[9c7a701] | 1 | #include "owl.h" |
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| 2 | |
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[2c79eae] | 3 | static GMainLoop *loop = NULL; |
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[1895c29] | 4 | static int dispatch_active = 0; |
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[2c79eae] | 5 | |
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| 6 | static GSource *owl_timer_source; |
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| 7 | static GSource *owl_io_dispatch_source; |
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[1895c29] | 8 | |
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[ebb8498] | 9 | static int _owl_select_timer_cmp(const owl_timer *t1, const owl_timer *t2) { |
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[ca1fc33a] | 10 | return t1->time - t2->time; |
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[b7bb454] | 11 | } |
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| 12 | |
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[c6adf17] | 13 | 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] | 14 | { |
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[96828e4] | 15 | owl_timer *t = g_new(owl_timer, 1); |
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[58d1f8a] | 16 | GList **timers = owl_global_get_timerlist(&g); |
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[b7bb454] | 17 | |
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[ca1fc33a] | 18 | t->time = time(NULL) + after; |
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| 19 | t->interval = interval; |
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| 20 | t->callback = cb; |
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[c675b39] | 21 | t->destroy = destroy; |
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[ca1fc33a] | 22 | t->data = data; |
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[d4927a7] | 23 | t->name = name ? g_strdup(name) : NULL; |
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[b7bb454] | 24 | |
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[58d1f8a] | 25 | *timers = g_list_insert_sorted(*timers, t, |
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| 26 | (GCompareFunc)_owl_select_timer_cmp); |
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[ca1fc33a] | 27 | return t; |
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[b7bb454] | 28 | } |
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| 29 | |
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| 30 | void owl_select_remove_timer(owl_timer *t) |
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| 31 | { |
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[58d1f8a] | 32 | GList **timers = owl_global_get_timerlist(&g); |
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| 33 | if (t && g_list_find(*timers, t)) { |
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| 34 | *timers = g_list_remove(*timers, t); |
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[c675b39] | 35 | if(t->destroy) { |
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| 36 | t->destroy(t); |
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| 37 | } |
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[ddbbcffa] | 38 | g_free(t->name); |
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| 39 | g_free(t); |
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[ca1fc33a] | 40 | } |
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[b7bb454] | 41 | } |
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| 42 | |
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[2c79eae] | 43 | static gboolean owl_timer_prepare(GSource *source, int *timeout) { |
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| 44 | GList **timers = owl_global_get_timerlist(&g); |
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| 45 | GTimeVal now; |
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| 46 | |
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| 47 | /* TODO: In the far /far/ future, g_source_get_time is what the cool |
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| 48 | * kids use to get system monotonic time. */ |
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| 49 | g_source_get_current_time(source, &now); |
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| 50 | |
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| 51 | /* FIXME: bother with millisecond accuracy now that we can? */ |
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| 52 | if (*timers) { |
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| 53 | owl_timer *t = (*timers)->data; |
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| 54 | *timeout = t->time - now.tv_sec; |
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| 55 | if (*timeout <= 0) { |
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| 56 | *timeout = 0; |
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| 57 | return TRUE; |
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| 58 | } |
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| 59 | if (*timeout > 60 * 1000) |
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| 60 | *timeout = 60 * 1000; |
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| 61 | } else { |
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| 62 | *timeout = 60 * 1000; |
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| 63 | } |
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| 64 | return FALSE; |
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| 65 | } |
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| 66 | |
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| 67 | static gboolean owl_timer_check(GSource *source) { |
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[58d1f8a] | 68 | GList **timers = owl_global_get_timerlist(&g); |
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[2c79eae] | 69 | GTimeVal now; |
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[b7bb454] | 70 | |
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[2c79eae] | 71 | /* TODO: In the far /far/ future, g_source_get_time is what the cool |
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| 72 | * kids use to get system monotonic time. */ |
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| 73 | g_source_get_current_time(source, &now); |
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| 74 | |
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| 75 | /* FIXME: bother with millisecond accuracy now that we can? */ |
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| 76 | if (*timers) { |
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| 77 | owl_timer *t = (*timers)->data; |
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| 78 | return t->time >= now.tv_sec; |
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| 79 | } |
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| 80 | return FALSE; |
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| 81 | } |
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| 82 | |
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| 83 | |
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| 84 | static gboolean owl_timer_dispatch(GSource *source, GSourceFunc callback, gpointer user_data) { |
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| 85 | GList **timers = owl_global_get_timerlist(&g); |
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| 86 | GTimeVal now; |
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| 87 | |
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| 88 | /* TODO: In the far /far/ future, g_source_get_time is what the cool |
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| 89 | * kids use to get system monotonic time. */ |
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| 90 | g_source_get_current_time(source, &now); |
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| 91 | |
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| 92 | /* FIXME: bother with millisecond accuracy now that we can? */ |
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[58d1f8a] | 93 | while(*timers) { |
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| 94 | owl_timer *t = (*timers)->data; |
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[c675b39] | 95 | int remove = 0; |
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[b7bb454] | 96 | |
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[2c79eae] | 97 | if(t->time > now.tv_sec) |
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[ca1fc33a] | 98 | break; |
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[b7bb454] | 99 | |
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[ca1fc33a] | 100 | /* Reschedule if appropriate */ |
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| 101 | if(t->interval > 0) { |
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[2c79eae] | 102 | t->time = now.tv_sec + t->interval; |
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[58d1f8a] | 103 | *timers = g_list_remove(*timers, t); |
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| 104 | *timers = g_list_insert_sorted(*timers, t, |
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| 105 | (GCompareFunc)_owl_select_timer_cmp); |
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[ca1fc33a] | 106 | } else { |
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[c675b39] | 107 | remove = 1; |
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[ca1fc33a] | 108 | } |
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[b7bb454] | 109 | |
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[ca1fc33a] | 110 | /* Do the callback */ |
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[c675b39] | 111 | t->callback(t, t->data); |
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| 112 | if(remove) { |
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| 113 | owl_select_remove_timer(t); |
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| 114 | } |
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[ca1fc33a] | 115 | } |
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[2c79eae] | 116 | return TRUE; |
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| 117 | } |
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[b7bb454] | 118 | |
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[2c79eae] | 119 | static GSourceFuncs owl_timer_funcs = { |
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| 120 | owl_timer_prepare, |
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| 121 | owl_timer_check, |
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| 122 | owl_timer_dispatch, |
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| 123 | NULL |
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| 124 | }; |
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[b7bb454] | 125 | |
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| 126 | |
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[df0138f] | 127 | static const owl_io_dispatch *owl_select_find_io_dispatch_by_fd(const int fd) |
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| 128 | { |
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| 129 | int i, len; |
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| 130 | const owl_list *dl; |
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| 131 | owl_io_dispatch *d; |
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| 132 | dl = owl_global_get_io_dispatch_list(&g); |
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| 133 | len = owl_list_get_size(dl); |
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| 134 | for(i = 0; i < len; i++) { |
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| 135 | d = owl_list_get_element(dl, i); |
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| 136 | if (d->fd == fd) return d; |
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| 137 | } |
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| 138 | return NULL; |
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| 139 | } |
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| 140 | |
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| 141 | static int owl_select_find_io_dispatch(const owl_io_dispatch *in) |
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| 142 | { |
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| 143 | int i, len; |
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| 144 | const owl_list *dl; |
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| 145 | |
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| 146 | if (in != NULL) { |
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| 147 | dl = owl_global_get_io_dispatch_list(&g); |
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| 148 | len = owl_list_get_size(dl); |
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| 149 | for(i = 0; i < len; i++) { |
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| 150 | const owl_io_dispatch *d = owl_list_get_element(dl, i); |
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| 151 | if (d == in) return i; |
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| 152 | } |
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| 153 | } |
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| 154 | return -1; |
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| 155 | } |
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| 156 | |
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| 157 | void owl_select_remove_io_dispatch(const owl_io_dispatch *in) |
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| 158 | { |
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| 159 | int elt; |
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| 160 | if (in != NULL) { |
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| 161 | elt = owl_select_find_io_dispatch(in); |
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| 162 | if (elt != -1) { |
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| 163 | owl_list *dl = owl_global_get_io_dispatch_list(&g); |
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| 164 | owl_io_dispatch *d = owl_list_get_element(dl, elt); |
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| 165 | if (dispatch_active) |
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| 166 | d->needs_gc = 1; |
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| 167 | else { |
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| 168 | owl_list_remove_element(dl, elt); |
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| 169 | if (d->destroy) |
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| 170 | d->destroy(d); |
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[2c79eae] | 171 | g_source_remove_poll(owl_io_dispatch_source, &d->pollfd); |
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[ddbbcffa] | 172 | g_free(d); |
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[df0138f] | 173 | } |
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| 174 | } |
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| 175 | } |
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| 176 | } |
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| 177 | |
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[ebb8498] | 178 | static void owl_select_io_dispatch_gc(void) |
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[df0138f] | 179 | { |
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| 180 | int i; |
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| 181 | owl_list *dl; |
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| 182 | |
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| 183 | dl = owl_global_get_io_dispatch_list(&g); |
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| 184 | /* |
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| 185 | * Count down so we aren't set off by removing items from the list |
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| 186 | * during the iteration. |
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| 187 | */ |
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| 188 | for(i = owl_list_get_size(dl) - 1; i >= 0; i--) { |
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| 189 | owl_io_dispatch *d = owl_list_get_element(dl, i); |
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| 190 | if(d->needs_gc) { |
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| 191 | owl_select_remove_io_dispatch(d); |
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| 192 | } |
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| 193 | } |
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| 194 | } |
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| 195 | |
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| 196 | /* Each FD may have at most one dispatcher. |
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| 197 | * If a new dispatch is added for an FD, the old one is removed. |
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| 198 | * mode determines what types of events are watched for, and may be any combination of: |
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| 199 | * OWL_IO_READ, OWL_IO_WRITE, OWL_IO_EXCEPT |
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| 200 | */ |
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| 201 | 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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| 202 | { |
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[96828e4] | 203 | owl_io_dispatch *d = g_new(owl_io_dispatch, 1); |
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[df0138f] | 204 | owl_list *dl = owl_global_get_io_dispatch_list(&g); |
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| 205 | |
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| 206 | d->fd = fd; |
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| 207 | d->needs_gc = 0; |
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| 208 | d->mode = mode; |
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| 209 | d->callback = cb; |
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| 210 | d->destroy = destroy; |
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| 211 | d->data = data; |
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| 212 | |
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[2c79eae] | 213 | /* TODO: Allow changing fd and mode in the middle? Probably don't care... */ |
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| 214 | d->pollfd.fd = fd; |
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| 215 | d->pollfd.events = 0; |
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| 216 | if (d->mode & OWL_IO_READ) |
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| 217 | d->pollfd.events |= G_IO_IN | G_IO_HUP | G_IO_ERR; |
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| 218 | if (d->mode & OWL_IO_WRITE) |
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| 219 | d->pollfd.events |= G_IO_OUT | G_IO_ERR; |
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| 220 | if (d->mode & OWL_IO_EXCEPT) |
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| 221 | d->pollfd.events |= G_IO_PRI | G_IO_ERR; |
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| 222 | g_source_add_poll(owl_io_dispatch_source, &d->pollfd); |
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| 223 | |
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| 224 | |
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[df0138f] | 225 | owl_select_remove_io_dispatch(owl_select_find_io_dispatch_by_fd(fd)); |
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| 226 | owl_list_append_element(dl, d); |
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| 227 | |
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| 228 | return d; |
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| 229 | } |
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| 230 | |
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[2c79eae] | 231 | static gboolean owl_io_dispatch_prepare(GSource *source, int *timeout) { |
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| 232 | *timeout = -1; |
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| 233 | return FALSE; |
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| 234 | } |
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[df0138f] | 235 | |
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[2c79eae] | 236 | static gboolean owl_io_dispatch_check(GSource *source) { |
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| 237 | int i, len; |
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| 238 | const owl_list *dl; |
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| 239 | |
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| 240 | dl = owl_global_get_io_dispatch_list(&g); |
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[df0138f] | 241 | len = owl_list_get_size(dl); |
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[2c79eae] | 242 | for(i = 0; i < len; i++) { |
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| 243 | const owl_io_dispatch *d = owl_list_get_element(dl, i); |
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| 244 | if (d->pollfd.revents & d->pollfd.events) |
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| 245 | return TRUE; |
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[df0138f] | 246 | } |
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[2c79eae] | 247 | return FALSE; |
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[df0138f] | 248 | } |
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| 249 | |
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[2c79eae] | 250 | static gboolean owl_io_dispatch_dispatch(GSource *source, GSourceFunc callback, gpointer user_data) { |
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[df0138f] | 251 | int i, len; |
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[2c79eae] | 252 | const owl_list *dl; |
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[df0138f] | 253 | |
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| 254 | dispatch_active = 1; |
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[2c79eae] | 255 | dl = owl_global_get_io_dispatch_list(&g); |
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[df0138f] | 256 | len = owl_list_get_size(dl); |
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| 257 | for (i = 0; i < len; i++) { |
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[2c79eae] | 258 | owl_io_dispatch *d = owl_list_get_element(dl, i); |
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| 259 | if ((d->pollfd.revents & d->pollfd.events) && d->callback != NULL) { |
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[df0138f] | 260 | d->callback(d, d->data); |
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| 261 | } |
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| 262 | } |
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| 263 | dispatch_active = 0; |
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| 264 | owl_select_io_dispatch_gc(); |
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[2c79eae] | 265 | |
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| 266 | return TRUE; |
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[df0138f] | 267 | } |
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| 268 | |
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[2c79eae] | 269 | static GSourceFuncs owl_io_dispatch_funcs = { |
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| 270 | owl_io_dispatch_prepare, |
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| 271 | owl_io_dispatch_check, |
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| 272 | owl_io_dispatch_dispatch, |
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| 273 | NULL |
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| 274 | }; |
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| 275 | |
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[df0138f] | 276 | int owl_select_add_perl_io_dispatch(int fd, int mode, SV *cb) |
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| 277 | { |
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| 278 | const owl_io_dispatch *d = owl_select_find_io_dispatch_by_fd(fd); |
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| 279 | if (d != NULL && d->callback != owl_perlconfig_io_dispatch) { |
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| 280 | /* Don't mess with non-perl dispatch functions from here. */ |
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| 281 | return 1; |
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| 282 | } |
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| 283 | owl_select_add_io_dispatch(fd, mode, owl_perlconfig_io_dispatch, owl_perlconfig_io_dispatch_destroy, cb); |
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| 284 | return 0; |
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| 285 | } |
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| 286 | |
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| 287 | int owl_select_remove_perl_io_dispatch(int fd) |
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| 288 | { |
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| 289 | const owl_io_dispatch *d = owl_select_find_io_dispatch_by_fd(fd); |
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| 290 | if (d != NULL && d->callback == owl_perlconfig_io_dispatch) { |
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| 291 | /* Only remove perl io dispatchers from here. */ |
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| 292 | owl_select_remove_io_dispatch(d); |
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| 293 | return 0; |
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| 294 | } |
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| 295 | return 1; |
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| 296 | } |
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| 297 | |
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[2f69081] | 298 | int owl_select_aim_hack(fd_set *rfds, fd_set *wfds) |
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[9c7a701] | 299 | { |
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| 300 | aim_conn_t *cur; |
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| 301 | aim_session_t *sess; |
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| 302 | int max_fd; |
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| 303 | |
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| 304 | max_fd = 0; |
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| 305 | sess = owl_global_get_aimsess(&g); |
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[a409a9d] | 306 | for (cur = sess->connlist; cur; cur = cur->next) { |
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[9c7a701] | 307 | if (cur->fd != -1) { |
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[2f69081] | 308 | FD_SET(cur->fd, rfds); |
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| 309 | if (cur->status & AIM_CONN_STATUS_INPROGRESS) { |
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| 310 | /* Yes, we're checking writable sockets here. Without it, AIM |
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| 311 | login is really slow. */ |
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| 312 | FD_SET(cur->fd, wfds); |
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| 313 | } |
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| 314 | |
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[9c7a701] | 315 | if (cur->fd > max_fd) |
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| 316 | max_fd = cur->fd; |
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| 317 | } |
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| 318 | } |
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| 319 | return max_fd; |
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| 320 | } |
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| 321 | |
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[5a35c708] | 322 | void owl_process_input_char(owl_input j) |
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| 323 | { |
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| 324 | int ret; |
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| 325 | |
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| 326 | owl_global_set_lastinputtime(&g, time(NULL)); |
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| 327 | ret = owl_keyhandler_process(owl_global_get_keyhandler(&g), j); |
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| 328 | if (ret!=0 && ret!=1) { |
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| 329 | owl_function_makemsg("Unable to handle keypress"); |
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| 330 | } |
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| 331 | } |
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| 332 | |
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[2c79eae] | 333 | #if 0 |
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| 334 | /* FIXME: Reimplement the AIM hack and handle AIM events. */ |
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[c79a047] | 335 | void owl_select(void) |
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[9c7a701] | 336 | { |
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[df0138f] | 337 | int i, max_fd, max_fd2, aim_done, ret; |
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[9c7a701] | 338 | fd_set r; |
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[df0138f] | 339 | fd_set w; |
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[9c7a701] | 340 | fd_set e; |
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[2f69081] | 341 | fd_set aim_rfds, aim_wfds; |
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[3a84694] | 342 | struct timespec timeout; |
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[0cb6c26] | 343 | sigset_t mask; |
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[9c7a701] | 344 | |
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[b7bb454] | 345 | owl_select_process_timers(&timeout); |
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[9c7a701] | 346 | |
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[40bda84] | 347 | owl_select_mask_signals(&mask); |
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| 348 | |
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[3a84694] | 349 | if(owl_global_is_interrupted(&g)) { |
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[40bda84] | 350 | owl_select_handle_intr(&mask); |
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[3a84694] | 351 | return; |
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| 352 | } |
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[df0138f] | 353 | FD_ZERO(&r); |
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| 354 | FD_ZERO(&w); |
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| 355 | FD_ZERO(&e); |
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[3a84694] | 356 | |
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[6fc40a7] | 357 | max_fd = owl_select_prepare_io_dispatch_fd_sets(&r, &w, &e); |
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[9c7a701] | 358 | |
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| 359 | /* AIM HACK: |
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| 360 | * |
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| 361 | * The problem - I'm not sure where to hook into the owl/faim |
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| 362 | * interface to keep track of when the AIM socket(s) open and |
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| 363 | * close. In particular, the bosconn thing throws me off. So, |
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| 364 | * rather than register particular dispatchers for AIM, I look up |
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| 365 | * the relevant FDs and add them to select's watch lists, then |
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| 366 | * check for them individually before moving on to the other |
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| 367 | * dispatchers. --asedeno |
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| 368 | */ |
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| 369 | aim_done = 1; |
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[2f69081] | 370 | FD_ZERO(&aim_rfds); |
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| 371 | FD_ZERO(&aim_wfds); |
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[9c7a701] | 372 | if (owl_global_is_doaimevents(&g)) { |
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| 373 | aim_done = 0; |
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[df0138f] | 374 | max_fd2 = owl_select_aim_hack(&aim_rfds, &aim_wfds); |
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| 375 | if (max_fd < max_fd2) max_fd = max_fd2; |
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| 376 | for(i = 0; i <= max_fd2; i++) { |
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[2f69081] | 377 | if (FD_ISSET(i, &aim_rfds)) { |
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[9c7a701] | 378 | FD_SET(i, &r); |
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| 379 | FD_SET(i, &e); |
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| 380 | } |
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[df0138f] | 381 | if (FD_ISSET(i, &aim_wfds)) { |
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| 382 | FD_SET(i, &w); |
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| 383 | FD_SET(i, &e); |
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| 384 | } |
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[9c7a701] | 385 | } |
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| 386 | } |
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| 387 | /* END AIM HACK */ |
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[2f69081] | 388 | |
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[4f2166b] | 389 | if (owl_select_do_pre_select_actions()) { |
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| 390 | timeout.tv_sec = 0; |
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| 391 | timeout.tv_nsec = 0; |
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| 392 | } |
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| 393 | |
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[df0138f] | 394 | ret = pselect(max_fd+1, &r, &w, &e, &timeout, &mask); |
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[3a84694] | 395 | |
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| 396 | if(ret < 0 && errno == EINTR) { |
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| 397 | if(owl_global_is_interrupted(&g)) { |
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[40bda84] | 398 | owl_select_handle_intr(NULL); |
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[3a84694] | 399 | } |
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[40bda84] | 400 | sigprocmask(SIG_SETMASK, &mask, NULL); |
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[3a84694] | 401 | return; |
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| 402 | } |
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| 403 | |
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[40bda84] | 404 | sigprocmask(SIG_SETMASK, &mask, NULL); |
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[3a84694] | 405 | |
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| 406 | if(ret > 0) { |
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[7ca5d3e] | 407 | /* AIM HACK: process all AIM events at once. */ |
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| 408 | for(i = 0; !aim_done && i <= max_fd; i++) { |
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[df0138f] | 409 | if (FD_ISSET(i, &r) || FD_ISSET(i, &w) || FD_ISSET(i, &e)) { |
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[7ca5d3e] | 410 | if (FD_ISSET(i, &aim_rfds) || FD_ISSET(i, &aim_wfds)) { |
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[9c7a701] | 411 | owl_process_aim(); |
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| 412 | aim_done = 1; |
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| 413 | } |
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| 414 | } |
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| 415 | } |
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[df0138f] | 416 | owl_select_io_dispatch(&r, &w, &e, max_fd); |
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[9c7a701] | 417 | } |
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| 418 | } |
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[2c79eae] | 419 | #endif |
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| 420 | |
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| 421 | void owl_select_init(void) |
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| 422 | { |
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| 423 | owl_timer_source = g_source_new(&owl_timer_funcs, sizeof(GSource)); |
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| 424 | g_source_attach(owl_timer_source, NULL); |
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| 425 | |
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| 426 | owl_io_dispatch_source = g_source_new(&owl_io_dispatch_funcs, sizeof(GSource)); |
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| 427 | g_source_attach(owl_io_dispatch_source, NULL); |
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| 428 | } |
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[3ecd78b] | 429 | |
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| 430 | void owl_select_run_loop(void) |
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| 431 | { |
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[2c79eae] | 432 | loop = g_main_loop_new(NULL, FALSE); |
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| 433 | g_main_loop_run(loop); |
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[3ecd78b] | 434 | } |
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| 435 | |
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| 436 | void owl_select_quit_loop(void) |
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| 437 | { |
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[2c79eae] | 438 | if (loop) { |
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| 439 | g_main_loop_quit(loop); |
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| 440 | loop = NULL; |
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| 441 | } |
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[3ecd78b] | 442 | } |
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