| cb2256 | 1995-10-11 | Fredrik Hübinette (Hubbe) | |
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | #include "macros.h"
#include "callback.h"
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | struct callback
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | {
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | struct callback *next;
callback_func call;
callback_func free_func;
void *arg;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | };
struct callback *first_callback =0;
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | struct callback *free_callbacks =0;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | |
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | #define CALLBACK_CHUNK 128
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | |
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | struct callback_block {
struct callback_block *next;
struct callback callbacks[CALLBACK_CHUNK];
};
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | |
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | static struct callback *get_free_callback()
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | {
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | struct callback *tmp;
if(!(tmp=free_callbacks))
{
int e;
struct callback_block *tmp2;
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| 359289 | 1996-06-21 | Fredrik Hübinette (Hubbe) | | tmp2=ALLOC_STRUCT(callback_block);
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | |
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| ddea55 | 1996-07-01 | Fredrik Hübinette (Hubbe) | | for(e=0;e<(int)sizeof(CALLBACK_CHUNK);e++)
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | {
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| 359289 | 1996-06-21 | Fredrik Hübinette (Hubbe) | | tmp2->callbacks[e].next=tmp;
tmp=tmp2->callbacks+e;
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | }
}
free_callbacks=tmp->next;
return tmp;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | }
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| ddea55 | 1996-07-01 | Fredrik Hübinette (Hubbe) | | void call_callback(struct callback **ptr, void *arg)
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | {
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | struct callback *l;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | while(l=*ptr)
{
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| ddea55 | 1996-07-01 | Fredrik Hübinette (Hubbe) | | if(l->call) l->call(l,l->arg, arg);
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | |
if(!l->call)
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | {
*ptr=l->next;
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | l->next=free_callbacks;
free_callbacks=l;
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| ddea55 | 1996-07-01 | Fredrik Hübinette (Hubbe) | | }else{
ptr=& l->next;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | }
}
}
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | struct callback *add_to_callback(struct callback **ptr,
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| 359289 | 1996-06-21 | Fredrik Hübinette (Hubbe) | | callback_func call,
void *arg,
callback_func free_func)
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | {
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | struct callback *l;
l=get_free_callback();
l->call=call;
l->arg=arg;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | l->next=*ptr;
*ptr=l;
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | return l;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | }
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | |
void *remove_callback(struct callback *l)
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | {
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | l->call=0;
return l->arg;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | }
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | void free_callback(struct callback **ptr)
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | {
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | struct callback *l;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | while(l=*ptr)
{
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| 359289 | 1996-06-21 | Fredrik Hübinette (Hubbe) | | if(l->arg && l->free_func)
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| ddea55 | 1996-07-01 | Fredrik Hübinette (Hubbe) | | l->free_func(l, l->arg, 0);
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | *ptr=l->next;
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| 8f4f88 | 1996-06-20 | Fredrik Hübinette (Hubbe) | | l->next=free_callbacks;
free_callbacks=l;
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| 5267b7 | 1995-08-09 | Fredrik Hübinette (Hubbe) | | }
}
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