You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
667 lines
17 KiB
667 lines
17 KiB
/*
|
|
* Copyright 2009-2015 Samy Al Bahra.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef CK_RING_H
|
|
#define CK_RING_H
|
|
|
|
#include <ck_cc.h>
|
|
#include <ck_md.h>
|
|
#include <ck_pr.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
|
|
/*
|
|
* Concurrent ring buffer.
|
|
*/
|
|
|
|
struct ck_ring {
|
|
unsigned int c_head;
|
|
char pad[CK_MD_CACHELINE - sizeof(unsigned int)];
|
|
unsigned int p_tail;
|
|
unsigned int p_head;
|
|
char _pad[CK_MD_CACHELINE - sizeof(unsigned int) * 2];
|
|
unsigned int size;
|
|
unsigned int mask;
|
|
};
|
|
typedef struct ck_ring ck_ring_t;
|
|
|
|
struct ck_ring_buffer {
|
|
void *value;
|
|
};
|
|
typedef struct ck_ring_buffer ck_ring_buffer_t;
|
|
|
|
CK_CC_INLINE static unsigned int
|
|
ck_ring_size(const struct ck_ring *ring)
|
|
{
|
|
unsigned int c, p;
|
|
|
|
c = ck_pr_load_uint(&ring->c_head);
|
|
p = ck_pr_load_uint(&ring->p_tail);
|
|
return (p - c) & ring->mask;
|
|
}
|
|
|
|
CK_CC_INLINE static unsigned int
|
|
ck_ring_capacity(const struct ck_ring *ring)
|
|
{
|
|
return ring->size;
|
|
}
|
|
|
|
#define CK_RING_ENQUEUE_SP_DEFINE(ring, buffer, entry, ts, size, P) do {\
|
|
unsigned int consumer, producer, delta; \
|
|
unsigned int mask = ring->mask; \
|
|
\
|
|
consumer = ck_pr_load_uint(&ring->c_head); \
|
|
producer = ring->p_tail; \
|
|
delta = producer + 1; \
|
|
if (P) \
|
|
*(unsigned int *)size = (producer - consumer) & mask; \
|
|
\
|
|
if ((delta & mask) == (consumer & mask)) \
|
|
return false; \
|
|
\
|
|
buffer = (char *)buffer + ts * (producer & mask); \
|
|
memcpy(buffer, entry, ts); \
|
|
\
|
|
/* \
|
|
* Make sure to update slot value before indicating \
|
|
* that the slot is available for consumption. \
|
|
*/ \
|
|
ck_pr_fence_store(); \
|
|
ck_pr_store_uint(&ring->p_tail, delta); \
|
|
return true; \
|
|
} while (0)
|
|
|
|
/*
|
|
* This variant of ck_ring_enqueue_spsc returns the snapshot of queue length
|
|
* with respect to the linearization point. This can be used to extract ring
|
|
* size without incurring additional cacheline invalidation overhead from the
|
|
* writer.
|
|
*/
|
|
CK_CC_INLINE static bool
|
|
_ck_ring_enqueue_spsc_size(struct ck_ring *ring,
|
|
void *restrict buffer,
|
|
const void *restrict entry,
|
|
unsigned int ts,
|
|
unsigned int *size)
|
|
{
|
|
|
|
CK_RING_ENQUEUE_SP_DEFINE(ring, buffer, entry, ts,
|
|
size, true);
|
|
}
|
|
|
|
/*
|
|
* Atomically enqueues the specified entry. Returns true on success, returns
|
|
* false if the ck_ring is full. This operation only support one active
|
|
* invocation at a time and works in the presence of a concurrent invocation
|
|
* of ck_ring_dequeue_spsc.
|
|
*/
|
|
CK_CC_INLINE static bool
|
|
_ck_ring_enqueue_spsc(struct ck_ring *ring,
|
|
void *restrict destination,
|
|
const void *restrict source,
|
|
unsigned int ts)
|
|
{
|
|
|
|
CK_RING_ENQUEUE_SP_DEFINE(ring, destination, source,
|
|
ts, NULL, false);
|
|
}
|
|
|
|
#undef CK_RING_ENQUEUE_SP_DEFINE
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_enqueue_spsc_size(struct ck_ring *ring,
|
|
struct ck_ring_buffer *buffer,
|
|
const void *entry,
|
|
unsigned int *size)
|
|
{
|
|
|
|
return _ck_ring_enqueue_spsc_size(ring, buffer, &entry,
|
|
sizeof(entry), size);
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_enqueue_spsc(struct ck_ring *ring,
|
|
struct ck_ring_buffer *buffer,
|
|
const void *entry)
|
|
{
|
|
|
|
return _ck_ring_enqueue_spsc(ring, buffer,
|
|
&entry, sizeof(entry));
|
|
}
|
|
|
|
/*
|
|
* Single consumer and single producer ring buffer dequeue (consumer).
|
|
*/
|
|
CK_CC_INLINE static bool
|
|
_ck_ring_dequeue_spsc(struct ck_ring *ring,
|
|
const void *restrict buffer,
|
|
void *restrict target,
|
|
unsigned int size)
|
|
{
|
|
unsigned int consumer, producer;
|
|
unsigned int mask = ring->mask;
|
|
|
|
consumer = ring->c_head;
|
|
producer = ck_pr_load_uint(&ring->p_tail);
|
|
|
|
if (consumer == producer)
|
|
return false;
|
|
|
|
/*
|
|
* Make sure to serialize with respect to our snapshot
|
|
* of the producer counter.
|
|
*/
|
|
ck_pr_fence_load();
|
|
|
|
buffer = (const char *)buffer + size * (consumer & mask);
|
|
memcpy(target, buffer, size);
|
|
|
|
/*
|
|
* Make sure copy is completed with respect to consumer
|
|
* update.
|
|
*/
|
|
ck_pr_fence_store();
|
|
ck_pr_store_uint(&ring->c_head, consumer + 1);
|
|
return true;
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_dequeue_spsc(struct ck_ring *ring,
|
|
const struct ck_ring_buffer *buffer,
|
|
void *data)
|
|
{
|
|
|
|
return _ck_ring_dequeue_spsc(ring, buffer,
|
|
data, sizeof(data));
|
|
}
|
|
|
|
/*
|
|
* Atomically enqueues the specified entry. Returns true on success, returns
|
|
* false if the ck_ring is full. This operation only support one active
|
|
* invocation at a time and works in the presence of up to UINT_MAX concurrent
|
|
* invocations of ck_ring_dequeue_spmc.
|
|
*
|
|
* This variant of ck_ring_enqueue_spmc returns the snapshot of queue length
|
|
* with respect to the linearization point. This can be used to extract ring
|
|
* size without incurring additional cacheline invalidation overhead from the
|
|
* writer.
|
|
*/
|
|
CK_CC_INLINE static bool
|
|
ck_ring_enqueue_spmc_size(struct ck_ring *ring,
|
|
struct ck_ring_buffer *buffer,
|
|
const void *entry,
|
|
unsigned int *size)
|
|
{
|
|
|
|
return ck_ring_enqueue_spsc_size(ring, buffer,
|
|
entry, size);
|
|
}
|
|
|
|
/*
|
|
* Atomically enqueues the specified entry. Returns true on success, returns
|
|
* false if the ck_ring is full. This operation only support one active
|
|
* invocation at a time and works in the presence of up to UINT_MAX concurrent
|
|
* invocations of ck_ring_dequeue_spmc.
|
|
*/
|
|
CK_CC_INLINE static bool
|
|
ck_ring_enqueue_spmc(struct ck_ring *ring,
|
|
struct ck_ring_buffer *buffer,
|
|
const void *entry)
|
|
{
|
|
|
|
return ck_ring_enqueue_spsc(ring, buffer, entry);
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
_ck_ring_trydequeue_spmc(struct ck_ring *ring,
|
|
const void *buffer,
|
|
void *data,
|
|
unsigned int size)
|
|
{
|
|
unsigned int consumer, producer;
|
|
unsigned int mask = ring->mask;
|
|
|
|
consumer = ck_pr_load_uint(&ring->c_head);
|
|
ck_pr_fence_load();
|
|
producer = ck_pr_load_uint(&ring->p_tail);
|
|
|
|
if (consumer == producer)
|
|
return false;
|
|
|
|
ck_pr_fence_load();
|
|
|
|
buffer = (const char *)buffer + size * (consumer & mask);
|
|
memcpy(data, buffer, size);
|
|
|
|
ck_pr_fence_store_atomic();
|
|
return ck_pr_cas_uint(&ring->c_head, consumer, consumer + 1);
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_trydequeue_spmc(struct ck_ring *ring,
|
|
const struct ck_ring_buffer *buffer,
|
|
void *data)
|
|
{
|
|
|
|
return _ck_ring_trydequeue_spmc(ring,
|
|
buffer, data, sizeof(data));
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
_ck_ring_dequeue_spmc(struct ck_ring *ring,
|
|
const void *buffer,
|
|
void *data,
|
|
unsigned int ts)
|
|
{
|
|
const unsigned int mask = ring->mask;
|
|
unsigned int consumer, producer;
|
|
|
|
consumer = ck_pr_load_uint(&ring->c_head);
|
|
|
|
do {
|
|
const char *target;
|
|
|
|
/*
|
|
* Producer counter must represent state relative to
|
|
* our latest consumer snapshot.
|
|
*/
|
|
ck_pr_fence_load();
|
|
producer = ck_pr_load_uint(&ring->p_tail);
|
|
|
|
if (consumer == producer)
|
|
return false;
|
|
|
|
ck_pr_fence_load();
|
|
|
|
target = (const char *)buffer + ts * (consumer & mask);
|
|
memcpy(data, target, ts);
|
|
|
|
/* Serialize load with respect to head update. */
|
|
ck_pr_fence_store_atomic();
|
|
} while (ck_pr_cas_uint_value(&ring->c_head,
|
|
consumer,
|
|
consumer + 1,
|
|
&consumer) == false);
|
|
|
|
return true;
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_dequeue_spmc(struct ck_ring *ring,
|
|
const struct ck_ring_buffer *buffer,
|
|
void *data)
|
|
{
|
|
|
|
return _ck_ring_dequeue_spmc(ring, buffer, data,
|
|
sizeof(*buffer));
|
|
}
|
|
|
|
#define CK_RING_ENQUEUE_MP_DEFINE(ring, buffer, entry, ts, size, P) do {\
|
|
const unsigned int mask = ring->mask; \
|
|
unsigned int producer, consumer, delta; \
|
|
bool r = true; \
|
|
\
|
|
producer = ck_pr_load_uint(&ring->p_head); \
|
|
\
|
|
do { \
|
|
/* \
|
|
* The snapshot of producer must be up to date with \
|
|
* respect to consumer. \
|
|
*/ \
|
|
ck_pr_fence_load(); \
|
|
consumer = ck_pr_load_uint(&ring->c_head); \
|
|
\
|
|
delta = producer + 1; \
|
|
if ((delta & mask) == (consumer & mask)) { \
|
|
r = false; \
|
|
goto leave; \
|
|
} \
|
|
} while (ck_pr_cas_uint_value(&ring->p_head, \
|
|
producer, \
|
|
delta, \
|
|
&producer) == false); \
|
|
\
|
|
buffer = (char *)buffer + ts * (producer & mask); \
|
|
memcpy(buffer, entry, ts); \
|
|
\
|
|
/* \
|
|
* Wait until all concurrent producers have completed writing \
|
|
* their data into the ring buffer. \
|
|
*/ \
|
|
while (ck_pr_load_uint(&ring->p_tail) != producer) \
|
|
ck_pr_stall(); \
|
|
\
|
|
/* \
|
|
* Ensure that copy is completed before updating shared producer\
|
|
* counter. \
|
|
*/ \
|
|
ck_pr_fence_store(); \
|
|
ck_pr_store_uint(&ring->p_tail, delta); \
|
|
\
|
|
leave: \
|
|
if (P) \
|
|
*(unsigned int *)size = (producer - consumer) & mask; \
|
|
\
|
|
return r; \
|
|
} while (0)
|
|
|
|
CK_CC_INLINE static bool
|
|
_ck_ring_enqueue_mpsc_size(struct ck_ring *ring,
|
|
void *buffer,
|
|
const void *entry,
|
|
unsigned int ts,
|
|
unsigned int *size)
|
|
{
|
|
|
|
CK_RING_ENQUEUE_MP_DEFINE(ring, buffer, entry, ts, size, true);
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
_ck_ring_enqueue_mpsc(struct ck_ring *ring,
|
|
void *buffer,
|
|
const void *entry,
|
|
unsigned int ts)
|
|
{
|
|
|
|
CK_RING_ENQUEUE_MP_DEFINE(ring, buffer, entry, ts, NULL, false);
|
|
}
|
|
|
|
#undef CK_RING_ENQUEUE_MP_DEFINE
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_enqueue_mpsc(struct ck_ring *ring,
|
|
struct ck_ring_buffer *buffer,
|
|
const void *entry)
|
|
{
|
|
|
|
return _ck_ring_enqueue_mpsc(ring, buffer, &entry, sizeof(entry));
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_enqueue_mpsc_size(struct ck_ring *ring,
|
|
struct ck_ring_buffer *buffer,
|
|
const void *entry,
|
|
unsigned int *size)
|
|
{
|
|
|
|
return _ck_ring_enqueue_mpsc_size(ring, buffer, &entry,
|
|
sizeof(entry), size);
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_dequeue_mpsc(struct ck_ring *ring,
|
|
const struct ck_ring_buffer *buffer,
|
|
void *data)
|
|
{
|
|
|
|
return _ck_ring_dequeue_spsc(ring, buffer, data,
|
|
sizeof(data));
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_enqueue_mpmc(struct ck_ring *ring,
|
|
struct ck_ring_buffer *buffer,
|
|
const void *entry)
|
|
{
|
|
|
|
return _ck_ring_enqueue_mpsc(ring, buffer, &entry, sizeof(entry));
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_enqueue_mpmc_size(struct ck_ring *ring,
|
|
struct ck_ring_buffer *buffer,
|
|
const void *entry,
|
|
unsigned int *size)
|
|
{
|
|
|
|
return _ck_ring_enqueue_mpsc_size(ring, buffer, &entry,
|
|
sizeof(entry), size);
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_trydequeue_mpmc(struct ck_ring *ring,
|
|
const struct ck_ring_buffer *buffer,
|
|
void *data)
|
|
{
|
|
|
|
return _ck_ring_trydequeue_spmc(ring,
|
|
buffer, data, sizeof(data));
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_ring_dequeue_mpmc(struct ck_ring *ring,
|
|
const struct ck_ring_buffer *buffer,
|
|
void *data)
|
|
{
|
|
|
|
return _ck_ring_dequeue_spmc(ring, buffer, data,
|
|
sizeof(data));
|
|
}
|
|
|
|
CK_CC_INLINE static void
|
|
ck_ring_init(struct ck_ring *ring, unsigned int size)
|
|
{
|
|
|
|
ring->size = size;
|
|
ring->mask = size - 1;
|
|
ring->p_tail = 0;
|
|
ring->p_head = 0;
|
|
ring->c_head = 0;
|
|
return;
|
|
}
|
|
|
|
#define CK_RING_PROTOTYPE(name, type) \
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_enqueue_spsc_size_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c, \
|
|
unsigned int *d) \
|
|
{ \
|
|
\
|
|
return _ck_ring_enqueue_spsc_size(a, b, c, \
|
|
sizeof(struct type), d); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_enqueue_spsc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_enqueue_spsc(a, b, c, \
|
|
sizeof(struct type)); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_dequeue_spsc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_dequeue_spsc(a, b, c, \
|
|
sizeof(struct type)); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_enqueue_spmc_size_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c, \
|
|
unsigned int *d) \
|
|
{ \
|
|
\
|
|
return _ck_ring_enqueue_spsc_size(a, b, c, \
|
|
sizeof(struct type), d); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_enqueue_spmc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_enqueue_spsc(a, b, c, \
|
|
sizeof(struct type)); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_trydequeue_spmc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_trydequeue_spmc(a, \
|
|
b, c, sizeof(struct type)); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_dequeue_spmc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_dequeue_spmc(a, b, c, \
|
|
sizeof(struct type)); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_enqueue_mpsc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_enqueue_mpsc(a, b, c, \
|
|
sizeof(struct type)); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_enqueue_mpsc_size_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c, \
|
|
unsigned int *d) \
|
|
{ \
|
|
\
|
|
return _ck_ring_enqueue_mpsc_size(a, b, c, \
|
|
sizeof(struct type), d); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_dequeue_mpsc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_dequeue_spsc(a, b, c, \
|
|
sizeof(struct type)); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_enqueue_mpmc_size_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c, \
|
|
unsigned int *d) \
|
|
{ \
|
|
\
|
|
return _ck_ring_enqueue_mpsc_size(a, b, c, \
|
|
sizeof(struct type), d); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_enqueue_mpmc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_enqueue_mpsc(a, b, c, \
|
|
sizeof(struct type)); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_trydequeue_mpmc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_trydequeue_spmc(a, \
|
|
b, c, sizeof(struct type)); \
|
|
} \
|
|
\
|
|
CK_CC_INLINE static bool \
|
|
ck_ring_dequeue_mpmc_##name(struct ck_ring *a, \
|
|
struct type *b, \
|
|
struct type *c) \
|
|
{ \
|
|
\
|
|
return _ck_ring_dequeue_spmc(a, b, c, \
|
|
sizeof(struct type)); \
|
|
}
|
|
|
|
/*
|
|
* A single producer with one concurrent consumer.
|
|
*/
|
|
#define CK_RING_ENQUEUE_SPSC(name, a, b, c) \
|
|
ck_ring_enqueue_spsc_##name(a, b, c)
|
|
#define CK_RING_ENQUEUE_SPSC_SIZE(name, a, b, c, d) \
|
|
ck_ring_enqueue_spsc_size_##name(a, b, c, d)
|
|
#define CK_RING_DEQUEUE_SPSC(name, a, b, c) \
|
|
ck_ring_dequeue_spsc_##name(a, b, c)
|
|
|
|
/*
|
|
* A single producer with any number of concurrent consumers.
|
|
*/
|
|
#define CK_RING_ENQUEUE_SPMC(name, a, b, c) \
|
|
ck_ring_enqueue_spmc_##name(a, b, c)
|
|
#define CK_RING_ENQUEUE_SPMC_SIZE(name, a, b, c, d) \
|
|
ck_ring_enqueue_spmc_size_##name(a, b, c, d)
|
|
#define CK_RING_TRYDEQUEUE_SPMC(name, a, b, c) \
|
|
ck_ring_trydequeue_spmc_##name(a, b, c)
|
|
#define CK_RING_DEQUEUE_SPMC(name, a, b, c) \
|
|
ck_ring_dequeue_spmc_##name(a, b, c)
|
|
|
|
/*
|
|
* Any number of concurrent producers with up to one
|
|
* concurrent consumer.
|
|
*/
|
|
#define CK_RING_ENQUEUE_MPSC(name, a, b, c) \
|
|
ck_ring_enqueue_mpsc_##name(a, b, c)
|
|
#define CK_RING_ENQUEUE_MPSC_SIZE(name, a, b, c, d) \
|
|
ck_ring_enqueue_mpsc_size_##name(a, b, c, d)
|
|
#define CK_RING_DEQUEUE_MPSC(name, a, b, c) \
|
|
ck_ring_dequeue_mpsc_##name(a, b, c)
|
|
|
|
/*
|
|
* Any number of concurrent producers and consumers.
|
|
*/
|
|
#define CK_RING_ENQUEUE_MPMC(name, a, b, c) \
|
|
ck_ring_enqueue_mpmc_##name(a, b, c)
|
|
#define CK_RING_ENQUEUE_MPMC_SIZE(name, a, b, c, d) \
|
|
ck_ring_enqueue_mpmc_size_##name(a, b, c, d)
|
|
#define CK_RING_TRYDEQUEUE_MPMC(name, a, b, c) \
|
|
ck_ring_trydequeue_mpmc_##name(a, b, c)
|
|
#define CK_RING_DEQUEUE_MPMC(name, a, b, c) \
|
|
ck_ring_dequeue_mpmc_##name(a, b, c)
|
|
|
|
#endif /* CK_RING_H */
|