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2 | // cfperl.h perl interface |
2 | // cfperl.h perl interface |
3 | // |
3 | // |
4 | #ifndef CFPERL_H__ |
4 | #ifndef CFPERL_H__ |
5 | #define CFPERL_H__ |
5 | #define CFPERL_H__ |
6 | |
6 | |
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7 | #include <cstdarg> |
7 | #include <cstdio> |
8 | #include <cstdio> |
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9 | #include <bitset> |
8 | |
10 | |
9 | using namespace std; |
11 | using namespace std; |
10 | |
12 | |
11 | #include <EXTERN.h> |
13 | #include <EXTERN.h> |
12 | #include <perl.h> |
14 | #include <perl.h> |
13 | #include <XSUB.h> |
15 | #include <XSUB.h> |
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16 | |
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17 | #include <EventAPI.h> |
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18 | #include <CoroAPI.h> |
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19 | |
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20 | #include "util.h" |
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21 | #include "keyword.h" |
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22 | #include "dynbuf.h" |
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23 | #include "callback.h" |
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24 | |
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25 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
14 | |
26 | |
15 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
27 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
16 | #undef localtime |
28 | #undef localtime |
17 | #undef srand48 |
29 | #undef srand48 |
18 | #undef drand48 |
30 | #undef drand48 |
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21 | #undef getprotobyname |
33 | #undef getprotobyname |
22 | #undef gethostbyname |
34 | #undef gethostbyname |
23 | #undef ctime |
35 | #undef ctime |
24 | #undef strerror |
36 | #undef strerror |
25 | |
37 | |
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38 | // same here, massive symbol spamming |
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39 | #undef do_open |
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40 | #undef do_close |
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41 | #undef ref |
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42 | #undef seed |
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43 | |
26 | // perl bug #40256: perl does overwrite those with reentrant versions |
44 | // perl bug #40256: perl does overwrite those with reentrant versions |
27 | // but does not initialise their state structures. |
45 | // but does not initialise their state structures. |
28 | #undef random |
46 | #undef random |
29 | #undef crypt |
47 | #undef crypt |
30 | |
48 | |
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49 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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50 | |
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51 | // some macros to simplify perl in-calls |
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52 | |
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53 | #define CHECK_ERROR \ |
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54 | if (SvTRUE (ERRSV)) \ |
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55 | LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); |
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56 | |
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57 | #define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
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58 | #define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
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59 | #define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
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60 | #define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; |
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61 | #define CALL_END CHECK_ERROR; FREETMPS; LEAVE |
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62 | |
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63 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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64 | |
31 | void cfperl_init (); |
65 | void cfperl_init (); |
32 | void cfperl_main (); |
66 | void cfperl_main (); |
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67 | void cfperl_emergency_save (); |
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68 | void cfperl_cleanup (int make_core); |
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69 | void cfperl_make_book (object *book, int level); |
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70 | |
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71 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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72 | |
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73 | // virtual server time, excluding time jumps and lag |
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74 | extern double runtime; |
33 | |
75 | |
34 | enum event_klass |
76 | enum event_klass |
35 | { |
77 | { |
36 | KLASS_NONE, |
78 | KLASS_NONE, |
37 | KLASS_GLOBAL, |
79 | KLASS_GLOBAL, |
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80 | KLASS_ATTACHABLE, |
38 | KLASS_SOCKET, |
81 | KLASS_CLIENT, |
39 | KLASS_PLAYER, |
82 | KLASS_PLAYER, |
40 | KLASS_OBJECT, |
83 | KLASS_OBJECT, |
41 | KLASS_MAP, |
84 | KLASS_MAP, |
42 | KLASS_COMMAND, |
85 | KLASS_COMMAND, |
43 | }; |
86 | }; |
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48 | # include "eventinc.h" |
91 | # include "eventinc.h" |
49 | # undef def |
92 | # undef def |
50 | NUM_EVENT_TYPES |
93 | NUM_EVENT_TYPES |
51 | }; |
94 | }; |
52 | |
95 | |
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96 | // in which global events or per-type events are we interested |
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97 | extern bitset<NUM_EVENT_TYPES> ev_want_event; |
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98 | extern bitset<NUM_TYPES> ev_want_type; |
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99 | |
53 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
100 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
54 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
101 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
55 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
102 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
56 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
103 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
57 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
104 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
58 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
105 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
59 | #define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) |
106 | #define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
60 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) |
107 | #define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
61 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) |
108 | #define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
62 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) |
109 | #define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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110 | #define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
63 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) |
111 | #define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
64 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) |
112 | #define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) |
65 | #define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client_socket *> (o) |
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66 | |
113 | |
67 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
114 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
68 | |
115 | #define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0) |
69 | // all these return true when the normal event processing should be skipped (if any) |
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70 | #define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) |
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71 | |
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72 | #define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
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73 | #define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
116 | #define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
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117 | #define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__) |
74 | #define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
118 | #define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__) |
75 | #define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) |
119 | #define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__) |
76 | #define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
120 | #define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__) |
77 | #define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
121 | #define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__) |
78 | |
122 | |
79 | //TODO should index into @result |
123 | //TODO should index into @result |
80 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
124 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
81 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
125 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
82 | #define RESULT_INT(idx) RESULT(idx, INT) |
126 | #define RESULT_INT(idx) RESULT(idx, INT) |
83 | |
127 | |
84 | bool cfperl_invoke (event_type event, ...); |
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85 | double cfperl_result_DOUBLE (int idx); |
128 | double cfperl_result_DOUBLE (int idx); |
86 | int cfperl_result_INT (int idx); |
129 | int cfperl_result_INT (int idx); |
87 | |
130 | |
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131 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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132 | |
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133 | INTERFACE_CLASS (attachable) |
88 | struct attachable_base |
134 | struct attachable |
89 | { |
135 | { |
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136 | static MGVTBL vtbl; |
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137 | |
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138 | static unordered_vector<attachable *> mortals; |
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139 | MTH static void check_mortals (); |
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140 | |
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141 | enum { |
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142 | F_DESTROYED = 0x01, |
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143 | F_DEBUG_TRACE = 0x02, |
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144 | }; |
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145 | |
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146 | // object is delete'd after the refcount reaches 0 |
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147 | int ACC (RW, flags); |
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148 | mutable int ACC (RW, refcnt); |
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149 | |
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150 | MTH void refcnt_inc () const { ++refcnt; } |
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151 | MTH void refcnt_dec () const { --refcnt; } |
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152 | |
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153 | MTH int refcnt_cnt () const; |
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154 | // check wether the object has died and destroy |
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155 | MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } |
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156 | |
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157 | // destroy the object unless it was already destroyed |
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158 | // this politely asks everybody interested the reduce |
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159 | // the refcount to 0 as soon as possible. |
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160 | MTH void destroy (); |
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161 | |
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162 | // return wether an object was destroyed already |
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163 | MTH bool destroyed () const { return flags & F_DESTROYED; } |
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164 | |
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165 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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166 | |
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167 | #if 0 |
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168 | private: |
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169 | static refcounted *rc_first; |
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170 | refcounted *rc_next; |
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171 | #endif |
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172 | |
90 | SV *self; // CF+ perl self |
173 | HV *self; // CF+ perl self |
91 | AV *cb; // CF+ callbacks |
174 | AV *cb; // CF+ callbacks |
92 | shstr attach; // generic extension attachment information |
175 | shstr attach; // generic extension attachment information |
93 | |
176 | |
94 | void clear (); // called when free'ing objects |
177 | void sever_self (); // sever this object from its self, if it has one. |
95 | void optimise (); // possibly save some memory by destroying unneeded data |
178 | void optimise (); // possibly save some memory by destroying unneeded data |
96 | void instantiate (data_type type, void *obj); |
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97 | |
179 | |
98 | void attachable_clear () |
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99 | { |
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100 | self = 0; |
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101 | cb = 0; |
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102 | attach = 0; |
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103 | } |
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104 | |
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105 | attachable_base () |
180 | attachable () |
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181 | : flags (0), refcnt (0), self (0), cb (0), attach (0) |
106 | { |
182 | { |
107 | attachable_clear (); |
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108 | } |
183 | } |
109 | |
184 | |
110 | ~attachable_base () |
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111 | { |
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112 | clear (); |
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113 | } |
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114 | |
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115 | attachable_base (const attachable_base &src) |
185 | attachable (const attachable &src) |
116 | : self (0), cb (0), attach (src.attach) |
186 | : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) |
117 | { |
187 | { |
118 | } |
188 | } |
119 | |
189 | |
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190 | virtual ~attachable (); |
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191 | |
120 | attachable_base &operator =(const attachable_base &src) |
192 | attachable &operator =(const attachable &src); |
121 | { |
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122 | clear (); |
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123 | attach = src.attach; |
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124 | return *this; |
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125 | } |
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126 | }; |
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127 | |
193 | |
128 | // objects attachable from perl (or any other extension) should include or |
194 | // used to _quickly_ device wether to shortcut the evaluation |
129 | // derive using the curiously recurring template pattern, to avoid |
195 | bool should_invoke (event_type event) |
130 | // virtual method calls etc. |
196 | { |
131 | template<class subclass> |
197 | return ev_want_event [event] || cb; |
132 | struct attachable : attachable_base |
198 | } |
133 | { |
199 | |
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200 | bool invoke (event_type event, ...); |
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201 | |
134 | void instantiate () |
202 | MTH void instantiate (); |
135 | { |
203 | void reattach (); |
136 | if (attach) |
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137 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
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138 | } |
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139 | }; |
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140 | |
204 | |
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205 | protected: |
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206 | // do the real refcount checking work |
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207 | void do_check (); |
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208 | |
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209 | // the method that does the real destroy work |
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210 | virtual void do_destroy (); |
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211 | }; |
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212 | |
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213 | // the global object is a pseudo object that cares for the global events |
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214 | struct global : attachable |
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215 | { |
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216 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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217 | }; |
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218 | |
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219 | extern struct global gbl_ev; |
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220 | |
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221 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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222 | |
141 | struct object_freezer : dynbuf |
223 | struct object_freezer : dynbuf_text |
142 | { |
224 | { |
143 | AV *av; |
225 | AV *av; |
144 | |
226 | |
145 | object_freezer (); |
227 | object_freezer (); |
146 | ~object_freezer (); |
228 | ~object_freezer (); |
147 | |
229 | |
148 | void put (attachable_base *ext); |
230 | void put (attachable *ext); |
149 | |
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150 | template<class subclass> |
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151 | void put (attachable<subclass> *obj) |
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152 | { |
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153 | put ((attachable_base *)obj); |
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154 | } |
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155 | |
231 | |
156 | // used only for user-defined key-value pairs |
232 | // used only for user-defined key-value pairs |
157 | void put (const shstr &k, const shstr &v) |
233 | void put (const shstr &k, const shstr &v) |
158 | { |
234 | { |
159 | add (k); |
235 | add (k); |
160 | |
236 | |
161 | if (v) |
237 | if (expect_true (v)) |
162 | add (' '), add (v); |
238 | add (' '), add (v); |
163 | |
239 | |
164 | add ('\n'); |
240 | add ('\n'); |
165 | } |
241 | } |
166 | |
242 | |
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181 | |
257 | |
182 | char *p = (char *)alloc (klen + vlen + 1); |
258 | char *p = (char *)alloc (klen + vlen + 1); |
183 | |
259 | |
184 | memcpy (p, keyword_str [k], klen); p += klen; |
260 | memcpy (p, keyword_str [k], klen); p += klen; |
185 | |
261 | |
186 | if (v) |
262 | if (expect_true (v)) |
187 | { |
263 | { |
188 | *p++ = ' '; vlen--; |
264 | *p++ = ' '; vlen--; |
189 | memcpy (p, v, vlen); p += vlen; |
265 | memcpy (p, v, vlen); p += vlen; |
190 | } |
266 | } |
191 | |
267 | |
192 | *p = '\n'; |
268 | *p = '\n'; |
193 | } |
269 | } |
194 | |
270 | |
195 | void put (keyword k, const char *v) |
271 | void put (keyword k, const char *v = 0) |
196 | { |
272 | { |
197 | put_string (k, v); |
273 | put_string (k, v); |
198 | } |
274 | } |
199 | |
275 | |
200 | void put (keyword k, const shstr &v) |
276 | void put (keyword k, const shstr &v) |
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229 | |
305 | |
230 | void put (keyword kbeg, keyword kend, const shstr &v) |
306 | void put (keyword kbeg, keyword kend, const shstr &v) |
231 | { |
307 | { |
232 | add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
308 | add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
233 | |
309 | |
234 | if (v) |
310 | if (expect_true (v)) |
235 | { |
311 | { |
236 | add (v); |
312 | add (v); |
237 | add ('\n'); |
313 | add ('\n'); |
238 | } |
314 | } |
239 | |
315 | |
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253 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
329 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
254 | |
330 | |
255 | template<typename T> |
331 | template<typename T> |
256 | void put (keyword k, const T *v) |
332 | void put (keyword k, const T *v) |
257 | { |
333 | { |
258 | if (v) |
334 | if (expect_true (v)) |
259 | put (k, v->name); |
335 | put (k, v->name); |
260 | else |
336 | else |
261 | put (k, (const char *)0); |
337 | put (k, (const char *)0); |
262 | } |
338 | } |
263 | |
339 | |
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265 | void put (keyword k, const refptr<T> &v) |
341 | void put (keyword k, const refptr<T> &v) |
266 | { |
342 | { |
267 | put (k, (T *)v); |
343 | put (k, (T *)v); |
268 | } |
344 | } |
269 | |
345 | |
270 | bool save (const char *filename); |
346 | bool save (const char *path); |
271 | char *as_string (); // like strdup |
347 | char *as_string (); // like strdup |
272 | |
348 | |
273 | operator bool () { return !!av; } |
349 | operator bool () { return !!av; } |
274 | }; |
350 | }; |
275 | |
351 | |
276 | // compatibility support, should be removed when no longer needed |
352 | // compatibility support, should be removed when no longer needed |
277 | int fprintf (object_freezer &freezer, const char *format, ...); |
353 | void fprintf (object_freezer &freezer, const char *format, ...); |
278 | int fputs (const char *s, object_freezer &freezer); |
354 | void fputs (const char *s, object_freezer &freezer); |
279 | |
355 | |
280 | struct object_thawer |
356 | struct object_thawer |
281 | { |
357 | { |
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358 | char *line; // current beginning of line |
282 | SV *text; // text part |
359 | SV *text; // text part |
283 | AV *av; // perl part |
360 | AV *av; // perl part |
284 | char *line; // current beginning of line |
361 | int linenum; |
285 | char *last_value; |
362 | keyword kw; |
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363 | char *kw_str; // the keyword parsed, as string |
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364 | char *value; // the value, or 0 if no value |
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365 | char *value_nn; // the value, or the empty string if no value |
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366 | const char *name; |
286 | |
367 | |
287 | operator bool () { return !!text; } |
368 | operator bool () { return !!text; } |
288 | |
369 | |
289 | object_thawer (const char *filename = 0); |
370 | object_thawer (const char *path = 0); |
290 | object_thawer (const char *data, AV *perlav); |
371 | object_thawer (const char *data, AV *perlav); |
291 | ~object_thawer (); |
372 | ~object_thawer (); |
292 | |
373 | |
293 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
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294 | |
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295 | template<class subclass> |
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296 | void get (attachable<subclass> *obj, int oid) |
374 | void get (attachable *obj, int oid); |
297 | { |
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298 | if (av) |
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299 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
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300 | } |
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301 | |
375 | |
302 | keyword get_kv (); // also parse value for later use |
376 | // parse next line |
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377 | void next (); |
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378 | // skip the current key-value (usually fetch next line, for |
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379 | // multiline-fields, skips untilt he corresponding end-kw |
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380 | void skip (); |
303 | |
381 | |
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382 | //TODO: remove, deprecated |
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383 | keyword get_kv () |
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384 | { |
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385 | next (); |
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386 | return kw; |
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387 | } |
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388 | |
304 | const char *get_str () { return last_value; } // may be 0 |
389 | char *get_str () { return value; } // may be 0 |
305 | |
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306 | void get (shstr &sh) const; |
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307 | void get_ornull (shstr &sh) const { sh = last_value; } |
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308 | void get_ml (keyword kend, shstr &sh); |
390 | void get_ml (keyword kend, shstr &sh); |
309 | |
391 | |
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392 | void get_ornull (shstr &sh) const { sh = value; } |
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393 | void get (shstr &sh) const { sh = value; } // might want to check for non-null here |
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394 | |
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395 | bool get_bool () const { return *value_nn == '1'; } |
310 | sint32 get_sint32 () const; |
396 | sint32 get_sint32 () const; |
311 | sint64 get_sint64 () const; |
397 | sint64 get_sint64 () const { return atoll (value_nn); } |
312 | double get_double () const; |
398 | double get_double () const { return atof (value_nn); } |
313 | |
399 | |
314 | void get (float &v) { v = get_double (); } |
400 | void get (float &v) { v = get_double (); } |
315 | void get (double &v) { v = get_double (); } |
401 | void get (double &v) { v = get_double (); } |
316 | |
402 | |
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403 | void get (bool &i) { i = get_bool (); } |
317 | void get (sint8 &i) { i = get_sint32 (); } |
404 | void get (sint8 &i) { i = get_sint32 (); } |
318 | void get (uint8 &i) { i = get_sint32 (); } |
405 | void get (uint8 &i) { i = get_sint32 (); } |
319 | void get (sint16 &i) { i = get_sint32 (); } |
406 | void get (sint16 &i) { i = get_sint32 (); } |
320 | void get (uint16 &i) { i = get_sint32 (); } |
407 | void get (uint16 &i) { i = get_sint32 (); } |
321 | void get (sint32 &i) { i = get_sint32 (); } |
408 | void get (sint32 &i) { i = get_sint32 (); } |
322 | |
409 | |
323 | void get (uint32 &i) { i = get_sint64 (); } |
410 | void get (uint32 &i) { i = get_sint64 (); } |
324 | void get (sint64 &i) { i = get_sint64 (); } |
411 | void get (sint64 &i) { i = get_sint64 (); } |
325 | }; |
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326 | |
412 | |
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413 | bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); |
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414 | }; |
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415 | |
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416 | //TODO: remove |
327 | char *fgets (char *s, int n, object_thawer &thawer); |
417 | char *fgets (char *s, int n, object_thawer &thawer); |
328 | |
418 | |
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419 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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420 | |
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421 | struct coroapi { |
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422 | static struct CoroAPI *GCoroAPI; |
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423 | |
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424 | static int nready () { return CORO_NREADY; } |
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425 | static int cede () { return CORO_CEDE ; } |
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426 | |
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427 | static double (*time)(); |
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428 | static double next_cede; |
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429 | static int cede_counter; |
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430 | |
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431 | static void do_cede_every (); |
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432 | static void do_cede_to_tick (); |
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433 | static void do_cede_to_tick_every (); |
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434 | |
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435 | static void cede_every (int count) |
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436 | { |
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437 | if (expect_false (++cede_counter >= count)) |
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438 | do_cede_every (); |
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439 | } |
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440 | |
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441 | static void cede_to_tick () |
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442 | { |
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443 | if (expect_false (time () >= next_cede)) |
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444 | do_cede_to_tick (); |
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445 | } |
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446 | |
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447 | static void cede_to_tick_every (int count) |
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448 | { |
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449 | if (expect_false (++cede_counter >= count)) |
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450 | cede_to_tick (); |
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451 | } |
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452 | |
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453 | static void wait_for_tick (); |
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454 | static void wait_for_tick_begin (); |
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455 | }; |
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456 | |
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457 | struct watcher_base |
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458 | { |
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459 | static struct EventAPI *GEventAPI; |
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460 | }; |
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461 | |
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462 | template<class base> |
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463 | struct watcher : watcher_base |
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464 | { |
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465 | base *pe; |
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466 | |
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467 | void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); } |
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468 | void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); } |
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469 | void now () { GEventAPI->now ((pe_watcher *)pe); } |
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470 | void suspend () { GEventAPI->suspend ((pe_watcher *)pe); } |
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471 | void resume () { GEventAPI->resume ((pe_watcher *)pe); } |
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472 | |
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473 | void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; } |
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474 | |
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475 | ~watcher () |
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476 | { |
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477 | cancel (); |
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478 | } |
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479 | |
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480 | private: |
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481 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
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482 | }; |
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483 | |
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484 | struct iw : watcher<pe_idle>, callback<void (iw &)> |
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485 | { |
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486 | template<class O, class M> |
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487 | iw (O object, M method) |
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488 | : callback<void (iw &)> (object, method) |
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489 | { |
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490 | alloc (); |
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491 | } |
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492 | |
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493 | private: |
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494 | void alloc (); |
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495 | }; |
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496 | |
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497 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
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498 | { |
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499 | template<class O, class M> |
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500 | iow (O object, M method) |
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501 | : callback<void (iow &, int)> (object, method) |
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502 | { |
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503 | alloc (); |
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504 | } |
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505 | |
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506 | void fd (int fd); |
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507 | int poll (); |
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508 | void poll (int events); |
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509 | |
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510 | private: |
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511 | void alloc (); |
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512 | }; |
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513 | |
329 | #endif |
514 | #endif |
330 | |
515 | |