum {
    CR_MIN_ERRCODE = 2353,
#include <blcr_errcodes.h>
    CR_MAX_ERRCODE
};
#undef CR_ERROR_DEF

// basic boolean type for atomic bit operations
typedef long cr_bool_t;

// Types of context files to dump
typedef enum {
  cr_format_vmadump = 0,
  // cr_format_coredump, NO LONGER SUPPORTED
} cr_format_t;

//
// Definitions for a checkpoint request:
//

// Scope of a checkpoint request:
typedef enum {
	// CR_SCOPE_TASK,	single task NO LONGER SUPPORTED
	CR_SCOPE_PROC,	// All threads in this process
	CR_SCOPE_PGRP,	// All processes in the process group
	CR_SCOPE_SESS,	// All processes in the session
	CR_SCOPE_TREE,	// This process and all descendants
} cr_scope_t;

/* cr_checkpoint() callback flags */
enum {
    CR_CHECKPOINT_READY = 0,	    	/* checkpoint me */
    CR_CHECKPOINT_TEMP_FAILURE = 1,	/* cancel checkpoint and continue */
    CR_CHECKPOINT_PERM_FAILURE = 2,	/* cancel checkpoint, and kill me */
    CR_CHECKPOINT_OMIT = 4,		/* continue checkpoint, but w/o my process */
    /* Following are for internal use only: */
    _CR_CHECKPOINT_STUB = 0x4000,	/* caller is a "stub" handler - must fit in 15 bits */
};
#define CR_CHECKPOINT_TEMP_FAILURE_CODE(_v) (CR_CHECKPOINT_TEMP_FAILURE | ((_v)<<16))
#define CR_CHECKPOINT_PERM_FAILURE_CODE(_v) (CR_CHECKPOINT_PERM_FAILURE | ((_v)<<16))

#define CR_CHECKPOINT_ABORT_MASK (CR_CHECKPOINT_TEMP_FAILURE|CR_CHECKPOINT_PERM_FAILURE|CR_CHECKPOINT_OMIT)

// Setting cr_fd = CR_DEST_CWD sends context files to the cwd of the requester.
// Using (-1) could cause confusion with unchecked error returns from open().
#define CR_DEST_CWD	(-4096)

// The actual checkpoint request structure:
// XXX: If you make changes to this structure:
//  1) Modify cr_module.h to keep the "compat" version up-to-date
//  2) Be sure to advance CR_MODULE_* in configure.ac to avoid caller/callee mismatch
struct cr_chkpt_args {
	pid_t			cr_target;	// Who to checkpoint
	cr_scope_t		cr_scope;	// Scope of the checkpoint
	int			cr_fd;		// Destination of the context
	unsigned int		cr_secs;	// Seconds for target to
						// respond. 0 == unbounded
// XXX: Should one or more of the following fields move to opts?
	cr_format_t		dump_format;	// Format to use for this dump
	int			signal;		// Sent after checkpoint
	unsigned int		flags;		// See below...
};

// Structure to propagate a checkpoint to another process used by 
// cr_forward_checkpoint
// XXX: If you make changes to this structure:
//  1) Modify cr_module.h to keep the "compat" version up-to-date
//  2) Be sure to advance CR_MODULE_* in configure.ac to avoid caller/callee mismatch
struct cr_fwd_args {
	pid_t			cr_target;	// Who to checkpoint
	cr_scope_t		cr_scope;	// Scope of the checkpoint
};

//
// Flag values to OR together for 'flags' field of cr_chkpt_args
//
// CR_CHKPT_PROHIBIT_SELF
//	When given this flag, a checkpoint request will return failure (with
//	errno=EDEADLK) if the requestor's task would be included in the
//	checkpoint.  Note that in general checkpointing one's own task is
//	legal and only results in deadlock when critical sections and
//	blocking calls to CR_OP_CHKPT_DONE interact.
#define CR_CHKPT_PROHIBIT_SELF		0x00000001
// CR_CHKPT_PTRACED_*
//	Without either of these flags, requesting a checkpoint of a ptraced
//	process will fail with errno=CR_EPTRACED.
//	CR_CHKPT_PTRACED_ALLOW
//	    When given this flag, ptraced processes will be treated as any
//	    other process would.  Since BLCR interacts with the processes
//	    to be checkpointed using signals and sysem calls, the debugger
//	    (or other ptracer) must "continue" the process until the
//	    checkpoint has been taken.
//	CR_CHKPT_PTRACED_SKIP
//	    When given this flag, ptraced processes are silently excluded
//	    from the checkpoint request (and their children if the scope
//	    is CR_SCOPE_TREE).  An error will result ONLY if this leads to
//	    zero processes checkpointed.
//	NOTE: These flags are mutually exclusive.
#define CR_CHKPT_PTRACED_ALLOW		0x00000002
#define CR_CHKPT_PTRACED_SKIP		0x00000004
// CR_CHKPT_PTRACER_SKIP
//	Without these this flag, requesting a checkpoint of a process which
//	is ptracing others will fail with errno=CR_EPTRACER.
//	When given this flag, such processes are silently excluded from the
//	checkpoint request (and their children if the scope is CR_SCOPE_TREE).
//	An error will result ONLY if this leads to zero processes
//	checkpointed.
#define CR_CHKPT_PTRACER_SKIP		0x00000008
// CR_CHKPT_ASYNC_ERR
//	When this flag is passed most errors that would otherwise be reported
//	at request time are instead reported at CR_OP_CHKPT_REAP.
#define CR_CHKPT_ASYNC_ERR		0x00000010
// CR_CHKPT_DUMP_*
//	Request dump of optional portions of memory:
//	    CR_CHKPT_DUMP_EXEC      dump the executable
//	    CR_CHKPT_DUMP_PRIVATE   dump private mapped files
//	    CR_CHKPT_DUMP_SHARED    dump shared mapped files
//	    CR_CHKPT_DUMP_ALL       dump all optional portions of memory
#define CR_CHKPT_DUMP_EXEC      0x0200  /* BLCR will dump the executable  */
#define CR_CHKPT_DUMP_PRIVATE   0x0400  /* BLCR will dump private file maps  */
#define CR_CHKPT_DUMP_SHARED    0x0800  /* BLCR will dump shared file maps  */
#define CR_CHKPT_DUMP_ALL       (CR_CHKPT_DUMP_EXEC|CR_CHKPT_DUMP_PRIVATE|CR_CHKPT_DUMP_SHARED)

//
// Definitions for a restart request:
//

// path pairs for restart-time relocations
// XXX: If you make changes to this structure:
//  1) Modify cr_module.h to keep the "compat" version up-to-date
//  2) Be sure to advance CR_MODULE_* in configure.ac to avoid caller/callee mismatch
struct cr_rstrt_relocate_pair {
	const char *oldpath;
	const char *newpath;
};
struct cr_rstrt_relocate {
	unsigned int    count;
	struct cr_rstrt_relocate_pair
#if defined(__GNUC__) && (__GNUC__ < 3)
			path[0]; // GNU (not ISO C99) variable length array
#else
			path[]; // ISO C99 variable length array
#endif
};
// Bytes to allocate for struct cr_rstrt_relocate with _cnt path entries:
#define CR_RSTRT_RELOCATE_SIZE(_cnt) (sizeof(struct cr_rstrt_relocate) + \
				      (_cnt) * sizeof(struct cr_rstrt_relocate_pair))
// Maximum number of path entries supported in struct cr_rstrt_relocate
#define CR_MAX_RSTRT_RELOC	16

// The actual restart request structure:
// XXX: If you make changes to this structure:
//  1) Modify cr_module.h to keep the "compat" version up-to-date
//  2) Be sure to advance CR_MODULE_* in configure.ac to avoid caller/callee mismatch
struct cr_rstrt_args {
	int			cr_fd;		// Source of the context
// XXX: Should one or more of the following fields move to opts?
	int			signal;		// delivered just before callbacks run
	struct cr_rstrt_relocate *relocate;	// mapping of paths to new locations
	unsigned int		flags;		// See below...
};

//
// Flag values to OR together for 'flags' field of cr_rstrt_args
//
//
// CR_RSTRT_ASYNC_ERR
//	When this flag is passed most errors that would otherwise be reported
//	at request time are instead reported at CR_OP_RSTRT_REAP.
#define CR_RSTRT_ASYNC_ERR		0x00000001
// CR_RSTRT_RESTORE_PID
//      When this flag is passes, the pid and tgid of tasks are restored.
#define CR_RSTRT_RESTORE_PID		0x00000002
// CR_RSTRT_RESTORE_PGID
//      When this flag is passes, the process group ids of task are restored.
#define CR_RSTRT_RESTORE_PGID		0x00000004
// CR_RSTRT_RESTORE_SID
//      When this flag is passes, the session ids of task are restored.
#define CR_RSTRT_RESTORE_SID		0x00000008

// Structure for returning processes to spawn
// XXX: If you make changes to this structure:
//  1) Modify cr_module.h to keep the "compat" version up-to-date
//  2) Be sure to advance CR_MODULE_* in configure.ac to avoid caller/callee mismatch
struct cr_procs_tbl {
	int	threads;
	int	clone_flags;
};

// Structure for returning checkpoint info */
// XXX: If you make changes to this structure:
//  1) Modify cr_module.h to keep the "compat" version up-to-date
//  2) Be sure to advance CR_MODULE_* in configure.ac to avoid caller/callee mismatch
//  The 'dest' field is a buffer of len >= PATH_MAX, and the result is a string:
//	Empty if the destination is not in the file system
//	Full path if destination is a file, device, fifo, etc.
//	Path ending in "/." if destination is a directory.
struct cr_chkpt_info {
	pid_t	requester;
	pid_t	target;
	int	scope;
	int	signal;
	char	*dest;
};

// Structure for requesting error/warning log
// XXX: If you make changes to this structure:
//  1) Modify cr_module.h to keep the "compat" version up-to-date
//  2) Be sure to advance CR_MODULE_* in configure.ac to avoid caller/callee mismatch
struct cr_log_args {
	unsigned int	len;
	char 		*buf;
};

// Flags to OP_HAND_DONE and to cr_hold_ctrl()
#define CR_HOLD_READ -1
#define CR_HOLD_NONE  0
#define CR_HOLD_CONT  1
#define CR_HOLD_RSTRT 2
#define CR_HOLD_BOTH  (CR_HOLD_CONT|CR_HOLD_RSTRT)
#define CR_HOLD_DFLT  4

#ifndef __KERNEL__
  __END_DECLS
#endif

#endif