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