[9c7a701] | 1 | #include "owl.h" |
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| 2 | |
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[b279013] | 3 | static GMainLoop *loop = NULL; |
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[1895c29] | 4 | static int dispatch_active = 0; |
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[4f2166b] | 5 | static int psa_active = 0; |
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[b279013] | 6 | |
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| 7 | static GSource *owl_timer_source; |
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| 8 | static GSource *owl_io_dispatch_source; |
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| 9 | |
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| 10 | static gboolean owl_timer_prepare(GSource *source, int *timeout) { |
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| 11 | GList **timers = owl_global_get_timerlist(&g); |
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| 12 | GTimeVal now; |
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| 13 | |
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| 14 | /* TODO: In the far /far/ future, g_source_get_time is what the cool |
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| 15 | * kids use to get system monotonic time. */ |
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| 16 | g_source_get_current_time(source, &now); |
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| 17 | |
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| 18 | /* FIXME: bother with millisecond accuracy now that we can? */ |
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| 19 | if (*timers) { |
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| 20 | owl_timer *t = (*timers)->data; |
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| 21 | *timeout = t->time - now.tv_sec; |
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| 22 | if (*timeout <= 0) { |
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| 23 | *timeout = 0; |
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| 24 | return TRUE; |
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| 25 | } |
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| 26 | if (*timeout > 60 * 1000) |
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| 27 | *timeout = 60 * 1000; |
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| 28 | } else { |
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| 29 | *timeout = 60 * 1000; |
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| 30 | } |
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| 31 | return FALSE; |
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| 32 | } |
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| 33 | |
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| 34 | static gboolean owl_timer_check(GSource *source) { |
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| 35 | GList **timers = owl_global_get_timerlist(&g); |
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| 36 | GTimeVal now; |
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| 37 | |
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| 38 | /* TODO: In the far /far/ future, g_source_get_time is what the cool |
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| 39 | * kids use to get system monotonic time. */ |
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| 40 | g_source_get_current_time(source, &now); |
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| 41 | |
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| 42 | /* FIXME: bother with millisecond accuracy now that we can? */ |
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| 43 | if (*timers) { |
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| 44 | owl_timer *t = (*timers)->data; |
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| 45 | return t->time >= now.tv_sec; |
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| 46 | } |
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| 47 | return FALSE; |
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| 48 | } |
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| 49 | |
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| 50 | |
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| 51 | static gboolean owl_timer_dispatch(GSource *source, GSourceFunc callback, gpointer user_data) { |
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| 52 | GList **timers = owl_global_get_timerlist(&g); |
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| 53 | GTimeVal now; |
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| 54 | |
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| 55 | /* TODO: In the far /far/ future, g_source_get_time is what the cool |
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| 56 | * kids use to get system monotonic time. */ |
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| 57 | g_source_get_current_time(source, &now); |
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| 58 | |
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| 59 | /* FIXME: bother with millisecond accuracy now that we can? */ |
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| 60 | while(*timers) { |
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| 61 | owl_timer *t = (*timers)->data; |
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| 62 | int remove = 0; |
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| 63 | |
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| 64 | if(t->time > now.tv_sec) |
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| 65 | break; |
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| 66 | |
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| 67 | /* Reschedule if appropriate */ |
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| 68 | if(t->interval > 0) { |
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| 69 | t->time = now.tv_sec + t->interval; |
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| 70 | *timers = g_list_remove(*timers, t); |
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| 71 | *timers = g_list_insert_sorted(*timers, t, |
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| 72 | (GCompareFunc)_owl_select_timer_cmp); |
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| 73 | } else { |
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| 74 | remove = 1; |
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| 75 | } |
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| 76 | |
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| 77 | /* Do the callback */ |
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| 78 | t->callback(t, t->data); |
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| 79 | if(remove) { |
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| 80 | owl_select_remove_timer(t); |
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| 81 | } |
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| 82 | } |
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| 83 | return TRUE; |
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| 84 | } |
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| 85 | |
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| 86 | static GSourceFuncs owl_timer_funcs = { |
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| 87 | owl_timer_prepare, |
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| 88 | owl_timer_check, |
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| 89 | owl_timer_dispatch, |
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| 90 | NULL |
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| 91 | }; |
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[1895c29] | 92 | |
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[9cf96c8] | 93 | int _owl_select_timer_cmp(const owl_timer *t1, const owl_timer *t2) { |
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[ca1fc33a] | 94 | return t1->time - t2->time; |
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[b7bb454] | 95 | } |
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| 96 | |
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[9cf96c8] | 97 | int _owl_select_timer_eq(const owl_timer *t1, const owl_timer *t2) { |
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[ca1fc33a] | 98 | return t1 == t2; |
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[b7bb454] | 99 | } |
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| 100 | |
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[c6adf17] | 101 | owl_timer *owl_select_add_timer(const char* name, int after, int interval, void (*cb)(owl_timer *, void *), void (*destroy)(owl_timer*), void *data) |
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[b7bb454] | 102 | { |
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[96828e4] | 103 | owl_timer *t = g_new(owl_timer, 1); |
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[58d1f8a] | 104 | GList **timers = owl_global_get_timerlist(&g); |
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[b7bb454] | 105 | |
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[ca1fc33a] | 106 | t->time = time(NULL) + after; |
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| 107 | t->interval = interval; |
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| 108 | t->callback = cb; |
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[c675b39] | 109 | t->destroy = destroy; |
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[ca1fc33a] | 110 | t->data = data; |
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[d4927a7] | 111 | t->name = name ? g_strdup(name) : NULL; |
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[b7bb454] | 112 | |
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[58d1f8a] | 113 | *timers = g_list_insert_sorted(*timers, t, |
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| 114 | (GCompareFunc)_owl_select_timer_cmp); |
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[ca1fc33a] | 115 | return t; |
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[b7bb454] | 116 | } |
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| 117 | |
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| 118 | void owl_select_remove_timer(owl_timer *t) |
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| 119 | { |
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[58d1f8a] | 120 | GList **timers = owl_global_get_timerlist(&g); |
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| 121 | if (t && g_list_find(*timers, t)) { |
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| 122 | *timers = g_list_remove(*timers, t); |
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[c675b39] | 123 | if(t->destroy) { |
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| 124 | t->destroy(t); |
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| 125 | } |
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[ddbbcffa] | 126 | g_free(t->name); |
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| 127 | g_free(t); |
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[ca1fc33a] | 128 | } |
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[b7bb454] | 129 | } |
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| 130 | |
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| 131 | |
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[b279013] | 132 | static gboolean owl_io_dispatch_prepare(GSource *source, int *timeout) { |
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| 133 | owl_select_do_pre_select_actions(); /* HACK */ |
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| 134 | *timeout = -1; |
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| 135 | return FALSE; |
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| 136 | } |
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[b7bb454] | 137 | |
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[b279013] | 138 | static gboolean owl_io_dispatch_check(GSource *source) { |
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| 139 | int i, len; |
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| 140 | const owl_list *dl; |
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[b7bb454] | 141 | |
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[b279013] | 142 | dl = owl_global_get_io_dispatch_list(&g); |
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| 143 | len = owl_list_get_size(dl); |
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| 144 | for(i = 0; i < len; i++) { |
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| 145 | const owl_io_dispatch *d = owl_list_get_element(dl, i); |
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| 146 | if (d->pollfd.revents & d->pollfd.events) |
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| 147 | return TRUE; |
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[ca1fc33a] | 148 | } |
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[b279013] | 149 | return FALSE; |
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| 150 | } |
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[b7bb454] | 151 | |
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[b279013] | 152 | static gboolean owl_io_dispatch_dispatch(GSource *source, GSourceFunc callback, gpointer user_data) { |
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| 153 | int i, len; |
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| 154 | const owl_list *dl; |
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| 155 | |
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| 156 | dispatch_active = 1; |
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| 157 | dl = owl_global_get_io_dispatch_list(&g); |
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| 158 | len = owl_list_get_size(dl); |
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| 159 | for (i = 0; i < len; i++) { |
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| 160 | owl_io_dispatch *d = owl_list_get_element(dl, i); |
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| 161 | if ((d->pollfd.revents & d->pollfd.events) && d->callback != NULL) { |
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| 162 | d->callback(d, d->data); |
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| 163 | } |
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[ca1fc33a] | 164 | } |
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[b279013] | 165 | dispatch_active = 0; |
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| 166 | owl_select_io_dispatch_gc(); |
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[b7bb454] | 167 | |
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[b279013] | 168 | return TRUE; |
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[b7bb454] | 169 | } |
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| 170 | |
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[b279013] | 171 | static GSourceFuncs owl_io_dispatch_funcs = { |
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| 172 | owl_io_dispatch_prepare, |
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| 173 | owl_io_dispatch_check, |
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| 174 | owl_io_dispatch_dispatch, |
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| 175 | NULL |
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| 176 | }; |
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| 177 | |
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[df0138f] | 178 | static const owl_io_dispatch *owl_select_find_io_dispatch_by_fd(const int fd) |
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| 179 | { |
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| 180 | int i, len; |
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| 181 | const owl_list *dl; |
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| 182 | owl_io_dispatch *d; |
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| 183 | dl = owl_global_get_io_dispatch_list(&g); |
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| 184 | len = owl_list_get_size(dl); |
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| 185 | for(i = 0; i < len; i++) { |
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| 186 | d = owl_list_get_element(dl, i); |
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| 187 | if (d->fd == fd) return d; |
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| 188 | } |
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| 189 | return NULL; |
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| 190 | } |
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| 191 | |
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| 192 | static int owl_select_find_io_dispatch(const owl_io_dispatch *in) |
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| 193 | { |
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| 194 | int i, len; |
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| 195 | const owl_list *dl; |
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| 196 | |
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| 197 | if (in != NULL) { |
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| 198 | dl = owl_global_get_io_dispatch_list(&g); |
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| 199 | len = owl_list_get_size(dl); |
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| 200 | for(i = 0; i < len; i++) { |
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| 201 | const owl_io_dispatch *d = owl_list_get_element(dl, i); |
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| 202 | if (d == in) return i; |
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| 203 | } |
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| 204 | } |
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| 205 | return -1; |
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| 206 | } |
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| 207 | |
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| 208 | void owl_select_remove_io_dispatch(const owl_io_dispatch *in) |
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| 209 | { |
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| 210 | int elt; |
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| 211 | if (in != NULL) { |
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| 212 | elt = owl_select_find_io_dispatch(in); |
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| 213 | if (elt != -1) { |
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| 214 | owl_list *dl = owl_global_get_io_dispatch_list(&g); |
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| 215 | owl_io_dispatch *d = owl_list_get_element(dl, elt); |
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| 216 | if (dispatch_active) |
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| 217 | d->needs_gc = 1; |
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| 218 | else { |
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| 219 | owl_list_remove_element(dl, elt); |
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| 220 | if (d->destroy) |
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| 221 | d->destroy(d); |
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[b279013] | 222 | g_source_remove_poll(owl_io_dispatch_source, &d->pollfd); |
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[ddbbcffa] | 223 | g_free(d); |
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[df0138f] | 224 | } |
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| 225 | } |
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| 226 | } |
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| 227 | } |
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| 228 | |
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| 229 | void owl_select_io_dispatch_gc(void) |
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| 230 | { |
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| 231 | int i; |
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| 232 | owl_list *dl; |
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| 233 | |
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| 234 | dl = owl_global_get_io_dispatch_list(&g); |
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| 235 | /* |
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| 236 | * Count down so we aren't set off by removing items from the list |
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| 237 | * during the iteration. |
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| 238 | */ |
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| 239 | for(i = owl_list_get_size(dl) - 1; i >= 0; i--) { |
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| 240 | owl_io_dispatch *d = owl_list_get_element(dl, i); |
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| 241 | if(d->needs_gc) { |
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| 242 | owl_select_remove_io_dispatch(d); |
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| 243 | } |
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| 244 | } |
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| 245 | } |
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| 246 | |
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| 247 | /* Each FD may have at most one dispatcher. |
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| 248 | * If a new dispatch is added for an FD, the old one is removed. |
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| 249 | * mode determines what types of events are watched for, and may be any combination of: |
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| 250 | * OWL_IO_READ, OWL_IO_WRITE, OWL_IO_EXCEPT |
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| 251 | */ |
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| 252 | const owl_io_dispatch *owl_select_add_io_dispatch(int fd, int mode, void (*cb)(const owl_io_dispatch *, void *), void (*destroy)(const owl_io_dispatch *), void *data) |
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| 253 | { |
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[96828e4] | 254 | owl_io_dispatch *d = g_new(owl_io_dispatch, 1); |
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[df0138f] | 255 | owl_list *dl = owl_global_get_io_dispatch_list(&g); |
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| 256 | |
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| 257 | d->fd = fd; |
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| 258 | d->needs_gc = 0; |
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| 259 | d->mode = mode; |
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| 260 | d->callback = cb; |
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| 261 | d->destroy = destroy; |
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| 262 | d->data = data; |
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| 263 | |
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[b279013] | 264 | /* TODO: Allow changing fd and mode in the middle? Probably don't care... */ |
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| 265 | d->pollfd.fd = fd; |
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| 266 | d->pollfd.events = 0; |
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| 267 | if (d->mode & OWL_IO_READ) |
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| 268 | d->pollfd.events |= G_IO_IN | G_IO_HUP | G_IO_ERR; |
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| 269 | if (d->mode & OWL_IO_WRITE) |
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| 270 | d->pollfd.events |= G_IO_OUT | G_IO_ERR; |
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| 271 | if (d->mode & OWL_IO_EXCEPT) |
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| 272 | d->pollfd.events |= G_IO_PRI | G_IO_ERR; |
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| 273 | g_source_add_poll(owl_io_dispatch_source, &d->pollfd); |
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| 274 | |
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| 275 | |
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[df0138f] | 276 | owl_select_remove_io_dispatch(owl_select_find_io_dispatch_by_fd(fd)); |
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| 277 | owl_list_append_element(dl, d); |
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| 278 | |
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| 279 | return d; |
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| 280 | } |
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| 281 | |
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| 282 | int owl_select_add_perl_io_dispatch(int fd, int mode, SV *cb) |
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| 283 | { |
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| 284 | const owl_io_dispatch *d = owl_select_find_io_dispatch_by_fd(fd); |
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| 285 | if (d != NULL && d->callback != owl_perlconfig_io_dispatch) { |
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| 286 | /* Don't mess with non-perl dispatch functions from here. */ |
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| 287 | return 1; |
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| 288 | } |
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| 289 | owl_select_add_io_dispatch(fd, mode, owl_perlconfig_io_dispatch, owl_perlconfig_io_dispatch_destroy, cb); |
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| 290 | return 0; |
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| 291 | } |
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| 292 | |
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| 293 | int owl_select_remove_perl_io_dispatch(int fd) |
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| 294 | { |
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| 295 | const owl_io_dispatch *d = owl_select_find_io_dispatch_by_fd(fd); |
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| 296 | if (d != NULL && d->callback == owl_perlconfig_io_dispatch) { |
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| 297 | /* Only remove perl io dispatchers from here. */ |
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| 298 | owl_select_remove_io_dispatch(d); |
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| 299 | return 0; |
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| 300 | } |
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| 301 | return 1; |
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| 302 | } |
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| 303 | |
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[2f69081] | 304 | int owl_select_aim_hack(fd_set *rfds, fd_set *wfds) |
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[9c7a701] | 305 | { |
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| 306 | aim_conn_t *cur; |
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| 307 | aim_session_t *sess; |
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| 308 | int max_fd; |
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| 309 | |
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| 310 | max_fd = 0; |
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| 311 | sess = owl_global_get_aimsess(&g); |
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[a409a9d] | 312 | for (cur = sess->connlist; cur; cur = cur->next) { |
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[9c7a701] | 313 | if (cur->fd != -1) { |
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[2f69081] | 314 | FD_SET(cur->fd, rfds); |
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| 315 | if (cur->status & AIM_CONN_STATUS_INPROGRESS) { |
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| 316 | /* Yes, we're checking writable sockets here. Without it, AIM |
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| 317 | login is really slow. */ |
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| 318 | FD_SET(cur->fd, wfds); |
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| 319 | } |
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| 320 | |
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[9c7a701] | 321 | if (cur->fd > max_fd) |
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| 322 | max_fd = cur->fd; |
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| 323 | } |
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| 324 | } |
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| 325 | return max_fd; |
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| 326 | } |
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| 327 | |
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[5a35c708] | 328 | void owl_process_input_char(owl_input j) |
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| 329 | { |
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| 330 | int ret; |
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| 331 | |
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| 332 | owl_global_set_lastinputtime(&g, time(NULL)); |
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| 333 | ret = owl_keyhandler_process(owl_global_get_keyhandler(&g), j); |
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| 334 | if (ret!=0 && ret!=1) { |
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| 335 | owl_function_makemsg("Unable to handle keypress"); |
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| 336 | } |
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| 337 | } |
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| 338 | |
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[4f2166b] | 339 | owl_ps_action *owl_select_add_pre_select_action(int (*cb)(owl_ps_action *, void *), void (*destroy)(owl_ps_action *), void *data) |
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| 340 | { |
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[96828e4] | 341 | owl_ps_action *a = g_new(owl_ps_action, 1); |
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[4f2166b] | 342 | owl_list *psa_list = owl_global_get_psa_list(&g); |
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| 343 | a->needs_gc = 0; |
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| 344 | a->callback = cb; |
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| 345 | a->destroy = destroy; |
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| 346 | a->data = data; |
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| 347 | owl_list_append_element(psa_list, a); |
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| 348 | return a; |
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| 349 | } |
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| 350 | |
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| 351 | void owl_select_psa_gc(void) |
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| 352 | { |
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| 353 | int i; |
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| 354 | owl_list *psa_list; |
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| 355 | owl_ps_action *a; |
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| 356 | |
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| 357 | psa_list = owl_global_get_psa_list(&g); |
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| 358 | for (i = owl_list_get_size(psa_list) - 1; i >= 0; i--) { |
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| 359 | a = owl_list_get_element(psa_list, i); |
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| 360 | if (a->needs_gc) { |
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| 361 | owl_list_remove_element(psa_list, i); |
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| 362 | if (a->destroy) { |
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| 363 | a->destroy(a); |
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| 364 | } |
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[ddbbcffa] | 365 | g_free(a); |
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[4f2166b] | 366 | } |
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| 367 | } |
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| 368 | } |
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| 369 | |
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| 370 | void owl_select_remove_pre_select_action(owl_ps_action *a) |
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| 371 | { |
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| 372 | a->needs_gc = 1; |
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| 373 | if (!psa_active) |
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| 374 | owl_select_psa_gc(); |
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| 375 | } |
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| 376 | |
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| 377 | int owl_select_do_pre_select_actions(void) |
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| 378 | { |
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| 379 | int i, len, ret; |
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| 380 | owl_list *psa_list; |
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| 381 | |
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| 382 | psa_active = 1; |
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| 383 | ret = 0; |
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| 384 | psa_list = owl_global_get_psa_list(&g); |
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| 385 | len = owl_list_get_size(psa_list); |
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| 386 | for (i = 0; i < len; i++) { |
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| 387 | owl_ps_action *a = owl_list_get_element(psa_list, i); |
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| 388 | if (a->callback != NULL && a->callback(a, a->data)) { |
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| 389 | ret = 1; |
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| 390 | } |
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| 391 | } |
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| 392 | psa_active = 0; |
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| 393 | owl_select_psa_gc(); |
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| 394 | return ret; |
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| 395 | } |
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| 396 | |
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[b279013] | 397 | #if 0 |
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[c79a047] | 398 | void owl_select(void) |
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[9c7a701] | 399 | { |
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[df0138f] | 400 | int i, max_fd, max_fd2, aim_done, ret; |
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[9c7a701] | 401 | fd_set r; |
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[df0138f] | 402 | fd_set w; |
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[9c7a701] | 403 | fd_set e; |
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[2f69081] | 404 | fd_set aim_rfds, aim_wfds; |
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[3a84694] | 405 | struct timespec timeout; |
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[0cb6c26] | 406 | sigset_t mask; |
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[9c7a701] | 407 | |
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[b7bb454] | 408 | owl_select_process_timers(&timeout); |
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[9c7a701] | 409 | |
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[40bda84] | 410 | owl_select_mask_signals(&mask); |
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| 411 | |
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[3a84694] | 412 | if(owl_global_is_interrupted(&g)) { |
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[40bda84] | 413 | owl_select_handle_intr(&mask); |
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[3a84694] | 414 | return; |
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| 415 | } |
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[df0138f] | 416 | FD_ZERO(&r); |
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| 417 | FD_ZERO(&w); |
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| 418 | FD_ZERO(&e); |
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[3a84694] | 419 | |
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[6fc40a7] | 420 | max_fd = owl_select_prepare_io_dispatch_fd_sets(&r, &w, &e); |
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[9c7a701] | 421 | |
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| 422 | /* AIM HACK: |
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| 423 | * |
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| 424 | * The problem - I'm not sure where to hook into the owl/faim |
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| 425 | * interface to keep track of when the AIM socket(s) open and |
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| 426 | * close. In particular, the bosconn thing throws me off. So, |
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| 427 | * rather than register particular dispatchers for AIM, I look up |
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| 428 | * the relevant FDs and add them to select's watch lists, then |
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| 429 | * check for them individually before moving on to the other |
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| 430 | * dispatchers. --asedeno |
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| 431 | */ |
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| 432 | aim_done = 1; |
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[2f69081] | 433 | FD_ZERO(&aim_rfds); |
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| 434 | FD_ZERO(&aim_wfds); |
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[9c7a701] | 435 | if (owl_global_is_doaimevents(&g)) { |
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| 436 | aim_done = 0; |
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[df0138f] | 437 | max_fd2 = owl_select_aim_hack(&aim_rfds, &aim_wfds); |
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| 438 | if (max_fd < max_fd2) max_fd = max_fd2; |
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| 439 | for(i = 0; i <= max_fd2; i++) { |
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[2f69081] | 440 | if (FD_ISSET(i, &aim_rfds)) { |
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[9c7a701] | 441 | FD_SET(i, &r); |
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| 442 | FD_SET(i, &e); |
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| 443 | } |
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[df0138f] | 444 | if (FD_ISSET(i, &aim_wfds)) { |
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| 445 | FD_SET(i, &w); |
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| 446 | FD_SET(i, &e); |
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| 447 | } |
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[9c7a701] | 448 | } |
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| 449 | } |
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| 450 | /* END AIM HACK */ |
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[2f69081] | 451 | |
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[4f2166b] | 452 | if (owl_select_do_pre_select_actions()) { |
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| 453 | timeout.tv_sec = 0; |
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| 454 | timeout.tv_nsec = 0; |
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| 455 | } |
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| 456 | |
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[df0138f] | 457 | ret = pselect(max_fd+1, &r, &w, &e, &timeout, &mask); |
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[3a84694] | 458 | |
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| 459 | if(ret < 0 && errno == EINTR) { |
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| 460 | if(owl_global_is_interrupted(&g)) { |
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[40bda84] | 461 | owl_select_handle_intr(NULL); |
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[3a84694] | 462 | } |
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[40bda84] | 463 | sigprocmask(SIG_SETMASK, &mask, NULL); |
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[3a84694] | 464 | return; |
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| 465 | } |
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| 466 | |
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[40bda84] | 467 | sigprocmask(SIG_SETMASK, &mask, NULL); |
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[3a84694] | 468 | |
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| 469 | if(ret > 0) { |
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[7ca5d3e] | 470 | /* AIM HACK: process all AIM events at once. */ |
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| 471 | for(i = 0; !aim_done && i <= max_fd; i++) { |
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[df0138f] | 472 | if (FD_ISSET(i, &r) || FD_ISSET(i, &w) || FD_ISSET(i, &e)) { |
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[7ca5d3e] | 473 | if (FD_ISSET(i, &aim_rfds) || FD_ISSET(i, &aim_wfds)) { |
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[9c7a701] | 474 | owl_process_aim(); |
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| 475 | aim_done = 1; |
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| 476 | } |
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| 477 | } |
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| 478 | } |
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[df0138f] | 479 | owl_select_io_dispatch(&r, &w, &e, max_fd); |
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[9c7a701] | 480 | } |
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| 481 | } |
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[b279013] | 482 | #endif |
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| 483 | |
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| 484 | void owl_select_init(void) |
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| 485 | { |
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| 486 | owl_timer_source = g_source_new(&owl_timer_funcs, sizeof(GSource)); |
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| 487 | g_source_attach(owl_timer_source, NULL); |
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| 488 | |
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| 489 | owl_io_dispatch_source = g_source_new(&owl_io_dispatch_funcs, sizeof(GSource)); |
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| 490 | g_source_attach(owl_io_dispatch_source, NULL); |
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| 491 | } |
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[3ecd78b] | 492 | |
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| 493 | void owl_select_run_loop(void) |
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| 494 | { |
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[b279013] | 495 | loop = g_main_loop_new(NULL, FALSE); |
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| 496 | g_main_loop_run(loop); |
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[3ecd78b] | 497 | } |
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| 498 | |
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| 499 | void owl_select_quit_loop(void) |
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| 500 | { |
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[b279013] | 501 | if (loop) { |
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| 502 | g_main_loop_quit(loop); |
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| 503 | loop = NULL; |
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| 504 | } |
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[3ecd78b] | 505 | } |
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