Comments (3)
logically, if you take the second parameter "list" as a node of one certain list(the first node of the list), the "add tail" logical to a list can be treated as a logic of "add prev" to a certain node(the first node of the list), the code is just equivalent to:
void tos_list_add_prev(k_list_t *node, k_list_t *first_node_of_the_list) {
balabala
}
but semantically, we take the second parameter "list" as a list rather than a node, as a list, "add tail" is a more reasonable function name rather than "add prev"(what's the meaning of add prev to a list?)
as to the "tos_list_add", just consider it as "add head" to a list.
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ho ho ho,dude, A ring list designed.
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tos_list.h is an implement of double linked list, aka ring list, each node has another link to the previous one, more memory space but faster performance to do delete/insert operation, widely used in kernel which cares about the delete/insert performance a lot.
tos_slist.h is an implement of single linked list, each node only has a link to the next one, with less memory space but less good at the "tail add" or delete operation.
from tencentos-tiny.
Related Issues (20)
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