| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (c) 2007 Niels Provos <provos@citi.umich.edu> | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * 3. The name of the author may not be used to endorse or promote products | |
| 14 * derived from this software without specific prior written permission. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
| 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
| 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | |
| 27 #ifndef _EVUTIL_H_ | |
| 28 #define _EVUTIL_H_ | |
| 29 | |
| 30 /** @file evutil.h | |
| 31 | |
| 32 Common convenience functions for cross-platform portability and | |
| 33 related socket manipulations. | |
| 34 | |
| 35 */ | |
| 36 | |
| 37 #ifdef __cplusplus | |
| 38 extern "C" { | |
| 39 #endif | |
| 40 | |
| 41 #include "event-config.h" | |
| 42 #ifdef _EVENT_HAVE_SYS_TIME_H | |
| 43 #include <sys/time.h> | |
| 44 #endif | |
| 45 #ifdef _EVENT_HAVE_STDINT_H | |
| 46 #include <stdint.h> | |
| 47 #elif defined(_EVENT_HAVE_INTTYPES_H) | |
| 48 #include <inttypes.h> | |
| 49 #endif | |
| 50 #ifdef _EVENT_HAVE_SYS_TYPES_H | |
| 51 #include <sys/types.h> | |
| 52 #endif | |
| 53 #include <stdarg.h> | |
| 54 | |
| 55 #ifdef _EVENT_HAVE_UINT64_T | |
| 56 #define ev_uint64_t uint64_t | |
| 57 #define ev_int64_t int64_t | |
| 58 #elif defined(WIN32) | |
| 59 #define ev_uint64_t unsigned __int64 | |
| 60 #define ev_int64_t signed __int64 | |
| 61 #elif _EVENT_SIZEOF_LONG_LONG == 8 | |
| 62 #define ev_uint64_t unsigned long long | |
| 63 #define ev_int64_t long long | |
| 64 #elif _EVENT_SIZEOF_LONG == 8 | |
| 65 #define ev_uint64_t unsigned long | |
| 66 #define ev_int64_t long | |
| 67 #else | |
| 68 #error "No way to define ev_uint64_t" | |
| 69 #endif | |
| 70 | |
| 71 #ifdef _EVENT_HAVE_UINT32_T | |
| 72 #define ev_uint32_t uint32_t | |
| 73 #elif defined(WIN32) | |
| 74 #define ev_uint32_t unsigned int | |
| 75 #elif _EVENT_SIZEOF_LONG == 4 | |
| 76 #define ev_uint32_t unsigned long | |
| 77 #elif _EVENT_SIZEOF_INT == 4 | |
| 78 #define ev_uint32_t unsigned int | |
| 79 #else | |
| 80 #error "No way to define ev_uint32_t" | |
| 81 #endif | |
| 82 | |
| 83 #ifdef _EVENT_HAVE_UINT16_T | |
| 84 #define ev_uint16_t uint16_t | |
| 85 #elif defined(WIN32) | |
| 86 #define ev_uint16_t unsigned short | |
| 87 #elif _EVENT_SIZEOF_INT == 2 | |
| 88 #define ev_uint16_t unsigned int | |
| 89 #elif _EVENT_SIZEOF_SHORT == 2 | |
| 90 #define ev_uint16_t unsigned short | |
| 91 #else | |
| 92 #error "No way to define ev_uint16_t" | |
| 93 #endif | |
| 94 | |
| 95 #ifdef _EVENT_HAVE_UINT8_T | |
| 96 #define ev_uint8_t uint8_t | |
| 97 #else | |
| 98 #define ev_uint8_t unsigned char | |
| 99 #endif | |
| 100 | |
| 101 int evutil_socketpair(int d, int type, int protocol, int sv[2]); | |
| 102 int evutil_make_socket_nonblocking(int sock); | |
| 103 #ifdef WIN32 | |
| 104 #define EVUTIL_CLOSESOCKET(s) closesocket(s) | |
| 105 #else | |
| 106 #define EVUTIL_CLOSESOCKET(s) close(s) | |
| 107 #endif | |
| 108 | |
| 109 #ifdef WIN32 | |
| 110 #define EVUTIL_SOCKET_ERROR() WSAGetLastError() | |
| 111 #define EVUTIL_SET_SOCKET_ERROR(errcode) \ | |
| 112 do { WSASetLastError(errcode); } while (0) | |
| 113 #else | |
| 114 #define EVUTIL_SOCKET_ERROR() (errno) | |
| 115 #define EVUTIL_SET_SOCKET_ERROR(errcode) \ | |
| 116 do { errno = (errcode); } while (0) | |
| 117 #endif | |
| 118 | |
| 119 /* | |
| 120 * Manipulation functions for struct timeval | |
| 121 */ | |
| 122 #ifdef _EVENT_HAVE_TIMERADD | |
| 123 #define evutil_timeradd(tvp, uvp, vvp) timeradd((tvp), (uvp), (vvp)) | |
| 124 #define evutil_timersub(tvp, uvp, vvp) timersub((tvp), (uvp), (vvp)) | |
| 125 #else | |
| 126 #define evutil_timeradd(tvp, uvp, vvp)
\ | |
| 127 do {
\ | |
| 128 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;
\ | |
| 129 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ | |
| 130 if ((vvp)->tv_usec >= 1000000) {
\ | |
| 131 (vvp)->tv_sec++;
\ | |
| 132 (vvp)->tv_usec -= 1000000;
\ | |
| 133 }
\ | |
| 134 } while (0) | |
| 135 #define evutil_timersub(tvp, uvp, vvp)
\ | |
| 136 do {
\ | |
| 137 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ | |
| 138 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ | |
| 139 if ((vvp)->tv_usec < 0) {
\ | |
| 140 (vvp)->tv_sec--;
\ | |
| 141 (vvp)->tv_usec += 1000000;
\ | |
| 142 }
\ | |
| 143 } while (0) | |
| 144 #endif /* !_EVENT_HAVE_HAVE_TIMERADD */ | |
| 145 | |
| 146 #ifdef _EVENT_HAVE_TIMERCLEAR | |
| 147 #define evutil_timerclear(tvp) timerclear(tvp) | |
| 148 #else | |
| 149 #define evutil_timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 | |
| 150 #endif | |
| 151 | |
| 152 #define evutil_timercmp(tvp, uvp, cmp)
\ | |
| 153 (((tvp)->tv_sec == (uvp)->tv_sec) ?
\ | |
| 154 ((tvp)->tv_usec cmp (uvp)->tv_usec) :
\ | |
| 155 ((tvp)->tv_sec cmp (uvp)->tv_sec)) | |
| 156 | |
| 157 #ifdef _EVENT_HAVE_TIMERISSET | |
| 158 #define evutil_timerisset(tvp) timerisset(tvp) | |
| 159 #else | |
| 160 #define evutil_timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) | |
| 161 #endif | |
| 162 | |
| 163 | |
| 164 /* big-int related functions */ | |
| 165 ev_int64_t evutil_strtoll(const char *s, char **endptr, int base); | |
| 166 | |
| 167 | |
| 168 #ifdef _EVENT_HAVE_GETTIMEOFDAY | |
| 169 #define evutil_gettimeofday(tv, tz) gettimeofday((tv), (tz)) | |
| 170 #else | |
| 171 struct timezone; | |
| 172 int evutil_gettimeofday(struct timeval *tv, struct timezone *tz); | |
| 173 #endif | |
| 174 | |
| 175 int evutil_snprintf(char *buf, size_t buflen, const char *format, ...) | |
| 176 #ifdef __GNUC__ | |
| 177 __attribute__((format(printf, 3, 4))) | |
| 178 #endif | |
| 179 ; | |
| 180 int evutil_vsnprintf(char *buf, size_t buflen, const char *format, va_list ap); | |
| 181 | |
| 182 #ifdef __cplusplus | |
| 183 } | |
| 184 #endif | |
| 185 | |
| 186 #endif /* _EVUTIL_H_ */ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1531573008:
move libevent into base (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master