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libfastcommon
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export function task_queue_get_new_buffer_size

pull/5/head
yuqing 2016-01-19 14:28:23 +08:00
parent 9c7a510803
commit 12c1355c2a
3 changed files with 17 additions and 10 deletions
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2
HISTORY
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@ -1,5 +1,5 @@
Version 1.24 2016-01-14
Version 1.24 2016-01-19
* php extension compiled on PHP 7
* add skiplist which support stable sort
* make.sh: use sed to replace perl

22
src/fast_task_queue.c
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@ -629,41 +629,45 @@ int task_queue_count(struct fast_task_queue *pQueue)
return count;
}
static int _get_new_buffer_size(struct fast_task_queue *pQueue,
const int expect_size, int *new_size)
int task_queue_get_new_buffer_size(const int min_buff_size,
const int max_buff_size, const int expect_size, int *new_size)
{
if (pQueue->min_buff_size == pQueue->max_buff_size)
if (min_buff_size == max_buff_size)
{
logError("file: "__FILE__", line: %d, "
"can't change buffer size because NOT supported", __LINE__);
return EOPNOTSUPP;
}
if (expect_size > pQueue->max_buff_size)
if (expect_size > max_buff_size)
{
logError("file: "__FILE__", line: %d, "
"can't change buffer size because expect buffer size: %d "
"exceeds max buffer size: %d", __LINE__, expect_size,
pQueue->max_buff_size);
max_buff_size);
return EOVERFLOW;
}
*new_size = pQueue->min_buff_size;
if (expect_size > pQueue->min_buff_size)
*new_size = min_buff_size;
if (expect_size > min_buff_size)
{
while (*new_size < expect_size)
{
*new_size *= 2;
}
if (*new_size > pQueue->max_buff_size)
if (*new_size > max_buff_size)
{
*new_size = pQueue->max_buff_size;
*new_size = max_buff_size;
}
}
return 0;
}
#define _get_new_buffer_size(pQueue, expect_size, new_size) \
task_queue_get_new_buffer_size(pQueue->min_buff_size, \
pQueue->max_buff_size, expect_size, new_size)
int task_queue_set_buffer_size(struct fast_task_queue *pQueue,
struct fast_task_info *pTask, const int expect_size)
{

3
src/fast_task_queue.h
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@ -106,6 +106,9 @@ int task_queue_set_buffer_size(struct fast_task_queue *pQueue,
int task_queue_realloc_buffer(struct fast_task_queue *pQueue,
struct fast_task_info *pTask, const int expect_size);
int task_queue_get_new_buffer_size(const int min_buff_size,
const int max_buff_size, const int expect_size, int *new_size);
#ifdef __cplusplus
}
#endif