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A lot of more work to get the lock-free stuff in place

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1474 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-06-13 22:08:14 +00:00
parent 69115687ad
commit be4a882836
33 changed files with 908 additions and 694 deletions
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70
src/pulsecore/object.h
View file

@ -25,7 +25,9 @@
USA.
***/
#include <string.h>
#include <sys/types.h>
#include <pulse/xmalloc.h>
#include <pulsecore/refcnt.h>
#include <pulsecore/macro.h>
@ -36,13 +38,22 @@ struct pa_object {
PA_REFCNT_DECLARE;
const char *type_name;
void (*free)(pa_object *o);
int (*check_type)(pa_object *o, const char *type_name);
};
pa_object *pa_object_new_internal(size_t size, const char *type_name);
#define pa_object_new(type) ((type*) pa_object_new_internal(sizeof(type), #type))
pa_object *pa_object_new_internal(size_t size, const char *type_name, int (*check_type)(pa_object *o, const char *type_name));
#define pa_object_new(type, check_type) ((type*) pa_object_new_internal(sizeof(type), #type, check_type)
#define pa_object_free ((void (*) (pa_object* o)) pa_xfree)
int pa_object_check_type(pa_object *o, const char *type);
static inline int pa_object_isinstance(void *o) {
pa_object *obj = (pa_object*) o;
pa_assert(obj);
return obj->check_type(obj, "pa_object");
}
pa_object *pa_object_ref(pa_object *o);
void pa_object_unref(pa_object *o);
@ -50,23 +61,50 @@ static inline int pa_object_refcnt(pa_object *o) {
return o ? PA_REFCNT_VALUE(o) : 0;
}
static inline pa_object* pa_object_cast(void *o) {
pa_object *obj = (pa_object*) o;
pa_assert(obj->check_type(obj, "pa_object"));
return obj;
}
#define pa_object_assert_ref(o) pa_assert(pa_object_refcnt(o))
#define PA_OBJECT(o) ((pa_object*) (o))
#define PA_OBJECT(o) pa_object_cast(o)
#define PA_DECLARE_CLASS(c) \
static inline c* c##_ref(c *o) { \
return (c*) pa_object_ref(PA_OBJECT(o)); \
} \
static inline void c##_unref(c* o) { \
pa_object_unref(PA_OBJECT(o)); \
} \
static inline int c##_refcnt(c* o) { \
return pa_object_refcnt(PA_OBJECT(o)); \
} \
static inline void c##_assert_ref(c *o) { \
pa_object_assert_ref(PA_OBJECT(o)); \
} \
#define PA_DECLARE_CLASS(c) \
static inline int c##_isinstance(void *o) { \
pa_object *obj = (pa_object*) o; \
pa_assert(obj); \
return obj->check_type(obj, #c); \
} \
static inline c* c##_cast(void *o) { \
pa_assert(c##_isinstance(o)); \
return (c*) o; \
} \
static inline c* c##_ref(c *o) { \
return (c*) pa_object_ref(PA_OBJECT(o)); \
} \
static inline void c##_unref(c* o) { \
pa_object_unref(PA_OBJECT(o)); \
} \
static inline int c##_refcnt(c* o) { \
return pa_object_refcnt(PA_OBJECT(o)); \
} \
static inline void c##_assert_ref(c *o) { \
pa_object_assert_ref(PA_OBJECT(o)); \
} \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_DEFINE_CHECK_TYPE(c, func, parent) \
int func(pa_object *o, const char *type) { \
pa_assert(o); \
pa_assert(type); \
if (type == #c || \
strcmp(type, #c) == 0) \
return 1; \
return parent(o, type); \
} \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#endif