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199 lines
4.4 KiB
199 lines
4.4 KiB
#ifndef _OBJ_H_
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#define _OBJ_H_
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#include <glib.h>
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#include <sys/types.h>
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#include <string.h>
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#include <assert.h>
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#include <stdlib.h>
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#include "compat.h"
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#if 0 && defined(__DEBUG)
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#define OBJ_DEBUG 1
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#else
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#define OBJ_DEBUG 0
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#endif
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struct obj {
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#if OBJ_DEBUG
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u_int32_t magic;
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char *type;
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#endif
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volatile gint ref;
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void (*free_func)(void *);
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unsigned int size;
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};
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#if OBJ_DEBUG
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#define OBJ_MAGIC 0xf1eef1ee
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#define obj_alloc(t,a,b) __obj_alloc(a,b,t,__FILE__,__LINE__)
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#define obj_alloc0(t,a,b) __obj_alloc0(a,b,t,__FILE__,__LINE__)
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#define obj_hold(a) __obj_hold(&(a)->obj,__FILE__,__LINE__)
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#define obj_get(a) __obj_get(&(a)->obj,__FILE__,__LINE__)
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#define obj_put(a) __obj_put(&(a)->obj,__FILE__,__LINE__)
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#define obj_hold_o(a) __obj_hold(a,__FILE__,__LINE__)
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#define obj_get_o(a) __obj_get(a,__FILE__,__LINE__)
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#define obj_put_o(a) __obj_put(a,__FILE__,__LINE__)
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INLINE void __obj_init(struct obj *o, unsigned int size, void (*free_func)(void *),
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const char *type, const char *file, unsigned int line);
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INLINE void *__obj_alloc(unsigned int size, void (*free_func)(void *),
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const char *type, const char *file, unsigned int line);
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INLINE void *__obj_alloc0(unsigned int size, void (*free_func)(void *),
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const char *type, const char *file, unsigned int line);
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INLINE struct obj *__obj_hold(struct obj *o,
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const char *type, const char *file, unsigned int line);
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INLINE void *__obj_get(struct obj *o,
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const char *type, const char *file, unsigned int line);
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INLINE void __obj_put(struct obj *o,,
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const char *type, const char *file, unsigned int line);
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#else
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#define obj_alloc(t,a,b) __obj_alloc(a,b)
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#define obj_alloc0(t,a,b) __obj_alloc0(a,b)
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#define obj_hold(a) __obj_hold(&(a)->obj)
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#define obj_get(a) __obj_get(&(a)->obj)
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#define obj_put(a) __obj_put(&(a)->obj)
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#define obj_hold_o(a) __obj_hold(a)
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#define obj_get_o(a) __obj_get(a)
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#define obj_put_o(a) __obj_put(a)
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INLINE void __obj_init(struct obj *o, unsigned int size, void (*free_func)(void *));
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INLINE void *__obj_alloc(unsigned int size, void (*free_func)(void *));
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INLINE void *__obj_alloc0(unsigned int size, void (*free_func)(void *));
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INLINE struct obj *__obj_hold(struct obj *o);
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INLINE void *__obj_get(struct obj *o);
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INLINE void __obj_put(struct obj *o);
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#endif
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#include "log.h"
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INLINE void __obj_init(struct obj *o, unsigned int size, void (*free_func)(void *)
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#if OBJ_DEBUG
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, const char *type, const char *file, unsigned int line
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#endif
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) {
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#if OBJ_DEBUG
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o->magic = OBJ_MAGIC;
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o->type = strdup(type);
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mylog(LOG_DEBUG, "obj_allocX(\"%s\") -> %p [%s:%u]", type, o, file, line);
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#endif
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o->ref = 1;
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o->free_func = free_func;
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o->size = size;
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}
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INLINE void *__obj_alloc(unsigned int size, void (*free_func)(void *)
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#if OBJ_DEBUG
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, const char *type, const char *file, unsigned int line
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#endif
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) {
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struct obj *r;
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r = g_slice_alloc(size);
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__obj_init(r, size, free_func
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#if OBJ_DEBUG
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, type, file, line
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#endif
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);
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return r;
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}
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INLINE void *__obj_alloc0(unsigned int size, void (*free_func)(void *)
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#if OBJ_DEBUG
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, const char *type, const char *file, unsigned int line
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#endif
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) {
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struct obj *r;
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r = g_slice_alloc0(size);
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__obj_init(r, size, free_func
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#if OBJ_DEBUG
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, type, file, line
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#endif
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);
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return r;
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}
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INLINE struct obj *__obj_hold(struct obj *o
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#if OBJ_DEBUG
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, const char *file, unsigned int line
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#endif
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) {
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#if OBJ_DEBUG
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assert(o->magic == OBJ_MAGIC);
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mylog(LOG_DEBUG, "obj_hold(%p, \"%s\"), refcnt before %u [%s:%u]",
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o, o->type, g_atomic_int_get(&o->ref), file, line);
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#endif
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g_atomic_int_inc(&o->ref);
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#if OBJ_DEBUG
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mylog(LOG_DEBUG, "obj_hold(%p, \"%s\"), refcnt after %u [%s:%u]",
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o, o->type, g_atomic_int_get(&o->ref), file, line);
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#endif
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return o;
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}
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INLINE void *__obj_get(struct obj *o
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#if OBJ_DEBUG
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, const char *file, unsigned int line
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#endif
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) {
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return __obj_hold(o
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#if OBJ_DEBUG
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, file, line
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#endif
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);
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}
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INLINE void __obj_put(struct obj *o
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#if OBJ_DEBUG
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, const char *file, unsigned int line
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#endif
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) {
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#if OBJ_DEBUG
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assert(o->magic == OBJ_MAGIC);
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mylog(LOG_DEBUG, "obj_put(%p, \"%s\"), refcnt before %u [%s:%u]",
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o, o->type, g_atomic_int_get(&o->ref), file, line);
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#endif
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if (!g_atomic_int_dec_and_test(&o->ref))
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return;
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#if OBJ_DEBUG
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mylog(LOG_DEBUG, "obj_put(%p, \"%s\"), refcnt after %u [%s:%u]",
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o, o->type, g_atomic_int_get(&o->ref), file, line);
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free(o->type);
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#endif
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if (o->free_func)
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o->free_func(o);
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#if OBJ_DEBUG
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o->magic = 0;
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#endif
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g_slice_free1(o->size, o);
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}
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#endif
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