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1 | /* |
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2 | * libev simple C++ wrapper classes |
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3 | * |
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4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
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5 | * All rights reserved. |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without modifica- |
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8 | * tion, are permitted provided that the following conditions are met: |
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9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | * Alternatively, the contents of this file may be used under the terms of |
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29 | * the GNU General Public License ("GPL") version 2 or any later version, |
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30 | * in which case the provisions of the GPL are applicable instead of |
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31 | * the above. If you wish to allow the use of your version of this file |
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32 | * only under the terms of the GPL and not to allow others to use your |
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33 | * version of this file under the BSD license, indicate your decision |
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34 | * by deleting the provisions above and replace them with the notice |
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35 | * and other provisions required by the GPL. If you do not delete the |
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36 | * provisions above, a recipient may use your version of this file under |
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37 | * either the BSD or the GPL. |
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38 | */ |
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39 | |
1 | #ifndef EVPP_H__ |
40 | #ifndef EVPP_H__ |
2 | #define EVPP_H__ |
41 | #define EVPP_H__ |
3 | |
42 | |
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43 | #ifdef EV_H |
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44 | # include EV_H |
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45 | #else |
4 | #include "ev.h" |
46 | # include "ev.h" |
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47 | #endif |
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48 | |
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49 | #ifndef EV_CXX_EXCEPTIONS |
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50 | #define EV_CXX_EXCEPTIONS 1 |
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51 | #endif |
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52 | |
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53 | #undef EV_THROW |
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54 | #if EV_CXX_EXCEPTIONS |
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55 | # include <stdexcept> |
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56 | # define EV_THROW(exception) throw (exception) |
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57 | #else |
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58 | # define EV_THROW(exception) |
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59 | #endif |
5 | |
60 | |
6 | namespace ev { |
61 | namespace ev { |
7 | |
62 | |
8 | template<class watcher> |
63 | typedef ev_tstamp tstamp; |
9 | class callback |
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10 | { |
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11 | struct object { }; |
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12 | |
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13 | void *obj; |
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14 | void (object::*meth)(watcher &, int); |
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15 | |
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16 | /* a proxy is a kind of recipe on how to call a specific class method */ |
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17 | struct proxy_base { |
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18 | virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int) const = 0; |
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19 | }; |
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20 | template<class O1, class O2> |
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21 | struct proxy : proxy_base { |
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22 | virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int e) const |
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23 | { |
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24 | ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<void (O2::*)(watcher &, int)>(meth))) |
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25 | (w, e); |
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26 | } |
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27 | }; |
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28 | |
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29 | proxy_base *prxy; |
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30 | |
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31 | public: |
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32 | template<class O1, class O2> |
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33 | explicit callback (O1 *object, void (O2::*method)(watcher &, int)) |
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34 | { |
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35 | static proxy<O1,O2> p; |
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36 | obj = reinterpret_cast<void *>(object); |
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37 | meth = reinterpret_cast<void (object::*)(watcher &, int)>(method); |
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38 | prxy = &p; |
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39 | } |
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40 | |
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41 | void call (watcher *w, int e) const |
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42 | { |
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43 | return prxy->call (obj, meth, *w, e); |
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44 | } |
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45 | }; |
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46 | |
64 | |
47 | enum { |
65 | enum { |
48 | UNDEF = EV_UNDEF, |
66 | UNDEF = EV_UNDEF, |
49 | NONE = EV_NONE, |
67 | NONE = EV_NONE, |
50 | READ = EV_READ, |
68 | READ = EV_READ, |
… | |
… | |
60 | FORK = EV_FORK, |
78 | FORK = EV_FORK, |
61 | EMBED = EV_EMBED, |
79 | EMBED = EV_EMBED, |
62 | ERROR = EV_ERROR, |
80 | ERROR = EV_ERROR, |
63 | }; |
81 | }; |
64 | |
82 | |
65 | typedef ev_tstamp tstamp; |
83 | enum |
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84 | { |
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85 | AUTO = EVFLAG_AUTO, |
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86 | NOENV = EVFLAG_NOENV, |
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87 | FORKCHECK = EVFLAG_FORKCHECK, |
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88 | SELECT = EVBACKEND_SELECT, |
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89 | POLL = EVBACKEND_POLL, |
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90 | EPOLL = EVBACKEND_EPOLL, |
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91 | KQUEUE = EVBACKEND_KQUEUE, |
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92 | DEVPOLL = EVBACKEND_DEVPOLL, |
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93 | PORT = EVBACKEND_PORT |
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94 | }; |
66 | |
95 | |
67 | inline ev_tstamp now (EV_P) |
96 | enum |
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97 | { |
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98 | NONBLOCK = EVLOOP_NONBLOCK, |
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99 | ONESHOT = EVLOOP_ONESHOT |
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100 | }; |
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101 | |
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102 | enum how_t |
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103 | { |
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104 | ONE = EVUNLOOP_ONE, |
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105 | ALL = EVUNLOOP_ALL |
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106 | }; |
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107 | |
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108 | #if EV_CXX_EXCEPTIONS |
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109 | struct bad_loop: std::runtime_error |
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110 | { |
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111 | bad_loop() |
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112 | : std::runtime_error("loop can't be initialized") {} |
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113 | }; |
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114 | #endif |
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115 | |
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116 | #ifdef EV_AX |
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117 | # undef EV_AX |
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118 | #endif |
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119 | |
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120 | #ifdef EV_AX_ |
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121 | # undef EV_AX_ |
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122 | #endif |
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123 | |
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124 | #if EV_MULTIPLICITY |
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125 | # define EV_AX raw_loop |
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126 | # define EV_AX_ raw_loop, |
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127 | #else |
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128 | # define EV_AX |
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129 | # define EV_AX_ |
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130 | #endif |
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131 | |
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132 | struct loop_ref |
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133 | { |
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134 | |
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135 | loop_ref (EV_P) |
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136 | #if EV_MULTIPLICITY |
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137 | EV_THROW (bad_loop) : EV_AX (EV_A) |
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138 | #endif |
68 | { |
139 | { |
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140 | #if EV_MULTIPLICIY && EV_CXX_EXCEPTIONS |
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141 | if (!EV_A) |
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142 | throw bad_loop (); |
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143 | #endif |
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144 | } |
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145 | |
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146 | bool operator== (const loop_ref &other) const EV_THROW () |
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147 | { |
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148 | #if EV_MULTIPLICITY |
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149 | return this->EV_AX == other.EV_AX; |
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150 | #else |
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151 | return true; |
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152 | #endif |
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153 | } |
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154 | |
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155 | bool operator!= (const loop_ref &other) const EV_THROW () |
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156 | { |
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157 | #if EV_MULTIPLICITY |
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158 | return ! (*this == other); |
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159 | #else |
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160 | return false; |
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161 | #endif |
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162 | } |
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163 | |
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164 | #if EV_MULTIPLICITY |
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165 | bool operator== (struct ev_loop *other) const EV_THROW () |
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166 | { |
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167 | return this->EV_AX == other; |
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168 | } |
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169 | |
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170 | bool operator!= (struct ev_loop *other) const EV_THROW () |
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171 | { |
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172 | return ! (*this == other); |
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173 | } |
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174 | |
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175 | bool operator== (const struct ev_loop *other) const EV_THROW () |
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176 | { |
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177 | return this->EV_AX == other; |
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178 | } |
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179 | |
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180 | bool operator!= (const struct ev_loop *other) const EV_THROW () |
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181 | { |
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182 | return (*this == other); |
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183 | } |
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184 | |
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185 | operator struct ev_loop * () const EV_THROW () |
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186 | { |
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187 | return EV_AX; |
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188 | } |
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189 | |
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190 | operator const struct ev_loop * () const EV_THROW () |
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191 | { |
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192 | return EV_AX; |
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193 | } |
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194 | |
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195 | bool is_default () const EV_THROW () |
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196 | { |
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197 | return EV_AX == ev_default_loop (0); |
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198 | } |
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199 | #endif |
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200 | |
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201 | void loop (int flags = 0) |
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202 | { |
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203 | ev_loop (EV_AX_ flags); |
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204 | } |
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205 | |
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206 | void unloop (how_t how = ONE) EV_THROW () |
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207 | { |
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208 | ev_unloop (EV_AX_ how); |
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209 | } |
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210 | |
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211 | void post_fork () EV_THROW () |
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212 | { |
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213 | #if EV_MULTIPLICITY |
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214 | ev_loop_fork (EV_AX); |
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215 | #else |
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216 | ev_default_fork (); |
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217 | #endif |
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218 | } |
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219 | |
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220 | unsigned int count () const EV_THROW () |
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221 | { |
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222 | return ev_loop_count (EV_AX); |
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223 | } |
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224 | |
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225 | unsigned int backend () const EV_THROW () |
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226 | { |
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227 | return ev_backend (EV_AX); |
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228 | } |
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229 | |
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230 | tstamp now () const EV_THROW () |
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231 | { |
69 | return ev_now (EV_A); |
232 | return ev_now (EV_AX); |
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233 | } |
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234 | |
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235 | void ref () EV_THROW () |
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236 | { |
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237 | ev_ref (EV_AX); |
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238 | } |
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239 | |
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240 | void unref () EV_THROW () |
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241 | { |
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242 | ev_unref (EV_AX); |
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243 | } |
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244 | |
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245 | void set_io_collect_interval (tstamp interval) EV_THROW () |
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246 | { |
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247 | ev_set_io_collect_interval (EV_AX_ interval); |
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248 | } |
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249 | |
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250 | void set_timeout_collect_interval (tstamp interval) EV_THROW () |
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251 | { |
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252 | ev_set_timeout_collect_interval (EV_AX_ interval); |
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253 | } |
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254 | |
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255 | // function callback |
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256 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) EV_THROW () |
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257 | { |
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258 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
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259 | } |
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260 | |
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261 | // method callback |
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262 | template<class K, void (K::*method)(int)> |
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263 | void once (int fd, int events, tstamp timeout, K *object) EV_THROW () |
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264 | { |
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265 | once (fd, events, timeout, method_thunk<K, method>, object); |
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266 | } |
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267 | |
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268 | template<class K, void (K::*method)(int)> |
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269 | static void method_thunk (int revents, void* arg) |
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270 | { |
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271 | K *obj = static_cast<K *>(arg); |
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272 | (obj->*method) (revents); |
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273 | } |
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274 | |
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275 | // const method callback |
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276 | template<class K, void (K::*method)(int) const> |
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277 | void once (int fd, int events, tstamp timeout, const K *object) EV_THROW () |
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278 | { |
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279 | once (fd, events, timeout, const_method_thunk<K, method>, object); |
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280 | } |
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281 | |
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282 | template<class K, void (K::*method)(int) const> |
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283 | static void const_method_thunk (int revents, void* arg) |
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284 | { |
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285 | K *obj = static_cast<K *>(arg); |
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286 | (obj->*method) (revents); |
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287 | } |
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288 | |
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289 | // simple method callback |
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290 | template<class K, void (K::*method)()> |
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291 | void once (int fd, int events, tstamp timeout, K *object) EV_THROW () |
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292 | { |
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293 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
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294 | } |
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295 | |
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296 | template<class K, void (K::*method)()> |
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297 | static void method_noargs_thunk (int revents, void* arg) |
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298 | { |
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299 | K *obj = static_cast<K *>(arg); |
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300 | (obj->*method) (); |
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301 | } |
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302 | |
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303 | // simpler function callback |
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304 | template<void (*cb)(int)> |
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305 | void once (int fd, int events, tstamp timeout) EV_THROW () |
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306 | { |
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307 | once (fd, events, timeout, simpler_func_thunk<cb>); |
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308 | } |
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309 | |
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310 | template<void (*cb)(int)> |
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311 | static void simpler_func_thunk (int revents, void* arg) |
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312 | { |
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313 | (*cb) (revents); |
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314 | } |
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315 | |
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316 | // simplest function callback |
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317 | template<void (*cb)()> |
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318 | void once (int fd, int events, tstamp timeout) EV_THROW () |
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319 | { |
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320 | once (fd, events, timeout, simplest_func_thunk<cb>); |
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321 | } |
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322 | |
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323 | template<void (*cb)()> |
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324 | static void simplest_func_thunk (int revents, void* arg) |
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325 | { |
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326 | (*cb) (); |
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327 | } |
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328 | |
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329 | void feed_fd_event (int fd, int revents) EV_THROW () |
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330 | { |
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331 | ev_feed_fd_event (EV_AX_ fd, revents); |
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332 | } |
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333 | |
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334 | void feed_signal_event (int signum) EV_THROW () |
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335 | { |
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336 | ev_feed_signal_event (EV_AX_ signum); |
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337 | } |
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338 | |
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339 | #if EV_MULTIPLICITY |
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340 | struct ev_loop* EV_AX; |
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341 | #endif |
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342 | |
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343 | }; |
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344 | |
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345 | #if EV_MULTIPLICITY |
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346 | struct dynamic_loop: loop_ref |
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347 | { |
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348 | |
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349 | dynamic_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) |
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350 | : loop_ref (ev_loop_new (flags)) |
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351 | { |
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352 | } |
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353 | |
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354 | ~dynamic_loop () EV_THROW () |
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355 | { |
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356 | ev_loop_destroy (EV_AX); |
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357 | EV_AX = 0; |
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358 | } |
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359 | |
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360 | private: |
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361 | |
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362 | dynamic_loop (const dynamic_loop &); |
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363 | |
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364 | dynamic_loop & operator= (const dynamic_loop &); |
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365 | |
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366 | }; |
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367 | #endif |
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368 | |
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369 | struct default_loop: loop_ref |
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370 | { |
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371 | |
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372 | default_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) |
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373 | #if EV_MULTIPLICITY |
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374 | : loop_ref (ev_default_loop (flags)) |
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375 | { |
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376 | } |
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377 | #else |
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378 | { |
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379 | #if EV_CXX_EXCEPTIONS |
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380 | int r = |
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381 | #endif |
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382 | ev_default_loop (flags); |
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383 | #if EV_CXX_EXCEPTIONS |
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384 | if (!r) |
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385 | throw bad_loop (); |
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386 | #endif |
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387 | } |
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388 | #endif |
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389 | |
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390 | ~default_loop () EV_THROW () |
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391 | { |
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392 | ev_default_destroy (); |
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393 | #if EV_MULTIPLICITY |
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394 | EV_AX = 0; |
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395 | #endif |
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396 | } |
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397 | |
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398 | private: |
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399 | |
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400 | default_loop (const default_loop &); |
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401 | |
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402 | default_loop & operator= (const default_loop &); |
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403 | |
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404 | }; |
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405 | |
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406 | inline loop_ref get_default_loop () EV_THROW () |
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407 | { |
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408 | #if EV_MULTIPLICITY |
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409 | return ev_default_loop (0); |
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410 | #else |
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411 | return loop_ref (); |
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412 | #endif |
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413 | } |
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414 | |
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415 | #undef EV_AX |
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416 | #undef EV_AX_ |
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417 | |
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418 | #undef EV_PX |
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419 | #undef EV_PX_ |
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420 | #if EV_MULTIPLICITY |
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421 | # define EV_PX loop_ref EV_A |
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422 | # define EV_PX_ loop_ref EV_A_ |
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423 | #else |
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424 | # define EV_PX |
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425 | # define EV_PX_ |
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426 | #endif |
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427 | |
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428 | template<class ev_watcher, class watcher> |
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429 | struct base : ev_watcher |
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430 | { |
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431 | #if EV_MULTIPLICITY |
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432 | EV_PX; |
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433 | |
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434 | void set (EV_PX) EV_THROW () |
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435 | { |
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436 | this->EV_A = EV_A; |
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437 | } |
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438 | #endif |
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439 | |
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440 | base (EV_PX) EV_THROW () |
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441 | #if EV_MULTIPLICITY |
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442 | : EV_A (EV_A) |
|
|
443 | #endif |
|
|
444 | { |
|
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445 | ev_init (this, 0); |
|
|
446 | } |
|
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447 | |
|
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448 | void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) EV_THROW () |
|
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449 | { |
|
|
450 | this->data = data; |
|
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451 | ev_set_cb (static_cast<ev_watcher *>(this), cb); |
|
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452 | } |
|
|
453 | |
|
|
454 | // method callback |
|
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455 | template<class K, void (K::*method)(watcher &w, int)> |
|
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456 | void set (K *object) EV_THROW () |
|
|
457 | { |
|
|
458 | set_ (object, method_thunk<K, method>); |
|
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459 | } |
|
|
460 | |
|
|
461 | template<class K, void (K::*method)(watcher &w, int)> |
|
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462 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
463 | { |
|
|
464 | K *obj = static_cast<K *>(w->data); |
|
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465 | (obj->*method) (*static_cast<watcher *>(w), revents); |
|
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466 | } |
|
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467 | |
|
|
468 | // const method callback |
|
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469 | template<class K, void (K::*method)(watcher &w, int) const> |
|
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470 | void set (const K *object) EV_THROW () |
|
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471 | { |
|
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472 | set_ (object, const_method_thunk<K, method>); |
|
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473 | } |
|
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474 | |
|
|
475 | template<class K, void (K::*method)(watcher &w, int) const> |
|
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476 | static void const_method_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
477 | { |
|
|
478 | K *obj = static_cast<K *>(w->data); |
|
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479 | (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents); |
|
|
480 | } |
|
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481 | |
|
|
482 | // function callback |
|
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483 | template<void (*function)(watcher &w, int)> |
|
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484 | void set (void *data = 0) EV_THROW () |
|
|
485 | { |
|
|
486 | set_ (data, function_thunk<function>); |
|
|
487 | } |
|
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488 | |
|
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489 | template<void (*function)(watcher &w, int)> |
|
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490 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
|
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491 | { |
|
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492 | function (*static_cast<watcher *>(w), revents); |
|
|
493 | } |
|
|
494 | |
|
|
495 | // simple callback |
|
|
496 | template<class K, void (K::*method)()> |
|
|
497 | void set (K *object) EV_THROW () |
|
|
498 | { |
|
|
499 | set_ (object, method_noargs_thunk<K, method>); |
|
|
500 | } |
|
|
501 | |
|
|
502 | template<class K, void (K::*method)()> |
|
|
503 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
504 | { |
|
|
505 | K *obj = static_cast<K *>(w->data); |
|
|
506 | (obj->*method) (); |
|
|
507 | } |
|
|
508 | |
|
|
509 | void operator ()(int events = EV_UNDEF) |
|
|
510 | { |
|
|
511 | return ev_cb (static_cast<ev_watcher *>(this)) |
|
|
512 | (static_cast<ev_watcher *>(this), events); |
|
|
513 | } |
|
|
514 | |
|
|
515 | bool is_active () const EV_THROW () |
|
|
516 | { |
|
|
517 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
|
|
518 | } |
|
|
519 | |
|
|
520 | bool is_pending () const EV_THROW () |
|
|
521 | { |
|
|
522 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
|
|
523 | } |
|
|
524 | |
|
|
525 | void feed_event (int revents) EV_THROW () |
|
|
526 | { |
|
|
527 | ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); |
|
|
528 | } |
|
|
529 | }; |
|
|
530 | |
|
|
531 | inline tstamp now () EV_THROW () |
|
|
532 | { |
|
|
533 | return ev_time (); |
|
|
534 | } |
|
|
535 | |
|
|
536 | inline void delay (tstamp interval) EV_THROW () |
|
|
537 | { |
|
|
538 | ev_sleep (interval); |
|
|
539 | } |
|
|
540 | |
|
|
541 | inline int version_major () EV_THROW () |
|
|
542 | { |
|
|
543 | return ev_version_major (); |
|
|
544 | } |
|
|
545 | |
|
|
546 | inline int version_minor () EV_THROW () |
|
|
547 | { |
|
|
548 | return ev_version_minor (); |
|
|
549 | } |
|
|
550 | |
|
|
551 | inline unsigned int supported_backends () EV_THROW () |
|
|
552 | { |
|
|
553 | return ev_supported_backends (); |
|
|
554 | } |
|
|
555 | |
|
|
556 | inline unsigned int recommended_backends () EV_THROW () |
|
|
557 | { |
|
|
558 | return ev_recommended_backends (); |
|
|
559 | } |
|
|
560 | |
|
|
561 | inline unsigned int embeddable_backends () EV_THROW () |
|
|
562 | { |
|
|
563 | return ev_embeddable_backends (); |
|
|
564 | } |
|
|
565 | |
|
|
566 | inline void set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW () |
|
|
567 | { |
|
|
568 | ev_set_allocator (cb); |
|
|
569 | } |
|
|
570 | |
|
|
571 | inline void set_syserr_cb (void (*cb)(const char *msg)) EV_THROW () |
|
|
572 | { |
|
|
573 | ev_set_syserr_cb (cb); |
70 | } |
574 | } |
71 | |
575 | |
72 | #if EV_MULTIPLICITY |
576 | #if EV_MULTIPLICITY |
73 | |
577 | #define EV_CONSTRUCT(cppstem,cstem) \ |
74 | #define EV_CONSTRUCT(cppstem) \ |
578 | (EV_PX = get_default_loop ()) EV_THROW () \ |
75 | EV_P; \ |
579 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
76 | \ |
|
|
77 | void set (EV_P) \ |
|
|
78 | { \ |
580 | { \ |
79 | this->EV_A = EV_A; \ |
581 | } |
80 | } \ |
|
|
81 | \ |
|
|
82 | template<class O1, class O2> \ |
|
|
83 | explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int), EV_P = ev_default_loop (0)) \ |
|
|
84 | : callback<cppstem> (object, method), EV_A (EV_A) |
|
|
85 | |
|
|
86 | #else |
582 | #else |
87 | |
583 | #define EV_CONSTRUCT(cppstem,cstem) \ |
88 | #define EV_CONSTRUCT(cppstem) \ |
584 | () EV_THROW () \ |
89 | template<class O1, class O2> \ |
585 | { \ |
90 | explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ |
586 | } |
91 | : callback<cppstem> (object, method) |
|
|
92 | |
|
|
93 | #endif |
587 | #endif |
94 | |
588 | |
95 | /* using a template here would require quite a bit more lines, |
589 | /* using a template here would require quite a bit more lines, |
96 | * so a macro solution was chosen */ |
590 | * so a macro solution was chosen */ |
97 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
591 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
98 | \ |
592 | \ |
99 | struct cppstem : ev_ ## cstem, callback<cppstem> \ |
593 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
100 | { \ |
594 | { \ |
101 | EV_CONSTRUCT (cppstem) \ |
|
|
102 | { \ |
|
|
103 | ev_init (static_cast<ev_ ## cstem *>(this), thunk); \ |
|
|
104 | } \ |
|
|
105 | \ |
|
|
106 | bool is_active () const \ |
|
|
107 | { \ |
|
|
108 | return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \ |
|
|
109 | } \ |
|
|
110 | \ |
|
|
111 | bool is_pending () const \ |
|
|
112 | { \ |
|
|
113 | return ev_is_pending (static_cast<const ev_ ## cstem *>(this)); \ |
|
|
114 | } \ |
|
|
115 | \ |
|
|
116 | void start () \ |
595 | void start () EV_THROW () \ |
117 | { \ |
596 | { \ |
118 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
597 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
119 | } \ |
598 | } \ |
120 | \ |
599 | \ |
121 | void stop () \ |
600 | void stop () EV_THROW () \ |
122 | { \ |
601 | { \ |
123 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
602 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
124 | } \ |
603 | } \ |
125 | \ |
604 | \ |
126 | void operator ()(int events = EV_UNDEF) \ |
605 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
127 | { \ |
606 | \ |
128 | return call (this, events); \ |
|
|
129 | } \ |
|
|
130 | \ |
|
|
131 | ~cppstem () \ |
607 | ~cppstem () EV_THROW () \ |
132 | { \ |
608 | { \ |
133 | stop (); \ |
609 | stop (); \ |
134 | } \ |
610 | } \ |
135 | \ |
611 | \ |
|
|
612 | using base<ev_ ## cstem, cppstem>::set; \ |
|
|
613 | \ |
136 | private: \ |
614 | private: \ |
137 | \ |
615 | \ |
138 | cppstem (const cppstem &o) \ |
616 | cppstem (const cppstem &o); \ |
139 | : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ |
|
|
140 | { /* disabled */ } \ |
|
|
141 | \ |
|
|
142 | void operator =(const cppstem &o) { /* disabled */ } \ |
|
|
143 | \ |
|
|
144 | static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \ |
|
|
145 | { \ |
617 | \ |
146 | (*static_cast<cppstem *>(w))(revents); \ |
618 | cppstem & operator =(const cppstem &o); \ |
147 | } \ |
|
|
148 | \ |
619 | \ |
149 | public: |
620 | public: |
150 | |
621 | |
151 | #define EV_END_WATCHER(cppstem,cstem) \ |
622 | #define EV_END_WATCHER(cppstem,cstem) \ |
152 | }; |
623 | }; |
153 | |
624 | |
154 | EV_BEGIN_WATCHER (io, io) |
625 | EV_BEGIN_WATCHER (io, io) |
155 | void set (int fd, int events) |
626 | void set (int fd, int events) EV_THROW () |
156 | { |
627 | { |
157 | int active = is_active (); |
628 | int active = is_active (); |
158 | if (active) stop (); |
629 | if (active) stop (); |
159 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
630 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
160 | if (active) start (); |
631 | if (active) start (); |
161 | } |
632 | } |
162 | |
633 | |
163 | void set (int events) |
634 | void set (int events) EV_THROW () |
164 | { |
635 | { |
165 | int active = is_active (); |
636 | int active = is_active (); |
166 | if (active) stop (); |
637 | if (active) stop (); |
167 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
638 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
168 | if (active) start (); |
639 | if (active) start (); |
169 | } |
640 | } |
170 | |
641 | |
171 | void start (int fd, int events) |
642 | void start (int fd, int events) EV_THROW () |
172 | { |
643 | { |
173 | set (fd, events); |
644 | set (fd, events); |
174 | start (); |
645 | start (); |
175 | } |
646 | } |
176 | EV_END_WATCHER (io, io) |
647 | EV_END_WATCHER (io, io) |
177 | |
648 | |
178 | EV_BEGIN_WATCHER (timer, timer) |
649 | EV_BEGIN_WATCHER (timer, timer) |
179 | void set (ev_tstamp after, ev_tstamp repeat = 0.) |
650 | void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_THROW () |
180 | { |
651 | { |
181 | int active = is_active (); |
652 | int active = is_active (); |
182 | if (active) stop (); |
653 | if (active) stop (); |
183 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
654 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
184 | if (active) start (); |
655 | if (active) start (); |
185 | } |
656 | } |
186 | |
657 | |
187 | void start (ev_tstamp after, ev_tstamp repeat = 0.) |
658 | void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_THROW () |
188 | { |
659 | { |
189 | set (after, repeat); |
660 | set (after, repeat); |
190 | start (); |
661 | start (); |
191 | } |
662 | } |
192 | |
663 | |
193 | void again () |
664 | void again () EV_THROW () |
194 | { |
665 | { |
195 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
666 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
196 | } |
667 | } |
197 | EV_END_WATCHER (timer, timer) |
668 | EV_END_WATCHER (timer, timer) |
198 | |
669 | |
199 | #if EV_PERIODIC_ENABLE |
670 | #if EV_PERIODIC_ENABLE |
200 | EV_BEGIN_WATCHER (periodic, periodic) |
671 | EV_BEGIN_WATCHER (periodic, periodic) |
201 | void set (ev_tstamp at, ev_tstamp interval = 0.) |
672 | void set (ev_tstamp at, ev_tstamp interval = 0.) EV_THROW () |
202 | { |
673 | { |
203 | int active = is_active (); |
674 | int active = is_active (); |
204 | if (active) stop (); |
675 | if (active) stop (); |
205 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
676 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
206 | if (active) start (); |
677 | if (active) start (); |
207 | } |
678 | } |
208 | |
679 | |
209 | void start (ev_tstamp at, ev_tstamp interval = 0.) |
680 | void start (ev_tstamp at, ev_tstamp interval = 0.) EV_THROW () |
210 | { |
681 | { |
211 | set (at, interval); |
682 | set (at, interval); |
212 | start (); |
683 | start (); |
213 | } |
684 | } |
214 | |
685 | |
215 | void again () |
686 | void again () EV_THROW () |
216 | { |
687 | { |
217 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
688 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
218 | } |
689 | } |
219 | EV_END_WATCHER (periodic, periodic) |
690 | EV_END_WATCHER (periodic, periodic) |
220 | #endif |
691 | #endif |
221 | |
692 | |
222 | EV_BEGIN_WATCHER (sig, signal) |
693 | EV_BEGIN_WATCHER (sig, signal) |
223 | void set (int signum) |
694 | void set (int signum) EV_THROW () |
224 | { |
695 | { |
225 | int active = is_active (); |
696 | int active = is_active (); |
226 | if (active) stop (); |
697 | if (active) stop (); |
227 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
698 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
228 | if (active) start (); |
699 | if (active) start (); |
229 | } |
700 | } |
230 | |
701 | |
231 | void start (int signum) |
702 | void start (int signum) EV_THROW () |
232 | { |
703 | { |
233 | set (signum); |
704 | set (signum); |
234 | start (); |
705 | start (); |
235 | } |
706 | } |
236 | EV_END_WATCHER (sig, signal) |
707 | EV_END_WATCHER (sig, signal) |
237 | |
708 | |
238 | EV_BEGIN_WATCHER (child, child) |
709 | EV_BEGIN_WATCHER (child, child) |
239 | void set (int pid) |
710 | void set (int pid) EV_THROW () |
240 | { |
711 | { |
241 | int active = is_active (); |
712 | int active = is_active (); |
242 | if (active) stop (); |
713 | if (active) stop (); |
243 | ev_child_set (static_cast<ev_child *>(this), pid); |
714 | ev_child_set (static_cast<ev_child *>(this), pid); |
244 | if (active) start (); |
715 | if (active) start (); |
245 | } |
716 | } |
246 | |
717 | |
247 | void start (int pid) |
718 | void start (int pid) EV_THROW () |
248 | { |
719 | { |
249 | set (pid); |
720 | set (pid); |
250 | start (); |
721 | start (); |
251 | } |
722 | } |
252 | EV_END_WATCHER (child, child) |
723 | EV_END_WATCHER (child, child) |
253 | |
724 | |
254 | #if EV_STAT_ENABLE |
725 | #if EV_STAT_ENABLE |
255 | EV_BEGIN_WATCHER (stat, stat) |
726 | EV_BEGIN_WATCHER (stat, stat) |
256 | void set (const char *path, ev_tstamp interval = 0.) |
727 | void set (const char *path, ev_tstamp interval = 0.) EV_THROW () |
257 | { |
728 | { |
258 | int active = is_active (); |
729 | int active = is_active (); |
259 | if (active) stop (); |
730 | if (active) stop (); |
260 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
731 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
261 | if (active) start (); |
732 | if (active) start (); |
262 | } |
733 | } |
263 | |
734 | |
264 | void start (const char *path, ev_tstamp interval = 0.) |
735 | void start (const char *path, ev_tstamp interval = 0.) EV_THROW () |
265 | { |
736 | { |
|
|
737 | stop (); |
266 | set (path, interval); |
738 | set (path, interval); |
267 | start (); |
739 | start (); |
268 | } |
740 | } |
269 | |
741 | |
270 | void update () |
742 | void update () EV_THROW () |
271 | { |
743 | { |
272 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
744 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
273 | } |
745 | } |
274 | EV_END_WATCHER (stat, stat) |
746 | EV_END_WATCHER (stat, stat) |
275 | #endif |
747 | #endif |
276 | |
748 | |
277 | EV_BEGIN_WATCHER (idle, idle) |
749 | EV_BEGIN_WATCHER (idle, idle) |
278 | void set () { } |
750 | void set () EV_THROW () { } |
279 | EV_END_WATCHER (idle, idle) |
751 | EV_END_WATCHER (idle, idle) |
280 | |
752 | |
281 | EV_BEGIN_WATCHER (prepare, prepare) |
753 | EV_BEGIN_WATCHER (prepare, prepare) |
282 | void set () { } |
754 | void set () EV_THROW () { } |
283 | EV_END_WATCHER (prepare, prepare) |
755 | EV_END_WATCHER (prepare, prepare) |
284 | |
756 | |
285 | EV_BEGIN_WATCHER (check, check) |
757 | EV_BEGIN_WATCHER (check, check) |
286 | void set () { } |
758 | void set () EV_THROW () { } |
287 | EV_END_WATCHER (check, check) |
759 | EV_END_WATCHER (check, check) |
288 | |
760 | |
289 | #if EV_EMBED_ENABLE |
761 | #if EV_EMBED_ENABLE |
290 | EV_BEGIN_WATCHER (embed, embed) |
762 | EV_BEGIN_WATCHER (embed, embed) |
291 | void set (struct ev_loop *loop) |
763 | void start (struct ev_loop *embedded_loop) EV_THROW () |
292 | { |
764 | { |
293 | int active = is_active (); |
765 | stop (); |
294 | if (active) stop (); |
|
|
295 | ev_embed_set (static_cast<ev_embed *>(this), loop); |
766 | ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); |
296 | if (active) start (); |
|
|
297 | } |
|
|
298 | |
|
|
299 | void start (struct ev_loop *embedded_loop) |
|
|
300 | { |
|
|
301 | set (embedded_loop); |
|
|
302 | start (); |
767 | start (); |
303 | } |
768 | } |
304 | |
769 | |
305 | void sweep () |
770 | void sweep () |
306 | { |
771 | { |
307 | ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); |
772 | ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); |
308 | } |
773 | } |
309 | EV_END_WATCHER (embed, embed) |
774 | EV_END_WATCHER (embed, embed) |
310 | #endif |
775 | #endif |
311 | |
776 | |
|
|
777 | #if EV_FORK_ENABLE |
|
|
778 | EV_BEGIN_WATCHER (fork, fork) |
|
|
779 | void set () EV_THROW () { } |
|
|
780 | EV_END_WATCHER (fork, fork) |
|
|
781 | #endif |
|
|
782 | |
|
|
783 | #undef EV_PX |
|
|
784 | #undef EV_PX_ |
312 | #undef EV_CONSTRUCT |
785 | #undef EV_CONSTRUCT |
313 | #undef EV_BEGIN_WATCHER |
786 | #undef EV_BEGIN_WATCHER |
314 | #undef EV_END_WATCHER |
787 | #undef EV_END_WATCHER |
|
|
788 | |
315 | } |
789 | } |
316 | |
790 | |
317 | #endif |
791 | #undef EV_THROW |
318 | |
792 | |
|
|
793 | #endif |
|
|
794 | |