112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
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#include "ecore_private.h"
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#include "Ecore.h"
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static Ecore_Idle_Exiter *idle_exiters = NULL;
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static int idle_exiters_delete_me = 0;
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/**
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* Add an idle exiter handler.
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* @param func The function to call when exiting an idle state.
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* @param data The data to be passed to the @p func call
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* @return A handle to the idle exiter callback
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*
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* This function adds an idle exiter handler and returns its handle on success
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* or NULL on failure. Idle exiters are called just after he program wakes up
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* from an idle state where it is waiting on timers to time out, data to come
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* in on file descriptors, etc. When @p func is called, it will be passed
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* the pointer @p data.
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*/
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Ecore_Idle_Exiter *
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ecore_idle_exiter_add(int (*func) (void *data), const void *data)
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{
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Ecore_Idle_Exiter *ie;
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if (!func) return NULL;
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ie = calloc(1, sizeof(Ecore_Idle_Exiter));
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if (!ie) return NULL;
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ECORE_MAGIC_SET(ie, ECORE_MAGIC_IDLE_EXITER);
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ie->func = func;
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ie->data = (void *)data;
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idle_exiters = _ecore_list_append(idle_exiters, ie);
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return ie;
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}
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/**
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* Delete an idle exit handler.
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* @param idle_exiter The idle exiter to delete
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*
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* Delete the specified @p idle_exiter from the set of idle_exiters that are
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* executed during main loop execution. On success the data pointer that was
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* being passed to the idle handler function, set by ecore_idle_exiter_add()
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* will be returned.
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*/
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void *
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ecore_idle_exiter_del(Ecore_Idle_Exiter *idle_exiter)
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{
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if (!ECORE_MAGIC_CHECK(idle_exiter, ECORE_MAGIC_IDLE_EXITER))
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{
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ECORE_MAGIC_FAIL(idle_exiter, ECORE_MAGIC_IDLE_EXITER,
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"ecore_idle_exiter_del");
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return NULL;
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}
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idle_exiter->delete_me = 1;
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idle_exiters_delete_me = 1;
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return idle_exiter->data;
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}
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void
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_ecore_idle_exiter_shutdown(void)
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{
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while (idle_exiters)
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{
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Ecore_Idle_Exiter *ie;
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ie = idle_exiters;
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idle_exiters = _ecore_list_remove(idle_exiters, ie);
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ECORE_MAGIC_SET(ie, ECORE_MAGIC_NONE);
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free(ie);
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}
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idle_exiters_delete_me = 0;
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}
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void
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_ecore_idle_exiter_call(void)
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{
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Ecore_List *l;
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for (l = (Ecore_List *)idle_exiters; l; l = l->next)
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{
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Ecore_Idle_Exiter *ie;
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ie = (Ecore_Idle_Exiter *)l;
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if (!ie->delete_me)
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{
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if (!ie->func(ie->data)) ecore_idle_exiter_del(ie);
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}
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}
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if (idle_exiters_delete_me)
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{
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for (l = (Ecore_List *)idle_exiters; l;)
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{
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Ecore_Idle_Exiter *ie;
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ie = (Ecore_Idle_Exiter *)l;
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l = l->next;
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if (ie->delete_me)
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{
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idle_exiters = _ecore_list_remove(idle_exiters, ie);
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ECORE_MAGIC_SET(ie, ECORE_MAGIC_NONE);
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free(ie);
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}
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}
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idle_exiters_delete_me = 0;
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}
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}
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int
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_ecore_idle_exiter_exist(void)
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{
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if (idle_exiters) return 1;
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return 0;
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}
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