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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) 2007,2008,2010,2018,2020 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_USE_STDEXCEPT |
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50 | # define EV_USE_STDEXCEPT 1 |
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51 | #endif |
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52 | |
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53 | #if EV_USE_STDEXCEPT |
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54 | # include <stdexcept> |
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55 | #endif |
5 | |
56 | |
6 | namespace ev { |
57 | namespace ev { |
7 | |
58 | |
8 | template<class watcher> |
59 | typedef ev_tstamp tstamp; |
9 | class callback |
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10 | { |
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11 | struct klass; // it is vital that this is never defined |
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12 | |
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13 | klass *o; |
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14 | void (klass::*m)(watcher &, int); |
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15 | |
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16 | public: |
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17 | template<class O1, class O2> |
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18 | explicit callback (O1 *object, void (O2::*method)(watcher &, int)) |
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19 | { |
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20 | o = reinterpret_cast<klass *>(object); |
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21 | m = reinterpret_cast<void (klass::*)(watcher &, int)>(method); |
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22 | } |
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23 | |
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24 | // this works because a standards-compliant C++ compiler |
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25 | // basically can't help it: it doesn't have the knowledge |
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26 | // required to miscompile (klass is not defined anywhere |
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27 | // and nothing is known about the constructor arguments) :) |
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28 | void call (watcher *w, int revents) |
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29 | { |
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30 | (o->*m) (*w, revents); |
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31 | } |
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32 | }; |
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33 | |
60 | |
34 | enum { |
61 | enum { |
35 | UNDEF = EV_UNDEF, |
62 | UNDEF = EV_UNDEF, |
36 | NONE = EV_NONE, |
63 | NONE = EV_NONE, |
37 | READ = EV_READ, |
64 | READ = EV_READ, |
38 | WRITE = EV_WRITE, |
65 | WRITE = EV_WRITE, |
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66 | #if EV_COMPAT3 |
39 | TIMEOUT = EV_TIMEOUT, |
67 | TIMEOUT = EV_TIMEOUT, |
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68 | #endif |
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69 | TIMER = EV_TIMER, |
40 | PERIODIC = EV_PERIODIC, |
70 | PERIODIC = EV_PERIODIC, |
41 | SIGNAL = EV_SIGNAL, |
71 | SIGNAL = EV_SIGNAL, |
42 | CHILD = EV_CHILD, |
72 | CHILD = EV_CHILD, |
43 | STAT = EV_STAT, |
73 | STAT = EV_STAT, |
44 | IDLE = EV_IDLE, |
74 | IDLE = EV_IDLE, |
45 | CHECK = EV_CHECK, |
75 | CHECK = EV_CHECK, |
46 | PREPARE = EV_PREPARE, |
76 | PREPARE = EV_PREPARE, |
47 | FORK = EV_FORK, |
77 | FORK = EV_FORK, |
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78 | ASYNC = EV_ASYNC, |
48 | EMBED = EV_EMBED, |
79 | EMBED = EV_EMBED, |
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80 | # undef ERROR // some systems stupidly #define ERROR |
49 | ERROR = EV_ERROR, |
81 | ERROR = EV_ERROR |
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82 | }; |
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83 | |
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84 | enum |
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85 | { |
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86 | AUTO = EVFLAG_AUTO, |
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87 | NOENV = EVFLAG_NOENV, |
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88 | FORKCHECK = EVFLAG_FORKCHECK, |
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89 | |
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90 | SELECT = EVBACKEND_SELECT, |
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91 | POLL = EVBACKEND_POLL, |
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92 | EPOLL = EVBACKEND_EPOLL, |
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93 | KQUEUE = EVBACKEND_KQUEUE, |
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94 | DEVPOLL = EVBACKEND_DEVPOLL, |
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95 | PORT = EVBACKEND_PORT |
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96 | }; |
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97 | |
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98 | enum |
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99 | { |
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100 | #if EV_COMPAT3 |
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101 | NONBLOCK = EVLOOP_NONBLOCK, |
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102 | ONESHOT = EVLOOP_ONESHOT, |
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103 | #endif |
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104 | NOWAIT = EVRUN_NOWAIT, |
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105 | ONCE = EVRUN_ONCE |
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106 | }; |
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107 | |
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108 | enum how_t |
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109 | { |
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110 | ONE = EVBREAK_ONE, |
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111 | ALL = EVBREAK_ALL |
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112 | }; |
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113 | |
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114 | struct bad_loop |
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115 | #if EV_USE_STDEXCEPT |
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116 | : std::exception |
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117 | #endif |
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118 | { |
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119 | #if EV_USE_STDEXCEPT |
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120 | const char *what () const EV_NOEXCEPT |
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121 | { |
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122 | return "libev event loop cannot be initialized, bad value of LIBEV_FLAGS?"; |
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123 | } |
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124 | #endif |
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125 | }; |
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126 | |
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127 | #ifdef EV_AX |
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128 | # undef EV_AX |
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129 | #endif |
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130 | |
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131 | #ifdef EV_AX_ |
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132 | # undef EV_AX_ |
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133 | #endif |
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134 | |
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135 | #if EV_MULTIPLICITY |
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136 | # define EV_AX raw_loop |
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137 | # define EV_AX_ raw_loop, |
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138 | #else |
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139 | # define EV_AX |
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140 | # define EV_AX_ |
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141 | #endif |
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142 | |
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143 | struct loop_ref |
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144 | { |
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145 | loop_ref (EV_P) EV_NOEXCEPT |
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146 | #if EV_MULTIPLICITY |
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147 | : EV_AX (EV_A) |
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148 | #endif |
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149 | { |
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150 | } |
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151 | |
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152 | bool operator == (const loop_ref &other) const EV_NOEXCEPT |
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153 | { |
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154 | #if EV_MULTIPLICITY |
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155 | return EV_AX == other.EV_AX; |
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156 | #else |
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157 | return true; |
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158 | #endif |
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159 | } |
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160 | |
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161 | bool operator != (const loop_ref &other) const EV_NOEXCEPT |
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162 | { |
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163 | #if EV_MULTIPLICITY |
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164 | return ! (*this == other); |
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165 | #else |
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166 | return false; |
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167 | #endif |
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168 | } |
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169 | |
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170 | #if EV_MULTIPLICITY |
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171 | bool operator == (const EV_P) const EV_NOEXCEPT |
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172 | { |
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173 | return this->EV_AX == EV_A; |
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174 | } |
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175 | |
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176 | bool operator != (const EV_P) const EV_NOEXCEPT |
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177 | { |
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178 | return ! (*this == EV_A); |
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179 | } |
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180 | |
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181 | operator struct ev_loop * () const EV_NOEXCEPT |
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182 | { |
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183 | return EV_AX; |
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184 | } |
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185 | |
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186 | operator const struct ev_loop * () const EV_NOEXCEPT |
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187 | { |
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188 | return EV_AX; |
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189 | } |
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190 | |
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191 | bool is_default () const EV_NOEXCEPT |
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192 | { |
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193 | return EV_AX == ev_default_loop (0); |
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194 | } |
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195 | #endif |
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196 | |
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197 | #if EV_COMPAT3 |
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198 | void loop (int flags = 0) |
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199 | { |
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200 | ev_run (EV_AX_ flags); |
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201 | } |
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202 | |
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203 | void unloop (how_t how = ONE) EV_NOEXCEPT |
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204 | { |
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205 | ev_break (EV_AX_ how); |
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206 | } |
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207 | #endif |
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208 | |
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209 | void run (int flags = 0) |
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210 | { |
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211 | ev_run (EV_AX_ flags); |
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212 | } |
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213 | |
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214 | void break_loop (how_t how = ONE) EV_NOEXCEPT |
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215 | { |
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216 | ev_break (EV_AX_ how); |
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217 | } |
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218 | |
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219 | void post_fork () EV_NOEXCEPT |
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220 | { |
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221 | ev_loop_fork (EV_AX); |
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222 | } |
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223 | |
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224 | unsigned int backend () const EV_NOEXCEPT |
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225 | { |
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226 | return ev_backend (EV_AX); |
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227 | } |
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228 | |
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229 | tstamp now () const EV_NOEXCEPT |
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230 | { |
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231 | return ev_now (EV_AX); |
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232 | } |
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233 | |
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234 | void ref () EV_NOEXCEPT |
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235 | { |
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236 | ev_ref (EV_AX); |
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237 | } |
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238 | |
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239 | void unref () EV_NOEXCEPT |
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240 | { |
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241 | ev_unref (EV_AX); |
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242 | } |
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243 | |
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244 | #if EV_FEATURE_API |
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245 | unsigned int iteration () const EV_NOEXCEPT |
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246 | { |
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247 | return ev_iteration (EV_AX); |
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248 | } |
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249 | |
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250 | unsigned int depth () const EV_NOEXCEPT |
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251 | { |
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252 | return ev_depth (EV_AX); |
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253 | } |
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254 | |
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255 | void set_io_collect_interval (tstamp interval) EV_NOEXCEPT |
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256 | { |
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257 | ev_set_io_collect_interval (EV_AX_ interval); |
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258 | } |
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259 | |
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260 | void set_timeout_collect_interval (tstamp interval) EV_NOEXCEPT |
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261 | { |
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262 | ev_set_timeout_collect_interval (EV_AX_ interval); |
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263 | } |
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264 | #endif |
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265 | |
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266 | // function callback |
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267 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) EV_NOEXCEPT |
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268 | { |
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269 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
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270 | } |
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271 | |
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272 | // method callback |
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273 | template<class K, void (K::*method)(int)> |
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274 | void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT |
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275 | { |
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276 | once (fd, events, timeout, method_thunk<K, method>, object); |
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277 | } |
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278 | |
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279 | // default method == operator () |
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280 | template<class K> |
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281 | void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT |
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282 | { |
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283 | once (fd, events, timeout, method_thunk<K, &K::operator ()>, object); |
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284 | } |
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285 | |
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286 | template<class K, void (K::*method)(int)> |
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287 | static void method_thunk (int revents, void *arg) |
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288 | { |
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289 | (static_cast<K *>(arg)->*method) |
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290 | (revents); |
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291 | } |
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292 | |
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293 | // no-argument method callback |
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294 | template<class K, void (K::*method)()> |
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295 | void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT |
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296 | { |
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297 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
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298 | } |
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299 | |
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300 | template<class K, void (K::*method)()> |
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301 | static void method_noargs_thunk (int revents, void *arg) |
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302 | { |
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303 | (static_cast<K *>(arg)->*method) |
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304 | (); |
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305 | } |
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306 | |
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307 | // simpler function callback |
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308 | template<void (*cb)(int)> |
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309 | void once (int fd, int events, tstamp timeout) EV_NOEXCEPT |
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310 | { |
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311 | once (fd, events, timeout, simpler_func_thunk<cb>); |
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312 | } |
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313 | |
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314 | template<void (*cb)(int)> |
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315 | static void simpler_func_thunk (int revents, void *arg) |
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316 | { |
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317 | (*cb) |
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318 | (revents); |
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319 | } |
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320 | |
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321 | // simplest function callback |
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322 | template<void (*cb)()> |
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323 | void once (int fd, int events, tstamp timeout) EV_NOEXCEPT |
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324 | { |
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325 | once (fd, events, timeout, simplest_func_thunk<cb>); |
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326 | } |
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327 | |
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328 | template<void (*cb)()> |
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329 | static void simplest_func_thunk (int revents, void *arg) |
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330 | { |
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331 | (*cb) |
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332 | (); |
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333 | } |
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334 | |
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335 | void feed_fd_event (int fd, int revents) EV_NOEXCEPT |
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336 | { |
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337 | ev_feed_fd_event (EV_AX_ fd, revents); |
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338 | } |
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339 | |
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340 | void feed_signal_event (int signum) EV_NOEXCEPT |
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341 | { |
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342 | ev_feed_signal_event (EV_AX_ signum); |
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343 | } |
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344 | |
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345 | #if EV_MULTIPLICITY |
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346 | struct ev_loop* EV_AX; |
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347 | #endif |
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348 | |
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349 | }; |
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350 | |
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351 | #if EV_MULTIPLICITY |
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352 | struct dynamic_loop : loop_ref |
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353 | { |
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354 | |
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355 | dynamic_loop (unsigned int flags = AUTO) |
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356 | : loop_ref (ev_loop_new (flags)) |
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357 | { |
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358 | if (!EV_AX) |
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359 | throw bad_loop (); |
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360 | } |
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361 | |
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362 | ~dynamic_loop () EV_NOEXCEPT |
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363 | { |
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364 | ev_loop_destroy (EV_AX); |
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365 | EV_AX = 0; |
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366 | } |
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367 | |
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368 | private: |
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369 | |
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370 | dynamic_loop (const dynamic_loop &); |
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371 | |
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372 | dynamic_loop & operator= (const dynamic_loop &); |
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373 | |
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374 | }; |
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375 | #endif |
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376 | |
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377 | struct default_loop : loop_ref |
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378 | { |
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379 | default_loop (unsigned int flags = AUTO) |
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380 | #if EV_MULTIPLICITY |
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381 | : loop_ref (ev_default_loop (flags)) |
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382 | #endif |
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383 | { |
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384 | if ( |
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385 | #if EV_MULTIPLICITY |
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386 | !EV_AX |
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387 | #else |
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388 | !ev_default_loop (flags) |
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389 | #endif |
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390 | ) |
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391 | throw bad_loop (); |
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392 | } |
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393 | |
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394 | private: |
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395 | default_loop (const default_loop &); |
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396 | default_loop &operator = (const default_loop &); |
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397 | }; |
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398 | |
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399 | inline loop_ref get_default_loop () EV_NOEXCEPT |
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400 | { |
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401 | #if EV_MULTIPLICITY |
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402 | return ev_default_loop (0); |
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403 | #else |
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404 | return loop_ref (); |
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405 | #endif |
50 | }; |
406 | } |
51 | |
407 | |
52 | typedef ev_tstamp tstamp; |
408 | #undef EV_AX |
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409 | #undef EV_AX_ |
53 | |
410 | |
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411 | #undef EV_PX |
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412 | #undef EV_PX_ |
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413 | #if EV_MULTIPLICITY |
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414 | # define EV_PX loop_ref EV_A |
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415 | # define EV_PX_ loop_ref EV_A_ |
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416 | #else |
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417 | # define EV_PX |
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418 | # define EV_PX_ |
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419 | #endif |
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420 | |
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421 | template<class ev_watcher, class watcher> |
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422 | struct base : ev_watcher |
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423 | { |
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424 | // scoped pause/unpause of a watcher |
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425 | struct freeze_guard |
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426 | { |
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427 | watcher &w; |
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428 | bool active; |
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429 | |
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430 | freeze_guard (watcher *self) EV_NOEXCEPT |
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431 | : w (*self), active (w.is_active ()) |
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432 | { |
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433 | if (active) w.stop (); |
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434 | } |
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435 | |
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436 | ~freeze_guard () |
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437 | { |
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438 | if (active) w.start (); |
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439 | } |
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440 | }; |
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441 | |
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442 | #if EV_MULTIPLICITY |
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443 | EV_PX; |
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444 | |
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445 | // loop set |
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446 | void set (EV_P) EV_NOEXCEPT |
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447 | { |
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448 | this->EV_A = EV_A; |
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449 | } |
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450 | #endif |
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451 | |
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452 | base (EV_PX) EV_NOEXCEPT |
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453 | #if EV_MULTIPLICITY |
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454 | : EV_A (EV_A) |
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455 | #endif |
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456 | { |
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457 | ev_init (this, 0); |
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458 | } |
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459 | |
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460 | void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) EV_NOEXCEPT |
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461 | { |
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462 | this->data = (void *)data; |
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463 | ev_set_cb (static_cast<ev_watcher *>(this), cb); |
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464 | } |
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465 | |
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466 | // function callback |
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467 | template<void (*function)(watcher &w, int)> |
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468 | void set (void *data = 0) EV_NOEXCEPT |
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469 | { |
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470 | set_ (data, function_thunk<function>); |
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471 | } |
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472 | |
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473 | template<void (*function)(watcher &w, int)> |
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474 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
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475 | { |
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476 | function |
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477 | (*static_cast<watcher *>(w), revents); |
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478 | } |
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479 | |
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480 | // method callback |
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481 | template<class K, void (K::*method)(watcher &w, int)> |
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482 | void set (K *object) EV_NOEXCEPT |
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483 | { |
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484 | set_ (object, method_thunk<K, method>); |
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485 | } |
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486 | |
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487 | // default method == operator () |
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488 | template<class K> |
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489 | void set (K *object) EV_NOEXCEPT |
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490 | { |
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491 | set_ (object, method_thunk<K, &K::operator ()>); |
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492 | } |
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493 | |
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494 | template<class K, void (K::*method)(watcher &w, int)> |
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495 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
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496 | { |
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497 | (static_cast<K *>(w->data)->*method) |
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498 | (*static_cast<watcher *>(w), revents); |
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499 | } |
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500 | |
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501 | // no-argument callback |
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502 | template<class K, void (K::*method)()> |
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503 | void set (K *object) EV_NOEXCEPT |
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504 | { |
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505 | set_ (object, method_noargs_thunk<K, method>); |
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506 | } |
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507 | |
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508 | template<class K, void (K::*method)()> |
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509 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
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510 | { |
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511 | (static_cast<K *>(w->data)->*method) |
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512 | (); |
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513 | } |
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514 | |
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515 | void operator ()(int events = EV_UNDEF) |
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516 | { |
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517 | return |
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518 | ev_cb (static_cast<ev_watcher *>(this)) |
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519 | (static_cast<ev_watcher *>(this), events); |
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520 | } |
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521 | |
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522 | bool is_active () const EV_NOEXCEPT |
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523 | { |
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524 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
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525 | } |
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526 | |
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527 | bool is_pending () const EV_NOEXCEPT |
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528 | { |
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529 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
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530 | } |
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531 | |
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532 | void feed_event (int revents) EV_NOEXCEPT |
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533 | { |
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534 | ev_feed_event (EV_A_ static_cast<ev_watcher *>(this), revents); |
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535 | } |
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536 | }; |
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537 | |
54 | inline ev_tstamp now (EV_P) |
538 | inline tstamp now (EV_P) EV_NOEXCEPT |
55 | { |
539 | { |
56 | return ev_now (EV_A); |
540 | return ev_now (EV_A); |
57 | } |
541 | } |
58 | |
542 | |
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543 | inline void delay (tstamp interval) EV_NOEXCEPT |
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544 | { |
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545 | ev_sleep (interval); |
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546 | } |
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547 | |
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548 | inline int version_major () EV_NOEXCEPT |
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549 | { |
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550 | return ev_version_major (); |
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551 | } |
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552 | |
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553 | inline int version_minor () EV_NOEXCEPT |
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554 | { |
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555 | return ev_version_minor (); |
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556 | } |
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557 | |
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558 | inline unsigned int supported_backends () EV_NOEXCEPT |
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559 | { |
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560 | return ev_supported_backends (); |
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561 | } |
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562 | |
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563 | inline unsigned int recommended_backends () EV_NOEXCEPT |
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564 | { |
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565 | return ev_recommended_backends (); |
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566 | } |
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567 | |
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568 | inline unsigned int embeddable_backends () EV_NOEXCEPT |
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569 | { |
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570 | return ev_embeddable_backends (); |
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571 | } |
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572 | |
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573 | inline void set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
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574 | { |
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575 | ev_set_allocator (cb); |
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576 | } |
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577 | |
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578 | inline void set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
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579 | { |
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580 | ev_set_syserr_cb (cb); |
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581 | } |
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582 | |
59 | #if EV_MULTIPLICITY |
583 | #if EV_MULTIPLICITY |
60 | |
584 | #define EV_CONSTRUCT(cppstem,cstem) \ |
61 | #define EV_CONSTRUCT(cppstem) \ |
585 | (EV_PX = get_default_loop ()) EV_NOEXCEPT \ |
62 | EV_P; \ |
586 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
63 | \ |
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64 | void set (EV_P) \ |
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65 | { \ |
587 | { \ |
66 | this->EV_A = EV_A; \ |
588 | } |
67 | } \ |
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68 | \ |
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69 | template<class O1, class O2> \ |
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70 | explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int), EV_P = ev_default_loop (0)) \ |
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71 | : callback<cppstem> (object, method), EV_A (EV_A) |
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72 | |
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73 | #else |
589 | #else |
74 | |
590 | #define EV_CONSTRUCT(cppstem,cstem) \ |
75 | #define EV_CONSTRUCT(cppstem) \ |
591 | () EV_NOEXCEPT \ |
76 | template<class O1, class O2> \ |
592 | { \ |
77 | explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ |
593 | } |
78 | : callback<cppstem> (object, method) |
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|
79 | |
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|
80 | #endif |
594 | #endif |
81 | |
595 | |
82 | /* using a template here would require quite a bit more lines, |
596 | /* using a template here would require quite a few more lines, |
83 | * so a macro solution was chosen */ |
597 | * so a macro solution was chosen */ |
84 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
598 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
85 | \ |
599 | \ |
86 | struct cppstem : ev_ ## cstem, callback<cppstem> \ |
600 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
87 | { \ |
601 | { \ |
88 | EV_CONSTRUCT (cppstem) \ |
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|
89 | { \ |
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90 | ev_init (static_cast<ev_ ## cstem *>(this), thunk); \ |
|
|
91 | } \ |
|
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92 | \ |
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93 | bool is_active () const \ |
|
|
94 | { \ |
|
|
95 | return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \ |
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96 | } \ |
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97 | \ |
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98 | bool is_pending () const \ |
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|
99 | { \ |
|
|
100 | return ev_is_pending (static_cast<const ev_ ## cstem *>(this)); \ |
|
|
101 | } \ |
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102 | \ |
|
|
103 | void start () \ |
602 | void start () EV_NOEXCEPT \ |
104 | { \ |
603 | { \ |
105 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
604 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
106 | } \ |
605 | } \ |
107 | \ |
606 | \ |
108 | void stop () \ |
607 | void stop () EV_NOEXCEPT \ |
109 | { \ |
608 | { \ |
110 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
609 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
111 | } \ |
610 | } \ |
112 | \ |
611 | \ |
113 | void operator ()(int events = EV_UNDEF) \ |
612 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
114 | { \ |
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|
115 | return call (this, events); \ |
|
|
116 | } \ |
|
|
117 | \ |
613 | \ |
118 | ~cppstem () \ |
614 | ~cppstem () EV_NOEXCEPT \ |
119 | { \ |
615 | { \ |
120 | stop (); \ |
616 | stop (); \ |
121 | } \ |
617 | } \ |
122 | \ |
618 | \ |
|
|
619 | using base<ev_ ## cstem, cppstem>::set; \ |
|
|
620 | \ |
123 | private: \ |
621 | private: \ |
124 | \ |
622 | \ |
125 | cppstem (const cppstem &o) \ |
623 | cppstem (const cppstem &o); \ |
126 | : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ |
|
|
127 | { /* disabled */ } \ |
|
|
128 | \ |
624 | \ |
129 | void operator =(const cppstem &o) { /* disabled */ } \ |
625 | cppstem &operator =(const cppstem &o); \ |
130 | \ |
|
|
131 | static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \ |
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|
132 | { \ |
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|
133 | (*static_cast<cppstem *>(w))(revents); \ |
|
|
134 | } \ |
|
|
135 | \ |
626 | \ |
136 | public: |
627 | public: |
137 | |
628 | |
138 | #define EV_END_WATCHER(cppstem,cstem) \ |
629 | #define EV_END_WATCHER(cppstem,cstem) \ |
139 | }; |
630 | }; |
140 | |
631 | |
141 | EV_BEGIN_WATCHER (io, io) |
632 | EV_BEGIN_WATCHER (io, io) |
142 | void set (int fd, int events) |
633 | void set (int fd, int events) EV_NOEXCEPT |
143 | { |
634 | { |
144 | int active = is_active (); |
635 | freeze_guard freeze (this); |
145 | if (active) stop (); |
|
|
146 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
636 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
147 | if (active) start (); |
|
|
148 | } |
637 | } |
149 | |
638 | |
150 | void set (int events) |
639 | void set (int events) EV_NOEXCEPT |
151 | { |
640 | { |
152 | int active = is_active (); |
641 | freeze_guard freeze (this); |
153 | if (active) stop (); |
|
|
154 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
642 | ev_io_modify (static_cast<ev_io *>(this), events); |
155 | if (active) start (); |
|
|
156 | } |
643 | } |
157 | |
644 | |
158 | void start (int fd, int events) |
645 | void start (int fd, int events) EV_NOEXCEPT |
159 | { |
646 | { |
160 | set (fd, events); |
647 | set (fd, events); |
161 | start (); |
648 | start (); |
162 | } |
649 | } |
163 | EV_END_WATCHER (io, io) |
650 | EV_END_WATCHER (io, io) |
164 | |
651 | |
165 | EV_BEGIN_WATCHER (timer, timer) |
652 | EV_BEGIN_WATCHER (timer, timer) |
166 | void set (ev_tstamp after, ev_tstamp repeat = 0.) |
653 | void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT |
167 | { |
654 | { |
168 | int active = is_active (); |
655 | freeze_guard freeze (this); |
169 | if (active) stop (); |
|
|
170 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
656 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
171 | if (active) start (); |
|
|
172 | } |
657 | } |
173 | |
658 | |
174 | void start (ev_tstamp after, ev_tstamp repeat = 0.) |
659 | void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT |
175 | { |
660 | { |
176 | set (after, repeat); |
661 | set (after, repeat); |
177 | start (); |
662 | start (); |
178 | } |
663 | } |
179 | |
664 | |
180 | void again () |
665 | void again () EV_NOEXCEPT |
181 | { |
666 | { |
182 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
667 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
|
|
668 | } |
|
|
669 | |
|
|
670 | ev_tstamp remaining () |
|
|
671 | { |
|
|
672 | return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this)); |
183 | } |
673 | } |
184 | EV_END_WATCHER (timer, timer) |
674 | EV_END_WATCHER (timer, timer) |
185 | |
675 | |
186 | #if EV_PERIODIC_ENABLE |
676 | #if EV_PERIODIC_ENABLE |
187 | EV_BEGIN_WATCHER (periodic, periodic) |
677 | EV_BEGIN_WATCHER (periodic, periodic) |
188 | void set (ev_tstamp at, ev_tstamp interval = 0.) |
678 | void set (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT |
189 | { |
679 | { |
190 | int active = is_active (); |
680 | freeze_guard freeze (this); |
191 | if (active) stop (); |
|
|
192 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
681 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
193 | if (active) start (); |
|
|
194 | } |
682 | } |
195 | |
683 | |
196 | void start (ev_tstamp at, ev_tstamp interval = 0.) |
684 | void start (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT |
197 | { |
685 | { |
198 | set (at, interval); |
686 | set (at, interval); |
199 | start (); |
687 | start (); |
200 | } |
688 | } |
201 | |
689 | |
202 | void again () |
690 | void again () EV_NOEXCEPT |
203 | { |
691 | { |
204 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
692 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
205 | } |
693 | } |
206 | EV_END_WATCHER (periodic, periodic) |
694 | EV_END_WATCHER (periodic, periodic) |
207 | #endif |
695 | #endif |
208 | |
696 | |
|
|
697 | #if EV_SIGNAL_ENABLE |
209 | EV_BEGIN_WATCHER (sig, signal) |
698 | EV_BEGIN_WATCHER (sig, signal) |
210 | void set (int signum) |
699 | void set (int signum) EV_NOEXCEPT |
211 | { |
700 | { |
212 | int active = is_active (); |
701 | freeze_guard freeze (this); |
213 | if (active) stop (); |
|
|
214 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
702 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
215 | if (active) start (); |
|
|
216 | } |
703 | } |
217 | |
704 | |
218 | void start (int signum) |
705 | void start (int signum) EV_NOEXCEPT |
219 | { |
706 | { |
220 | set (signum); |
707 | set (signum); |
221 | start (); |
708 | start (); |
222 | } |
709 | } |
223 | EV_END_WATCHER (sig, signal) |
710 | EV_END_WATCHER (sig, signal) |
|
|
711 | #endif |
224 | |
712 | |
|
|
713 | #if EV_CHILD_ENABLE |
225 | EV_BEGIN_WATCHER (child, child) |
714 | EV_BEGIN_WATCHER (child, child) |
226 | void set (int pid) |
715 | void set (int pid, int trace = 0) EV_NOEXCEPT |
227 | { |
716 | { |
228 | int active = is_active (); |
717 | freeze_guard freeze (this); |
229 | if (active) stop (); |
|
|
230 | ev_child_set (static_cast<ev_child *>(this), pid); |
718 | ev_child_set (static_cast<ev_child *>(this), pid, trace); |
231 | if (active) start (); |
|
|
232 | } |
|
|
233 | |
|
|
234 | void start (int pid) |
|
|
235 | { |
719 | } |
|
|
720 | |
|
|
721 | void start (int pid, int trace = 0) EV_NOEXCEPT |
|
|
722 | { |
236 | set (pid); |
723 | set (pid, trace); |
237 | start (); |
724 | start (); |
238 | } |
725 | } |
239 | EV_END_WATCHER (child, child) |
726 | EV_END_WATCHER (child, child) |
|
|
727 | #endif |
240 | |
728 | |
241 | #if EV_STAT_ENABLE |
729 | #if EV_STAT_ENABLE |
242 | EV_BEGIN_WATCHER (stat, stat) |
730 | EV_BEGIN_WATCHER (stat, stat) |
243 | void set (const char *path, ev_tstamp interval = 0.) |
731 | void set (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT |
244 | { |
732 | { |
245 | int active = is_active (); |
733 | freeze_guard freeze (this); |
246 | if (active) stop (); |
|
|
247 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
734 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
248 | if (active) start (); |
|
|
249 | } |
735 | } |
250 | |
736 | |
251 | void start (const char *path, ev_tstamp interval = 0.) |
737 | void start (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT |
252 | { |
738 | { |
|
|
739 | stop (); |
253 | set (path, interval); |
740 | set (path, interval); |
254 | start (); |
741 | start (); |
255 | } |
742 | } |
256 | |
743 | |
257 | void update () |
744 | void update () EV_NOEXCEPT |
258 | { |
745 | { |
259 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
746 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
260 | } |
747 | } |
261 | EV_END_WATCHER (stat, stat) |
748 | EV_END_WATCHER (stat, stat) |
262 | #endif |
749 | #endif |
263 | |
750 | |
|
|
751 | #if EV_IDLE_ENABLE |
264 | EV_BEGIN_WATCHER (idle, idle) |
752 | EV_BEGIN_WATCHER (idle, idle) |
265 | void set () { } |
753 | void set () EV_NOEXCEPT { } |
266 | EV_END_WATCHER (idle, idle) |
754 | EV_END_WATCHER (idle, idle) |
|
|
755 | #endif |
267 | |
756 | |
|
|
757 | #if EV_PREPARE_ENABLE |
268 | EV_BEGIN_WATCHER (prepare, prepare) |
758 | EV_BEGIN_WATCHER (prepare, prepare) |
269 | void set () { } |
759 | void set () EV_NOEXCEPT { } |
270 | EV_END_WATCHER (prepare, prepare) |
760 | EV_END_WATCHER (prepare, prepare) |
|
|
761 | #endif |
271 | |
762 | |
|
|
763 | #if EV_CHECK_ENABLE |
272 | EV_BEGIN_WATCHER (check, check) |
764 | EV_BEGIN_WATCHER (check, check) |
273 | void set () { } |
765 | void set () EV_NOEXCEPT { } |
274 | EV_END_WATCHER (check, check) |
766 | EV_END_WATCHER (check, check) |
|
|
767 | #endif |
275 | |
768 | |
276 | #if EV_EMBED_ENABLE |
769 | #if EV_EMBED_ENABLE |
277 | EV_BEGIN_WATCHER (embed, embed) |
770 | EV_BEGIN_WATCHER (embed, embed) |
278 | void set (struct ev_loop *loop) |
771 | void set_embed (struct ev_loop *embedded_loop) EV_NOEXCEPT |
279 | { |
772 | { |
280 | int active = is_active (); |
773 | freeze_guard freeze (this); |
281 | if (active) stop (); |
|
|
282 | ev_embed_set (static_cast<ev_embed *>(this), loop); |
774 | ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); |
283 | if (active) start (); |
|
|
284 | } |
775 | } |
285 | |
776 | |
286 | void start (struct ev_loop *embedded_loop) |
777 | void start (struct ev_loop *embedded_loop) EV_NOEXCEPT |
287 | { |
778 | { |
288 | set (embedded_loop); |
779 | set (embedded_loop); |
289 | start (); |
780 | start (); |
290 | } |
781 | } |
291 | |
782 | |
… | |
… | |
296 | EV_END_WATCHER (embed, embed) |
787 | EV_END_WATCHER (embed, embed) |
297 | #endif |
788 | #endif |
298 | |
789 | |
299 | #if EV_FORK_ENABLE |
790 | #if EV_FORK_ENABLE |
300 | EV_BEGIN_WATCHER (fork, fork) |
791 | EV_BEGIN_WATCHER (fork, fork) |
301 | void set () { } |
792 | void set () EV_NOEXCEPT { } |
302 | EV_END_WATCHER (fork, fork) |
793 | EV_END_WATCHER (fork, fork) |
303 | #endif |
794 | #endif |
304 | |
795 | |
|
|
796 | #if EV_ASYNC_ENABLE |
|
|
797 | EV_BEGIN_WATCHER (async, async) |
|
|
798 | void send () EV_NOEXCEPT |
|
|
799 | { |
|
|
800 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
|
|
801 | } |
|
|
802 | |
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803 | bool async_pending () EV_NOEXCEPT |
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804 | { |
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805 | return ev_async_pending (static_cast<ev_async *>(this)); |
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806 | } |
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807 | EV_END_WATCHER (async, async) |
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808 | #endif |
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809 | |
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810 | #undef EV_PX |
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811 | #undef EV_PX_ |
305 | #undef EV_CONSTRUCT |
812 | #undef EV_CONSTRUCT |
306 | #undef EV_BEGIN_WATCHER |
813 | #undef EV_BEGIN_WATCHER |
307 | #undef EV_END_WATCHER |
814 | #undef EV_END_WATCHER |
308 | } |
815 | } |
309 | |
816 | |