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kernel: use circular lists in various places

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wnstngs
2026-10-07 10:32:08 +03:00
parent 513faa92c7
commit 9cffe521f3
6 changed files with 23 additions and 13 deletions
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kernel-src/sys/syscalls/futex.c
+9 -1
View File
@@ -1,4 +1,5 @@
#include <kernel/syscalls.h>
#include <kernel/init.h>
#include <kernel/mm.h>
#include <list.h>
#include <semaphore.h>
@@ -94,7 +95,7 @@ static int wait_on_bucket(futex_bucket_t *bucket, uintptr_t key, size_t timeoutu
else if (state == ENTRY_STATE_TIMEOUT)
error = ETIMEDOUT;
list_remove(&bucket->list, &entry.list_node);
list_remove(&entry.list_node);
MUTEX_RELEASE(&bucket->mutex);
@@ -180,3 +181,10 @@ syscallret_t syscall_futex(context_t *, uint32_t *futexp, int op, uint32_t value
mm_unlock_and_release_page(physical);
return ret;
}
static void futex_init(void) {
for (size_t i = 0; i < BUCKET_COUNT; ++i)
list_init(&buckets[i].list);
}
INIT_ROUTINE_DEFINE(futex, INIT_ROUTINE_FLAGS_NONE, futex_init, bsp_early);
kernel-src/sys/work.c
+4 -4
View File
@@ -32,11 +32,11 @@ static bool work_active(work_queue_t *wq, work_t *work) {
}
static void wake_waiters(work_queue_t *wq, work_t *work) {
list_for_each_safe (&wq->waiter_list, node) {
list_for_each_safe (&wq->waiter_list, node, next) {
work_waiter_t *ww = (work_waiter_t *)node;
if (ww->work == work) {
list_remove(&wq->waiter_list, &ww->list_node);
list_remove(&ww->list_node);
sched_wakeup(ww->thread, SCHED_WAKEUP_REASON_NORMAL);
}
}
@@ -83,7 +83,7 @@ static void worker() {
ipl = spinlock_acquire_raise_ipl(&wq->lock, wq->lock_ipl);
wake_waiters(wq, work);
list_remove(&wq->active_list, &aw.list_node);
list_remove(&aw.list_node);
spinlock_release_lower_ipl(&wq->lock, ipl);
}
}
@@ -163,7 +163,7 @@ int work_dequeue(work_queue_t *wq, work_t *work) {
goto leave;
wake_waiters(wq, work);
list_remove(&wq->work_list, &work->list_node);
list_remove(&work->list_node);
work->pending = 0;
leave: