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kernel: use list.h for DPC queues

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This commit is contained in:
wnstngs
2026-10-07 10:23:18 +03:00
parent 90cbe1d6aa
commit 3894be1a15
3 changed files with 11 additions and 30 deletions
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kernel-src/sys/dpc.c
+8 -27
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@@ -4,30 +4,10 @@
#include <logging.h>
static void remove(dpc_t *dpc) {
if (dpc->prev)
dpc->prev->next = dpc->next;
else
current_cpu()->dpcqueue = dpc->next;
if (dpc->next)
dpc->next->prev = dpc->prev;
}
static void insert(dpc_t *dpc) {
dpc->prev = NULL;
dpc->next = current_cpu()->dpcqueue;
if (dpc->next)
dpc->next->prev = dpc;
current_cpu()->dpcqueue = dpc;
}
static void isrfn(isr_t *self, context_t *context) {
while (current_cpu()->dpcqueue) {
dpc_t *dpc = current_cpu()->dpcqueue;
remove(dpc);
list_node_t *node;
while ((node = list_pop_front(&current_cpu()->dpcqueue)) != NULL) {
dpc_t *dpc = (dpc_t *)node;
dpcarg_t arg = dpc->arg;
__assert(dpc->enqueued);
@@ -42,8 +22,8 @@ static void isrfn(isr_t *self, context_t *context) {
void dpc_prepare(dpc_t *dpc, dpcfn_t fn) {
dpc->fn = fn;
dpc->enqueued = false;
dpc->next = NULL;
dpc->prev = NULL;
dpc->list_node.next = NULL;
dpc->list_node.prev = NULL;
}
void dpc_enqueue(dpc_t *dpc, dpcarg_t arg) {
@@ -54,7 +34,7 @@ void dpc_enqueue(dpc_t *dpc, dpcarg_t arg) {
dpc->arg = arg;
dpc->enqueued = true;
insert(dpc);
list_push_front(&current_cpu()->dpcqueue, &dpc->list_node);
interrupt_raise(current_cpu()->dpcisr);
cleanup:
@@ -68,13 +48,14 @@ void dpc_dequeue(dpc_t *dpc) {
goto cleanup;
dpc->enqueued = false;
remove(dpc);
list_remove(&dpc->list_node);
cleanup:
interrupt_set(entrystate);
}
void dpc_init() {
list_init(&current_cpu()->dpcqueue);
current_cpu()->dpcisr = interrupt_allocate(isrfn, NULL, IPL_DPC);
__assert(current_cpu()->dpcisr);
}