/usr/include/isc/mutex.h is in libbind-dev 1:9.9.5.dfsg-9+deb8u15.
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 | /*
* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1998-2002 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: mutex.h,v 1.30 2007/06/19 23:47:18 tbox Exp $ */
#ifndef ISC_MUTEX_H
#define ISC_MUTEX_H 1
/*! \file */
#include <pthread.h>
#include <stdio.h>
#include <isc/lang.h>
#include <isc/result.h> /* for ISC_R_ codes */
ISC_LANG_BEGINDECLS
/*!
* Supply mutex attributes that enable deadlock detection
* (helpful when debugging). This is system dependent and
* currently only supported on NetBSD.
*/
#if ISC_MUTEX_DEBUG && defined(__NetBSD__) && defined(PTHREAD_MUTEX_ERRORCHECK)
extern pthread_mutexattr_t isc__mutex_attrs;
#define ISC__MUTEX_ATTRS &isc__mutex_attrs
#else
#define ISC__MUTEX_ATTRS NULL
#endif
/* XXX We could do fancier error handling... */
/*!
* Define ISC_MUTEX_PROFILE to turn on profiling of mutexes by line. When
* enabled, isc_mutex_stats() can be used to print a table showing the
* number of times each type of mutex was locked and the amount of time
* waiting to obtain the lock.
*/
#ifndef ISC_MUTEX_PROFILE
#define ISC_MUTEX_PROFILE 0
#endif
#if ISC_MUTEX_PROFILE
typedef struct isc_mutexstats isc_mutexstats_t;
typedef struct {
pthread_mutex_t mutex; /*%< The actual mutex. */
isc_mutexstats_t * stats; /*%< Mutex statistics. */
} isc_mutex_t;
#else
typedef pthread_mutex_t isc_mutex_t;
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_init(mp) \
isc_mutex_init_profile((mp), __FILE__, __LINE__)
#else
#if ISC_MUTEX_DEBUG && defined(PTHREAD_MUTEX_ERRORCHECK)
#define isc_mutex_init(mp) \
isc_mutex_init_errcheck((mp))
#else
#define isc_mutex_init(mp) \
isc__mutex_init((mp), __FILE__, __LINE__)
isc_result_t isc__mutex_init(isc_mutex_t *mp, const char *file, unsigned int line);
#endif
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_lock(mp) \
isc_mutex_lock_profile((mp), __FILE__, __LINE__)
#else
#define isc_mutex_lock(mp) \
((pthread_mutex_lock((mp)) == 0) ? \
ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_unlock(mp) \
isc_mutex_unlock_profile((mp), __FILE__, __LINE__)
#else
#define isc_mutex_unlock(mp) \
((pthread_mutex_unlock((mp)) == 0) ? \
ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_trylock(mp) \
((pthread_mutex_trylock((&(mp)->mutex)) == 0) ? \
ISC_R_SUCCESS : ISC_R_LOCKBUSY)
#else
#define isc_mutex_trylock(mp) \
((pthread_mutex_trylock((mp)) == 0) ? \
ISC_R_SUCCESS : ISC_R_LOCKBUSY)
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_destroy(mp) \
((pthread_mutex_destroy((&(mp)->mutex)) == 0) ? \
ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#else
#define isc_mutex_destroy(mp) \
((pthread_mutex_destroy((mp)) == 0) ? \
ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_stats(fp) isc_mutex_statsprofile(fp);
#else
#define isc_mutex_stats(fp)
#endif
#if ISC_MUTEX_PROFILE
isc_result_t
isc_mutex_init_profile(isc_mutex_t *mp, const char * _file, int _line);
isc_result_t
isc_mutex_lock_profile(isc_mutex_t *mp, const char * _file, int _line);
isc_result_t
isc_mutex_unlock_profile(isc_mutex_t *mp, const char * _file, int _line);
void
isc_mutex_statsprofile(FILE *fp);
isc_result_t
isc_mutex_init_errcheck(isc_mutex_t *mp);
#endif /* ISC_MUTEX_PROFILE */
ISC_LANG_ENDDECLS
#endif /* ISC_MUTEX_H */
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