1 | /* |
1 | /* |
2 | * libev native API header |
2 | * libev native API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
42 | |
42 | |
43 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
44 | extern "C" { |
44 | extern "C" { |
45 | #endif |
45 | #endif |
46 | |
46 | |
47 | typedef double ev_tstamp; |
47 | /*****************************************************************************/ |
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48 | |
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49 | #ifndef EV_FEATURES |
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50 | # define EV_FEATURES 0x3f |
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51 | #endif |
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52 | |
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53 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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54 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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55 | #define EV_FEATURE_API ((EV_FEATURES) & 4) |
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56 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 8) |
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57 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 16) |
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58 | #define EV_FEATURE_OS ((EV_FEATURES) & 32) |
48 | |
59 | |
49 | /* these priorities are inclusive, higher priorities will be called earlier */ |
60 | /* these priorities are inclusive, higher priorities will be called earlier */ |
50 | #ifndef EV_MINPRI |
61 | #ifndef EV_MINPRI |
51 | # define EV_MINPRI -2 |
62 | # define EV_MINPRI (EV_FEATURE_API ? -2 : 0) |
52 | #endif |
63 | #endif |
53 | #ifndef EV_MAXPRI |
64 | #ifndef EV_MAXPRI |
54 | # define EV_MAXPRI +2 |
65 | # define EV_MAXPRI (EV_FEATURE_API ? +2 : 0) |
55 | #endif |
66 | #endif |
56 | |
67 | |
57 | #ifndef EV_MULTIPLICITY |
68 | #ifndef EV_MULTIPLICITY |
58 | # define EV_MULTIPLICITY 1 |
69 | # define EV_MULTIPLICITY EV_FEATURE_API |
59 | #endif |
70 | #endif |
60 | |
71 | |
61 | #ifndef EV_PERIODIC_ENABLE |
72 | #ifndef EV_PERIODIC_ENABLE |
62 | # define EV_PERIODIC_ENABLE 1 |
73 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
63 | #endif |
74 | #endif |
64 | |
75 | |
65 | #ifndef EV_STAT_ENABLE |
76 | #ifndef EV_STAT_ENABLE |
66 | # define EV_STAT_ENABLE 1 |
77 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
67 | #endif |
78 | #endif |
68 | |
79 | |
69 | #ifndef EV_PREPARE_ENABLE |
80 | #ifndef EV_PREPARE_ENABLE |
70 | # define EV_PREPARE_ENABLE 1 |
81 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
71 | #endif |
82 | #endif |
72 | |
83 | |
73 | #ifndef EV_CHECK_ENABLE |
84 | #ifndef EV_CHECK_ENABLE |
74 | # define EV_CHECK_ENABLE 1 |
85 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
75 | #endif |
86 | #endif |
76 | |
87 | |
77 | #ifndef EV_IDLE_ENABLE |
88 | #ifndef EV_IDLE_ENABLE |
78 | # define EV_IDLE_ENABLE 1 |
89 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
79 | #endif |
90 | #endif |
80 | |
91 | |
81 | #ifndef EV_FORK_ENABLE |
92 | #ifndef EV_FORK_ENABLE |
82 | # define EV_FORK_ENABLE 1 |
93 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
83 | #endif |
94 | #endif |
84 | |
95 | |
85 | #ifndef EV_SIGNAL_ENABLE |
96 | #ifndef EV_SIGNAL_ENABLE |
86 | # define EV_SIGNAL_ENABLE 1 |
97 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
87 | #endif |
98 | #endif |
88 | |
99 | |
89 | #ifndef EV_CHILD_ENABLE |
100 | #ifndef EV_CHILD_ENABLE |
90 | # ifdef _WIN32 |
101 | # ifdef _WIN32 |
91 | # define EV_CHILD_ENABLE 0 |
102 | # define EV_CHILD_ENABLE 0 |
92 | # else |
103 | # else |
93 | # define EV_CHILD_ENABLE 1 |
104 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
94 | #endif |
105 | #endif |
95 | #endif |
106 | #endif |
96 | |
107 | |
97 | #ifndef EV_ASYNC_ENABLE |
108 | #ifndef EV_ASYNC_ENABLE |
98 | # define EV_ASYNC_ENABLE 1 |
109 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
99 | #endif |
110 | #endif |
100 | |
111 | |
101 | #ifndef EV_EMBED_ENABLE |
112 | #ifndef EV_EMBED_ENABLE |
102 | # define EV_EMBED_ENABLE 1 |
113 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
103 | #endif |
114 | #endif |
104 | |
115 | |
105 | #ifndef EV_WALK_ENABLE |
116 | #ifndef EV_WALK_ENABLE |
106 | # define EV_WALK_ENABLE 0 /* not yet */ |
117 | # define EV_WALK_ENABLE 0 /* not yet */ |
107 | #endif |
118 | #endif |
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119 | |
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120 | /*****************************************************************************/ |
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121 | |
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122 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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123 | # undef EV_SIGNAL_ENABLE |
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124 | # define EV_SIGNAL_ENABLE 1 |
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125 | #endif |
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126 | |
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127 | /*****************************************************************************/ |
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128 | |
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129 | #if !EV_FEATURE_CODE && !defined (NDEBUG) |
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130 | # define NDEBUG 1 |
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131 | # include <assert.h> |
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132 | #endif |
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133 | |
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134 | typedef double ev_tstamp; |
108 | |
135 | |
109 | #ifndef EV_ATOMIC_T |
136 | #ifndef EV_ATOMIC_T |
110 | # include <signal.h> |
137 | # include <signal.h> |
111 | # define EV_ATOMIC_T sig_atomic_t volatile |
138 | # define EV_ATOMIC_T sig_atomic_t volatile |
112 | #endif |
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113 | |
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114 | /*****************************************************************************/ |
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115 | |
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116 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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117 | # undef EV_SIGNAL_ENABLE |
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118 | # define EV_SIGNAL_ENABLE 1 |
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119 | #endif |
139 | #endif |
120 | |
140 | |
121 | #if EV_STAT_ENABLE |
141 | #if EV_STAT_ENABLE |
122 | # ifdef _WIN32 |
142 | # ifdef _WIN32 |
123 | # include <time.h> |
143 | # include <time.h> |
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567 | * convenience function, wait for a single event, without registering an event watcher |
587 | * convenience function, wait for a single event, without registering an event watcher |
568 | * if timeout is < 0, do wait indefinitely |
588 | * if timeout is < 0, do wait indefinitely |
569 | */ |
589 | */ |
570 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
590 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
571 | |
591 | |
572 | # if EV_MINIMAL < 2 |
592 | # if EV_FEATURE_API |
573 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
593 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
574 | unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
594 | unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
575 | void ev_loop_verify (EV_P); /* abort if loop data corrupted */ |
595 | void ev_loop_verify (EV_P); /* abort if loop data corrupted */ |
576 | |
596 | |
577 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
597 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |