1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* This is a facade over the 1x1 or NxM ring buffers.
*
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <errno.h>
#include <string.h>
#include <parc/algol/parc_Memory.h>
#include <parc/algol/parc_Object.h>
#include <parc/assert/parc_Assert.h>
#include <parc/concurrent/parc_RingBuffer.h>
struct parc_ringbuffer {
PARCRingBufferInterface *interface;
};
static void
_parcRingBuffer_Finalize(PARCRingBuffer **pointer)
{
PARCRingBuffer *buffer = *pointer;
buffer->interface->release(&(buffer->interface));
}
parcObject_ExtendPARCObject(PARCRingBuffer, _parcRingBuffer_Finalize, NULL, NULL, NULL, NULL, NULL, NULL);
PARCRingBuffer *
parcRingBuffer_Create(PARCRingBufferInterface *interface)
{
PARCRingBuffer *ring = parcObject_CreateInstance(PARCRingBuffer);
ring->interface = interface;
return ring;
}
parcObject_ImplementAcquire(parcRingBuffer, PARCRingBuffer);
parcObject_ImplementRelease(parcRingBuffer, PARCRingBuffer);
bool
parcRingBuffer_Put(PARCRingBuffer *ring, void *data)
{
return ring->interface->put(ring->interface->instance, data);
}
bool
parcRingBuffer_Get(PARCRingBuffer *ring, void **outputDataPtr)
{
return ring->interface->put(ring->interface->instance, outputDataPtr);
}
uint32_t
parcRingBuffer_Remaining(PARCRingBuffer *ring)
{
return ring->interface->remaining(ring->interface->instance);
}
|
