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openresty/patches/nginx-1.5.9-no_pool.patch
Yichun Zhang (agentzh) 227e4e0da2 upgraded nginx core to 1.5.9.
2014-01-27 22:11:50 -08:00

607 lines
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diff -upr nginx-1.5.9/src/core/nginx.h nginx-1.5.9-patched/src/core/nginx.h
--- nginx-1.5.9/src/core/nginx.h 2013-05-06 03:26:50.000000000 -0700
+++ nginx-1.5.9-patched/src/core/nginx.h 2013-06-10 16:12:23.691136795 -0700
@@ -10,7 +10,7 @@
#define nginx_version 1005009
#define NGINX_VERSION "1.5.9"
-#define NGINX_VER "openresty/" NGINX_VERSION ".unknown"
+#define NGINX_VER "openresty/" NGINX_VERSION ".unknown (no pool)"
#define NGINX_VAR "NGINX"
diff -urp nginx-1.5.9/src/core/ngx_array.c nginx-1.5.9-patched/src/core/ngx_array.c
--- nginx-1.5.9/src/core/ngx_array.c 2014-01-22 05:43:00.000000000 -0800
+++ nginx-1.5.9-patched/src/core/ngx_array.c 2014-01-27 21:25:14.887049509 -0800
@@ -30,26 +30,30 @@ ngx_array_create(ngx_pool_t *p, ngx_uint
void
ngx_array_destroy(ngx_array_t *a)
{
- ngx_pool_t *p;
+ ngx_pool_t *p;
+ ngx_array_link_t *link;
p = a->pool;
- if ((u_char *) a->elts + a->size * a->nalloc == p->d.last) {
- p->d.last -= a->size * a->nalloc;
+ if (a->elts) {
+ ngx_pfree(p, a->elts);
}
- if ((u_char *) a + sizeof(ngx_array_t) == p->d.last) {
- p->d.last = (u_char *) a;
+ for (link = a->old_elts; link; link = link->next) {
+ ngx_pfree(p, link->elts);
}
+
+ ngx_pfree(p, a);
}
void *
ngx_array_push(ngx_array_t *a)
{
- void *elt, *new;
- size_t size;
- ngx_pool_t *p;
+ void *elt, *new;
+ size_t size;
+ ngx_pool_t *p;
+ ngx_array_link_t *link;
if (a->nelts == a->nalloc) {
@@ -59,29 +63,27 @@ ngx_array_push(ngx_array_t *a)
p = a->pool;
- if ((u_char *) a->elts + size == p->d.last
- && p->d.last + a->size <= p->d.end)
- {
- /*
- * the array allocation is the last in the pool
- * and there is space for new allocation
- */
-
- p->d.last += a->size;
- a->nalloc++;
-
- } else {
- /* allocate a new array */
-
- new = ngx_palloc(p, 2 * size);
- if (new == NULL) {
- return NULL;
- }
-
- ngx_memcpy(new, a->elts, size);
- a->elts = new;
- a->nalloc *= 2;
+ /* allocate a new array */
+
+ new = ngx_palloc(p, 2 * size);
+ if (new == NULL) {
+ return NULL;
+ }
+
+ ngx_memcpy(new, a->elts, size);
+
+ link = ngx_palloc(p, sizeof(ngx_array_link_t));
+ if (link == NULL) {
+ ngx_pfree(p, new);
+ return NULL;
}
+
+ link->next = a->old_elts;
+ link->elts = a->elts;
+ a->old_elts = link;
+
+ a->elts = new;
+ a->nalloc *= 2;
}
elt = (u_char *) a->elts + a->size * a->nelts;
@@ -95,11 +97,10 @@ void *
ngx_array_push_n(ngx_array_t *a, ngx_uint_t n)
{
void *elt, *new;
- size_t size;
ngx_uint_t nalloc;
ngx_pool_t *p;
- size = n * a->size;
+ ngx_array_link_t *link;
if (a->nelts + n > a->nalloc) {
@@ -107,31 +108,27 @@ ngx_array_push_n(ngx_array_t *a, ngx_uin
p = a->pool;
- if ((u_char *) a->elts + a->size * a->nalloc == p->d.last
- && p->d.last + size <= p->d.end)
- {
- /*
- * the array allocation is the last in the pool
- * and there is space for new allocation
- */
-
- p->d.last += size;
- a->nalloc += n;
-
- } else {
- /* allocate a new array */
-
- nalloc = 2 * ((n >= a->nalloc) ? n : a->nalloc);
-
- new = ngx_palloc(p, nalloc * a->size);
- if (new == NULL) {
- return NULL;
- }
-
- ngx_memcpy(new, a->elts, a->nelts * a->size);
- a->elts = new;
- a->nalloc = nalloc;
+ nalloc = 2 * ((n >= a->nalloc) ? n : a->nalloc);
+
+ new = ngx_palloc(p, nalloc * a->size);
+ if (new == NULL) {
+ return NULL;
+ }
+
+ ngx_memcpy(new, a->elts, a->nelts * a->size);
+
+ link = ngx_palloc(p, sizeof(ngx_array_link_t));
+ if (link == NULL) {
+ ngx_pfree(p, new);
+ return NULL;
}
+
+ link->next = a->old_elts;
+ link->elts = a->elts;
+ a->old_elts = link;
+
+ a->elts = new;
+ a->nalloc = nalloc;
}
elt = (u_char *) a->elts + a->size * a->nelts;
diff -urp nginx-1.5.9/src/core/ngx_array.h nginx-1.5.9-patched/src/core/ngx_array.h
--- nginx-1.5.9/src/core/ngx_array.h 2014-01-22 05:43:00.000000000 -0800
+++ nginx-1.5.9-patched/src/core/ngx_array.h 2014-01-27 21:25:14.888049518 -0800
@@ -13,12 +13,23 @@
#include <ngx_core.h>
+typedef struct ngx_array_link_s ngx_array_link_t;
+
+
+struct ngx_array_link_s {
+ void *elts;
+ ngx_array_link_t *next;
+};
+
+
typedef struct {
void *elts;
ngx_uint_t nelts;
size_t size;
ngx_uint_t nalloc;
ngx_pool_t *pool;
+
+ ngx_array_link_t *old_elts;
} ngx_array_t;
@@ -40,6 +51,7 @@ ngx_array_init(ngx_array_t *array, ngx_p
array->size = size;
array->nalloc = n;
array->pool = pool;
+ array->old_elts = NULL;
array->elts = ngx_palloc(pool, n * size);
if (array->elts == NULL) {
diff -urp nginx-1.5.9/src/core/ngx_palloc.c nginx-1.5.9-patched/src/core/ngx_palloc.c
--- nginx-1.5.9/src/core/ngx_palloc.c 2014-01-22 05:43:00.000000000 -0800
+++ nginx-1.5.9-patched/src/core/ngx_palloc.c 2014-01-27 21:42:30.905552064 -0800
@@ -9,32 +9,23 @@
#include <ngx_core.h>
-static void *ngx_palloc_block(ngx_pool_t *pool, size_t size);
-static void *ngx_palloc_large(ngx_pool_t *pool, size_t size);
-
-
ngx_pool_t *
ngx_create_pool(size_t size, ngx_log_t *log)
{
- ngx_pool_t *p;
+ ngx_pool_t *p;
- p = ngx_memalign(NGX_POOL_ALIGNMENT, size, log);
+ size = sizeof(ngx_pool_t);
+ p = ngx_alloc(size, log);
if (p == NULL) {
return NULL;
}
- p->d.last = (u_char *) p + sizeof(ngx_pool_t);
- p->d.end = (u_char *) p + size;
- p->d.next = NULL;
- p->d.failed = 0;
+ ngx_memzero(p, size);
size = size - sizeof(ngx_pool_t);
p->max = (size < NGX_MAX_ALLOC_FROM_POOL) ? size : NGX_MAX_ALLOC_FROM_POOL;
p->current = p;
- p->chain = NULL;
- p->large = NULL;
- p->cleanup = NULL;
p->log = log;
return p;
@@ -44,8 +35,7 @@ ngx_create_pool(size_t size, ngx_log_t *
void
ngx_destroy_pool(ngx_pool_t *pool)
{
- ngx_pool_t *p, *n;
- ngx_pool_large_t *l;
+ ngx_pool_data_t *d, *n;
ngx_pool_cleanup_t *c;
for (c = pool->cleanup; c; c = c->next) {
@@ -56,13 +46,9 @@ ngx_destroy_pool(ngx_pool_t *pool)
}
}
- for (l = pool->large; l; l = l->next) {
-
- ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, pool->log, 0, "free: %p", l->alloc);
-
- if (l->alloc) {
- ngx_free(l->alloc);
- }
+ if (pool->d == NULL) {
+ ngx_free(pool);
+ return;
}
#if (NGX_DEBUG)
@@ -72,9 +58,9 @@ ngx_destroy_pool(ngx_pool_t *pool)
* so we cannot use this log while free()ing the pool
*/
- for (p = pool, n = pool->d.next; /* void */; p = n, n = n->d.next) {
+ for (d = pool->d, n = d->next; ; d = n, n = n->next) {
ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, pool->log, 0,
- "free: %p, unused: %uz", p, p->d.end - p->d.last);
+ "free: %p, unused: %d", d, 0);
if (n == NULL) {
break;
@@ -83,175 +69,84 @@ ngx_destroy_pool(ngx_pool_t *pool)
#endif
- for (p = pool, n = pool->d.next; /* void */; p = n, n = n->d.next) {
- ngx_free(p);
+ for (d = pool->d, n = d->next; ; d = n, n = n->next) {
+ ngx_free(d->alloc);
+ ngx_free(d);
if (n == NULL) {
break;
}
}
-}
+ pool->d = NULL;
-void
-ngx_reset_pool(ngx_pool_t *pool)
-{
- ngx_pool_t *p;
- ngx_pool_large_t *l;
-
- for (l = pool->large; l; l = l->next) {
- if (l->alloc) {
- ngx_free(l->alloc);
- }
- }
-
- for (p = pool; p; p = p->d.next) {
- p->d.last = (u_char *) p + sizeof(ngx_pool_t);
- p->d.failed = 0;
- }
-
- pool->current = pool;
- pool->chain = NULL;
- pool->large = NULL;
+ ngx_free(pool);
}
-void *
-ngx_palloc(ngx_pool_t *pool, size_t size)
+void
+ngx_reset_pool(ngx_pool_t *pool)
{
- u_char *m;
- ngx_pool_t *p;
-
- if (size <= pool->max) {
+ ngx_pool_data_t *d, *n;
+ ngx_pool_data_t *saved = NULL;
- 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;
+ if (pool->d) {
+ for (d = pool->d, n = d->next; ; d = n, n = n->next) {
+ if (d->alloc == pool->log) {
+ saved = d;
+ continue;
}
- p = p->d.next;
-
- } while (p);
-
- return ngx_palloc_block(pool, size);
- }
-
- return ngx_palloc_large(pool, size);
-}
-
-
-void *
-ngx_pnalloc(ngx_pool_t *pool, size_t size)
-{
- u_char *m;
- ngx_pool_t *p;
-
- if (size <= pool->max) {
-
- p = pool->current;
-
- do {
- m = p->d.last;
-
- if ((size_t) (p->d.end - m) >= size) {
- p->d.last = m + size;
+ ngx_free(d->alloc);
+ ngx_free(d);
- return m;
+ if (n == NULL) {
+ break;
}
+ }
- p = p->d.next;
-
- } while (p);
-
- return ngx_palloc_block(pool, size);
+ pool->d = saved;
+ pool->current = pool;
+ pool->chain = NULL;
}
-
- return ngx_palloc_large(pool, size);
}
-static void *
-ngx_palloc_block(ngx_pool_t *pool, size_t size)
+void *
+ngx_malloc(ngx_pool_t *pool, size_t size)
{
- u_char *m;
- size_t psize;
- ngx_pool_t *p, *new, *current;
+ ngx_pool_data_t *d;
+ void *p;
- psize = (size_t) (pool->d.end - (u_char *) pool);
-
- m = ngx_memalign(NGX_POOL_ALIGNMENT, psize, pool->log);
- if (m == NULL) {
+ p = ngx_alloc(size, pool->log);
+ if (p == NULL) {
return NULL;
}
- new = (ngx_pool_t *) m;
-
- new->d.end = m + psize;
- new->d.next = NULL;
- new->d.failed = 0;
-
- m += sizeof(ngx_pool_data_t);
- m = ngx_align_ptr(m, NGX_ALIGNMENT);
- new->d.last = m + size;
-
- current = pool->current;
-
- for (p = current; p->d.next; p = p->d.next) {
- if (p->d.failed++ > 4) {
- current = p->d.next;
- }
+ d = ngx_alloc(sizeof(ngx_pool_data_t), pool->log);
+ if (d == NULL){
+ ngx_free(p);
+ return NULL;
}
- p->d.next = new;
-
- pool->current = current ? current : new;
-
- return m;
+ d->alloc = p;
+ d->next = pool->d;
+ pool->d = d;
+ return p;
}
-static void *
-ngx_palloc_large(ngx_pool_t *pool, size_t size)
+void *
+ngx_palloc(ngx_pool_t *pool, size_t size)
{
- void *p;
- ngx_uint_t n;
- ngx_pool_large_t *large;
-
- p = ngx_alloc(size, pool->log);
- if (p == NULL) {
- return NULL;
- }
-
- n = 0;
-
- for (large = pool->large; large; large = large->next) {
- if (large->alloc == NULL) {
- large->alloc = p;
- return p;
- }
-
- if (n++ > 3) {
- break;
- }
- }
-
- large = ngx_palloc(pool, sizeof(ngx_pool_large_t));
- if (large == NULL) {
- ngx_free(p);
- return NULL;
- }
+ return ngx_malloc(pool, size);
+}
- large->alloc = p;
- large->next = pool->large;
- pool->large = large;
- return p;
+void *
+ngx_pnalloc(ngx_pool_t *pool, size_t size)
+{
+ return ngx_malloc(pool, size);
}
@@ -259,38 +154,48 @@ void *
ngx_pmemalign(ngx_pool_t *pool, size_t size, size_t alignment)
{
void *p;
- ngx_pool_large_t *large;
+ ngx_pool_data_t *d;
p = ngx_memalign(alignment, size, pool->log);
if (p == NULL) {
return NULL;
}
- large = ngx_palloc(pool, sizeof(ngx_pool_large_t));
- if (large == NULL) {
+ d = ngx_alloc(sizeof(ngx_pool_data_t), pool->log);
+ if (d == NULL){
ngx_free(p);
return NULL;
}
- large->alloc = p;
- large->next = pool->large;
- pool->large = large;
-
+ d->alloc = p;
+ d->next = pool->d;
+ pool->d = d;
return p;
}
ngx_int_t
-ngx_pfree(ngx_pool_t *pool, void *p)
+ngx_pfree(ngx_pool_t *pool, void *data)
{
- ngx_pool_large_t *l;
+ ngx_pool_data_t *p, *d;
- for (l = pool->large; l; l = l->next) {
- if (p == l->alloc) {
- ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, pool->log, 0,
- "free: %p", l->alloc);
- ngx_free(l->alloc);
- l->alloc = NULL;
+ p = NULL;
+ for (d = pool->d; d; p = d, d = d->next) {
+ if (data == d->alloc) {
+
+ ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, pool->log, 0, "free: %p", d->alloc);
+
+ ngx_free(d->alloc);
+ d->alloc = NULL;
+
+ if (p) {
+ p->next = d->next;
+
+ } else {
+ pool->d = d->next;
+ }
+
+ ngx_free(d);
return NGX_OK;
}
diff -urp nginx-1.5.9/src/core/ngx_palloc.h nginx-1.5.9-patched/src/core/ngx_palloc.h
--- nginx-1.5.9/src/core/ngx_palloc.h 2014-01-22 05:43:00.000000000 -0800
+++ nginx-1.5.9-patched/src/core/ngx_palloc.h 2014-01-27 21:25:14.911049721 -0800
@@ -38,28 +38,21 @@ struct ngx_pool_cleanup_s {
};
-typedef struct ngx_pool_large_s ngx_pool_large_t;
-
-struct ngx_pool_large_s {
- ngx_pool_large_t *next;
- void *alloc;
-};
+typedef struct ngx_pool_data_s ngx_pool_large_t;
+typedef struct ngx_pool_data_s ngx_pool_data_t;
-typedef struct {
- u_char *last;
- u_char *end;
- ngx_pool_t *next;
- ngx_uint_t failed;
-} ngx_pool_data_t;
+struct ngx_pool_data_s {
+ ngx_pool_data_t *next;
+ void *alloc;
+};
struct ngx_pool_s {
- ngx_pool_data_t d;
+ ngx_pool_data_t *d;
size_t max;
ngx_pool_t *current;
ngx_chain_t *chain;
- ngx_pool_large_t *large;
ngx_pool_cleanup_t *cleanup;
ngx_log_t *log;
};
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