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
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/* SPDX-License-Identifier: LGPL-3.0-or-later */
/*
* serial.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#define SQFS_BUILDING_DLL
#include "internal.h"
sqfs_block_processor_t *sqfs_block_processor_create(size_t max_block_size,
sqfs_compressor_t *cmp,
unsigned int num_workers,
size_t max_backlog,
sqfs_block_writer_t *wr,
sqfs_frag_table_t *tbl)
{
sqfs_block_processor_t *proc;
proc = alloc_flex(sizeof(*proc), 1, max_block_size);
if (proc == NULL)
return NULL;
if (block_processor_init(proc, max_block_size, cmp, num_workers,
max_backlog, wr, tbl)) {
block_processor_cleanup(proc);
return NULL;
}
return proc;
}
void sqfs_block_processor_destroy(sqfs_block_processor_t *proc)
{
block_processor_cleanup(proc);
}
int test_and_set_status(sqfs_block_processor_t *proc, int status)
{
if (proc->status == 0)
proc->status = status;
return proc->status;
}
int append_to_work_queue(sqfs_block_processor_t *proc, sqfs_block_t *block,
bool signal_threads)
{
sqfs_block_t *fragblk = NULL;
(void)signal_threads;
if (proc->status != 0 || block == NULL) {
free(block);
return proc->status;
}
if (block->flags & SQFS_BLK_IS_FRAGMENT) {
block->checksum = crc32(0, block->data, block->size);
proc->status = process_completed_fragment(proc, block,
&fragblk);
free(block);
if (proc->status != 0) {
free(fragblk);
return proc->status;
}
if (fragblk == NULL)
return 0;
block = fragblk;
}
proc->status = block_processor_do_block(block, proc->cmp, proc->scratch,
proc->max_block_size);
if (proc->status == 0)
proc->status = process_completed_block(proc, block);
free(block);
return proc->status;
}
int wait_completed(sqfs_block_processor_t *proc)
{
return proc->status;
}
|
