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lfqueue: don't use defer_rcu anymore
[urcu.git]
/
urcu-call-rcu-impl.h
diff --git
a/urcu-call-rcu-impl.h
b/urcu-call-rcu-impl.h
index 82fec80fc2c857032a1d7831c568e47cc0e528c8..bd3126be5c8030df50f59c6f491c58716394c583 100644
(file)
--- a/
urcu-call-rcu-impl.h
+++ b/
urcu-call-rcu-impl.h
@@
-211,12
+211,12
@@
static void *call_rcu_thread(void *arg)
}
thread_call_rcu_data = crdp;
}
thread_call_rcu_data = crdp;
+ if (!rt) {
+ uatomic_dec(&crdp->futex);
+ /* Decrement futex before reading call_rcu list */
+ cmm_smp_mb();
+ }
for (;;) {
for (;;) {
- if (!rt) {
- uatomic_dec(&crdp->futex);
- /* Decrement futex before reading call_rcu list */
- cmm_smp_mb();
- }
if (&crdp->cbs.head != _CMM_LOAD_SHARED(crdp->cbs.tail)) {
while ((cbs = _CMM_LOAD_SHARED(crdp->cbs.head)) == NULL)
poll(NULL, 0, 1);
if (&crdp->cbs.head != _CMM_LOAD_SHARED(crdp->cbs.tail)) {
while ((cbs = _CMM_LOAD_SHARED(crdp->cbs.head)) == NULL)
poll(NULL, 0, 1);
@@
-240,21
+240,32
@@
static void *call_rcu_thread(void *arg)
} while (cbs != NULL);
uatomic_sub(&crdp->qlen, cbcount);
}
} while (cbs != NULL);
uatomic_sub(&crdp->qlen, cbcount);
}
- if (uatomic_read(&crdp->flags) & URCU_CALL_RCU_STOP) {
- if (!rt) {
+ if (uatomic_read(&crdp->flags) & URCU_CALL_RCU_STOP)
+ break;
+ if (!rt) {
+ if (&crdp->cbs.head
+ == _CMM_LOAD_SHARED(crdp->cbs.tail)) {
+ call_rcu_wait(crdp);
+ poll(NULL, 0, 10);
+ uatomic_dec(&crdp->futex);
/*
/*
- * Read call_rcu list before write futex.
+ * Decrement futex before reading
+ * call_rcu list.
*/
cmm_smp_mb();
*/
cmm_smp_mb();
- uatomic_set(&crdp->futex, 0);
+ } else {
+ poll(NULL, 0, 10);
}
}
- break;
- }
- if (!rt) {
- if (&crdp->cbs.head == _CMM_LOAD_SHARED(crdp->cbs.tail))
- call_rcu_wait(crdp);
+ } else {
+ poll(NULL, 0, 10);
}
}
- poll(NULL, 0, 10);
+ }
+ if (!rt) {
+ /*
+ * Read call_rcu list before write futex.
+ */
+ cmm_smp_mb();
+ uatomic_set(&crdp->futex, 0);
}
uatomic_or(&crdp->flags, URCU_CALL_RCU_STOPPED);
return NULL;
}
uatomic_or(&crdp->flags, URCU_CALL_RCU_STOPPED);
return NULL;
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