-#ifndef _LINUX_RING_BUFFER_FRONTEND_TYPES_H
-#define _LINUX_RING_BUFFER_FRONTEND_TYPES_H
+#ifndef _LIB_RING_BUFFER_FRONTEND_TYPES_H
+#define _LIB_RING_BUFFER_FRONTEND_TYPES_H
/*
- * linux/ringbuffer/frontend_types.h
- *
- * (C) Copyright 2005-2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * lib/ringbuffer/frontend_types.h
*
* Ring Buffer Library Synchronization Header (types).
*
+ * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
* Author:
* Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* See ring_buffer_frontend.c for more information on wait-free algorithms.
- *
- * Dual LGPL v2.1/GPL v2 license.
*/
#include <linux/kref.h>
-#include "../../wrapper/ringbuffer/config.h"
-#include "../../wrapper/ringbuffer/backend_types.h"
-#include "../../wrapper/spinlock.h"
-#include "../../lib/prio_heap/lttng_prio_heap.h" /* For per-CPU read-side iterator */
+#include <wrapper/ringbuffer/config.h>
+#include <wrapper/ringbuffer/backend_types.h>
+#include <wrapper/spinlock.h>
+#include <lib/prio_heap/lttng_prio_heap.h> /* For per-CPU read-side iterator */
+#include <lttng-cpuhotplug.h>
/*
* A switch is done during tracing or as a final flush after tracing (so it
unsigned long switch_timer_interval; /* Buffer flush (jiffies) */
unsigned long read_timer_interval; /* Reader wakeup (jiffies) */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+ struct lttng_cpuhp_node cpuhp_prepare;
+ struct lttng_cpuhp_node cpuhp_online;
+ struct lttng_cpuhp_node cpuhp_iter_online;
+#else
struct notifier_block cpu_hp_notifier; /* CPU hotplug notifier */
- struct notifier_block tick_nohz_notifier; /* CPU nohz notifier */
struct notifier_block hp_iter_notifier; /* hotplug iterator notifier */
unsigned int cpu_hp_enable:1; /* Enable CPU hotplug notif. */
unsigned int hp_iter_enable:1; /* Enable hp iter notif. */
+#endif
+ struct notifier_block tick_nohz_notifier; /* CPU nohz notifier */
wait_queue_head_t read_wait; /* reader wait queue */
wait_queue_head_t hp_wait; /* CPU hotplug wait queue */
int finalized; /* Has channel been finalized */
unsigned long cons_snapshot; /* Consumer count snapshot */
unsigned int get_subbuf:1, /* Sub-buffer being held by reader */
switch_timer_enabled:1, /* Protected by ring_buffer_nohz_lock */
- read_timer_enabled:1; /* Protected by ring_buffer_nohz_lock */
+ read_timer_enabled:1, /* Protected by ring_buffer_nohz_lock */
+ quiescent:1;
};
static inline
return chan->backend.priv;
}
+void lib_ring_buffer_lost_event_too_big(struct channel *chan);
+
/*
* Issue warnings and disable channels upon internal error.
* Can receive struct lib_ring_buffer or struct lib_ring_buffer_backend
_____ret; \
})
-#endif /* _LINUX_RING_BUFFER_FRONTEND_TYPES_H */
+#endif /* _LIB_RING_BUFFER_FRONTEND_TYPES_H */