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Core: introduced the ngx_palloc_small() function.

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It deduplicates some code for allocations from memory pool.
No functional changes.
This commit is contained in:
Valentin Bartenev 2016-03-23 17:44:04 +03:00
parent b94eb1dfe6
commit 21dfe90a4e
1 changed files with 33 additions and 40 deletions
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73
src/core/ngx_palloc.c
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@ -9,6 +9,8 @@
#include <ngx_core.h> #include <ngx_core.h>
static ngx_inline void *ngx_palloc_small(ngx_pool_t *pool, size_t size,
ngx_uint_t align);
static void *ngx_palloc_block(ngx_pool_t *pool, size_t size); static void *ngx_palloc_block(ngx_pool_t *pool, size_t size);
static void *ngx_palloc_large(ngx_pool_t *pool, size_t size); static void *ngx_palloc_large(ngx_pool_t *pool, size_t size);
@ -120,27 +122,8 @@ ngx_reset_pool(ngx_pool_t *pool)
void * void *
ngx_palloc(ngx_pool_t *pool, size_t size) ngx_palloc(ngx_pool_t *pool, size_t size)
{ {
u_char *m;
ngx_pool_t *p;
if (size <= pool->max) { if (size <= pool->max) {
return ngx_palloc_small(pool, size, 1);
p = pool->current;
do {
m = ngx_align_ptr(p->d.last, NGX_ALIGNMENT);
if ((size_t) (p->d.end - m) >= size) {
p->d.last = m + size;
return m;
}
p = p->d.next;
} while (p);
return ngx_palloc_block(pool, size);
} }
return ngx_palloc_large(pool, size); return ngx_palloc_large(pool, size);
@ -150,33 +133,43 @@ ngx_palloc(ngx_pool_t *pool, size_t size)
void * void *
ngx_pnalloc(ngx_pool_t *pool, size_t size) ngx_pnalloc(ngx_pool_t *pool, size_t size)
{ {
u_char *m;
ngx_pool_t *p;
if (size <= pool->max) { if (size <= pool->max) {
return ngx_palloc_small(pool, size, 0);
p = pool->current;
do {
m = p->d.last;
if ((size_t) (p->d.end - m) >= size) {
p->d.last = m + size;
return m;
}
p = p->d.next;
} while (p);
return ngx_palloc_block(pool, size);
} }
return ngx_palloc_large(pool, size); return ngx_palloc_large(pool, size);
} }
static ngx_inline void *
ngx_palloc_small(ngx_pool_t *pool, size_t size, ngx_uint_t align)
{
u_char *m;
ngx_pool_t *p;
p = pool->current;
do {
m = p->d.last;
if (align) {
m = ngx_align_ptr(m, NGX_ALIGNMENT);
}
if ((size_t) (p->d.end - m) >= size) {
p->d.last = m + size;
return m;
}
p = p->d.next;
} while (p);
return ngx_palloc_block(pool, size);
}
static void * static void *
ngx_palloc_block(ngx_pool_t *pool, size_t size) ngx_palloc_block(ngx_pool_t *pool, size_t size)
{ {