57 	struct snd_shm_area *area = malloc(sizeof(*area));  in snd_shm_area_create()  local
58 	if (area) {  in snd_shm_area_create()
59 		area->shmid = shmid;  in snd_shm_area_create()
60 		area->ptr = ptr;  in snd_shm_area_create()
61 		area->share = 1;  in snd_shm_area_create()
62 		list_add_tail(&area->list, &shm_areas);  in snd_shm_area_create()
64 	return area;  in snd_shm_area_create()
74 struct snd_shm_area *snd_shm_area_share(struct snd_shm_area *area)  in snd_shm_area_share()  argument
76 	if (area == NULL)  in snd_shm_area_share()
78 	area->share++;  in snd_shm_area_share()
79 	return area;  in snd_shm_area_share()
90 int snd_shm_area_destroy(struct snd_shm_area *area)  in snd_shm_area_destroy()  argument
92 	if (area == NULL)  in snd_shm_area_destroy()
94 	if (--area->share)  in snd_shm_area_destroy()
96 	list_del(&area->list);  in snd_shm_area_destroy()
97 	shmdt(area->ptr);  in snd_shm_area_destroy()
98 	free(area);  in snd_shm_area_destroy()
107 	struct snd_shm_area *area;  in snd_shm_area_destructor()  local
110 		area = list_entry(pos, struct snd_shm_area, list);  in snd_shm_area_destructor()
111 		shmdt(area->ptr);  in snd_shm_area_destructor()