This file is indexed.

/usr/include/nss/nssilckt.h is in libnss3-dev 2:3.26.2-0ubuntu0.12.04.1.

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
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
** nssilock.h - Instrumented locking functions for NSS
**
** Description:
**    nssilock provides instrumentation for locks and monitors in
**    the NSS libraries. The instrumentation, when enabled, causes
**    each call to the instrumented function to record data about
**    the call to an external file. The external file
**    subsequently used to extract performance data and other
**    statistical information about the operation of locks used in
**    the nss library.
**     
**    To enable compilation with instrumentation, build NSS with 
**    the compile time switch NEED_NSS_ILOCK defined.
**
**    say:  "gmake OS_CFLAGS+=-DNEED_NSS_ILOCK" at make time.
**
**    At runtime, to enable recording from nssilock, one or more
**    environment variables must be set. For each nssILockType to
**    be recorded, an environment variable of the form NSS_ILOCK_x
**    must be set to 1. For example:
**
**       set NSS_ILOCK_Cert=1
**
**    nssilock uses PRLOG is used to record to trace data. The
**    PRLogModule name associated with nssilock data is: "nssilock".
**    To enable recording of nssilock data you will need to set the
**    environment variable NSPR_LOG_MODULES to enable
**    recording for the nssilock log module. Similarly, you will
**    need to set the environment variable NSPR_LOG_FILE to specify
**    the filename to receive the recorded data. See prlog.h for usage.
**    Example:
**
**        export NSPR_LOG_MODULES=nssilock:6
**        export NSPR_LOG_FILE=xxxLogfile
**
** Operation:
**    nssilock wraps calls to NSPR's PZLock and PZMonitor functions
**    with similarly named functions: PZ_NewLock(), etc. When NSS is
**    built with lock instrumentation enabled, the PZ* functions are
**    compiled into NSS; when lock instrumentation is disabled,
**    calls to PZ* functions are directly mapped to PR* functions
**    and the instrumentation arguments to the PZ* functions are
**    compiled away.
**
**
** File Format:
**    The format of the external file is implementation
**    dependent. Where NSPR's PR_LOG() function is used, the file
**    contains data defined for PR_LOG() plus the data written by
**    the wrapped function. On some platforms and under some
**    circumstances, platform dependent logging or
**    instrumentation probes may be used. In any case, the
**    relevant data provided by the lock instrumentation is:
**    
**      lockType, func, address, duration, line, file [heldTime]
** 
**    where:
**    
**       lockType: a character representation of nssILockType for the
**       call. e.g. ... "cert"
**    
**       func: the function doing the tracing. e.g. "NewLock"
**    
**       address: address of the instrumented lock or monitor
**    
**       duration: is how long was spent in the instrumented function,
**       in PRIntervalTime "ticks".
**    
**       line: the line number within the calling function
**    
**       file: the file from which the call was made
**    
**       heldTime: how long the lock/monitor was held. field
**       present only for PZ_Unlock() and PZ_ExitMonitor().
**    
** Design Notes:
**    The design for lock instrumentation was influenced by the
**    need to gather performance data on NSS 3.x. It is intended
**    that the effort to modify NSS to use lock instrumentation
**    be minimized. Existing calls to locking functions need only
**    have their names changed to the instrumentation function
**    names.
**    
** Private NSS Interface:
**    nssilock.h defines a private interface for use by NSS.
**    nssilock.h is experimental in nature and is subject to
**    change or revocation without notice. ... Don't mess with
**    it.
**    
*/

/*
 * $Id:
 */

#ifndef _NSSILCKT_H_
#define _NSSILCKT_H_

#include "utilrename.h"
#include "prtypes.h"
#include "prmon.h"
#include "prlock.h"
#include "prcvar.h"

typedef enum {
    nssILockArena = 0,
    nssILockSession = 1,
    nssILockObject = 2,
    nssILockRefLock = 3,
    nssILockCert = 4,
    nssILockCertDB = 5,
    nssILockDBM = 6,
    nssILockCache = 7,
    nssILockSSL = 8,
    nssILockList = 9,
    nssILockSlot = 10,
    nssILockFreelist = 11,
    nssILockOID = 12,
    nssILockAttribute = 13,
    nssILockPK11cxt = 14,  /* pk11context */
    nssILockRWLock = 15,
    nssILockOther = 16,
    nssILockSelfServ = 17,
    nssILockKeyDB = 18,
    nssILockLast  /* don't use this one! */
} nssILockType;

/*
** conditionally compile in nssilock features
*/
#if defined(NEED_NSS_ILOCK)

/*
** Declare operation type enumerator
** enumerations identify the function being performed
*/
typedef enum  {
    FlushTT = 0,
    NewLock = 1,
    Lock = 2,
    Unlock = 3,
    DestroyLock = 4,
    NewCondVar = 5,
    WaitCondVar = 6,
    NotifyCondVar = 7,
    NotifyAllCondVar = 8,
    DestroyCondVar = 9,
    NewMonitor = 10,
    EnterMonitor = 11,
    ExitMonitor = 12,
    Notify = 13,
    NotifyAll = 14,
    Wait = 15,
    DestroyMonitor = 16
} nssILockOp;

/*
** Declare the trace record
*/
struct pzTrace_s {
    PRUint32        threadID; /* PR_GetThreadID() */
    nssILockOp      op;       /* operation being performed */
    nssILockType    ltype;    /* lock type identifier */
    PRIntervalTime  callTime; /* time spent in function */
    PRIntervalTime  heldTime; /* lock held time, or -1 */
    void            *lock;    /* address of lock structure */    
    PRIntn          line;     /* line number */
    char            file[24]; /* filename */
};

/*
** declare opaque types. See: nssilock.c
*/
typedef struct pzlock_s PZLock;
typedef struct pzcondvar_s PZCondVar;
typedef struct pzmonitor_s PZMonitor;

#else /* NEED_NSS_ILOCK */

#define PZLock                  PRLock
#define PZCondVar               PRCondVar
#define PZMonitor               PRMonitor
    
#endif /* NEED_NSS_ILOCK */

#endif /* _NSSILCKT_H_ */