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MINOR: tasks: Add a flag that tells if we're in the global runqueue.

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How that we have bits available in task->state, add a flag that tells if we're
in the global runqueue or not.
This commit is contained in:
Olivier Houchard 2018-07-26 16:19:58 +02:00 committed by Willy Tarreau
parent f0cea1ee3f
commit 76e45181b2
3 changed files with 4 additions and 0 deletions
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2
include/proto/task.h
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@ -181,6 +181,8 @@ static inline struct task *__task_unlink_rq(struct task *t)
{
HA_ATOMIC_SUB(&tasks_run_queue, 1);
eb32sc_delete(&t->rq);
if (t->state & TASK_GLOBAL)
HA_ATOMIC_AND(&t->state, ~TASK_GLOBAL);
if (likely(t->nice))
HA_ATOMIC_SUB(&niced_tasks, 1);
return t;

1
include/types/task.h
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@ -32,6 +32,7 @@
/* values for task->state */
#define TASK_SLEEPING 0x0000 /* task sleeping */
#define TASK_RUNNING 0x0001 /* the task is currently running */
#define TASK_GLOBAL 0x0002 /* The task is currently in the global runqueue */
#define TASK_WOKEN_INIT 0x0100 /* woken up for initialisation purposes */
#define TASK_WOKEN_TIMER 0x0200 /* woken up because of expired timer */

1
src/task.c
View File

@ -143,6 +143,7 @@ redo:
#ifdef USE_THREAD
if (root == &rqueue) {
global_rqueue_size++;
HA_ATOMIC_OR(&t->state, TASK_GLOBAL);
HA_SPIN_UNLOCK(TASK_RQ_LOCK, &rq_lock);
} else
#endif