nginx-0.0.1-2003-10-30-11:51:06 import
diff --git a/src/core/ngx_conf_file.c b/src/core/ngx_conf_file.c
index e9e9315..5818636 100644
--- a/src/core/ngx_conf_file.c
+++ b/src/core/ngx_conf_file.c
@@ -61,7 +61,7 @@
}
ngx_test_null(cf->conf_file->hunk,
- ngx_create_temp_hunk(cf->pool, 1024, 0, 0),
+ ngx_create_temp_hunk(cf->pool, 1024),
NGX_CONF_ERROR);
cf->conf_file->file.fd = fd;
@@ -722,7 +722,7 @@
char *ngx_conf_set_bufs_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
- char *p = conf;
+ char *p = conf;
ngx_str_t *value;
ngx_bufs_t *bufs;
@@ -749,6 +749,51 @@
}
+char *ngx_conf_set_bitmask_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+ char *p = conf;
+
+ int *np, i, m;
+ ngx_str_t *value;
+ ngx_conf_bitmask_t *mask;
+
+
+ np = (int *) (p + cmd->offset);
+ value = (ngx_str_t *) cf->args->elts;
+ mask = cmd->post;
+
+ for (i = 1; i < cf->args->nelts; i++) {
+ for (m = 0; mask[m].name.len != 0; m++) {
+
+ if (mask[m].name.len != value[i].len
+ && ngx_strcasecmp(mask[m].name.data, value[i].data) != 0)
+ {
+ continue;
+ }
+
+ if (*np & mask[m].mask) {
+ ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
+ "duplicate value \"%s\"", value[i].data);
+
+ } else {
+ *np |= mask[m].mask;
+ }
+
+ break;
+ }
+
+ if (mask[m].name.len == 0) {
+ ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
+ "invalid value \"%s\"", value[i].data);
+
+ return NGX_CONF_ERROR;
+ }
+ }
+
+ return NGX_CONF_OK;
+}
+
+
char *ngx_conf_unsupported(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
return "unsupported on this platform";
diff --git a/src/core/ngx_conf_file.h b/src/core/ngx_conf_file.h
index c132d07..4bf6747 100644
--- a/src/core/ngx_conf_file.h
+++ b/src/core/ngx_conf_file.h
@@ -150,6 +150,12 @@
} ngx_conf_num_bounds_t;
+typedef struct {
+ ngx_str_t name;
+ int mask;
+} ngx_conf_bitmask_t;
+
+
char *ngx_conf_check_num_bounds(ngx_conf_t *cf, void *post, void *data);
@@ -214,6 +220,11 @@
} \
}
+#define ngx_conf_merge_bitmask_value(conf, prev, default) \
+ if (conf == 0) { \
+ conf = (prev == 0) ? default : prev; \
+ }
+
#define addressof(addr) ((int) &addr)
@@ -233,6 +244,7 @@
char *ngx_conf_set_msec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
char *ngx_conf_set_time_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
char *ngx_conf_set_bufs_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
+char *ngx_conf_set_bitmask_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
char *ngx_conf_set_core_flag_slot(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
diff --git a/src/core/ngx_hunk.c b/src/core/ngx_hunk.c
index d69c0df..3799cef 100644
--- a/src/core/ngx_hunk.c
+++ b/src/core/ngx_hunk.c
@@ -3,19 +3,21 @@
#include <ngx_core.h>
-ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size,
- int before, int after)
+ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size)
{
ngx_hunk_t *h;
- ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
+ ngx_test_null(h, ngx_alloc_hunk(pool), NULL);
- ngx_test_null(h->pre_start, ngx_palloc(pool, size + before + after), NULL);
+ ngx_test_null(h->start, ngx_palloc(pool, size), NULL);
- h->start = h->pos = h->last = h->pre_start + before;
- h->file_pos = h->file_last = 0;
+ h->pos = h->start;
+ h->last = h->start;
+
+ h->file_pos = 0;
+ h->file_last = 0;
+
h->end = h->last + size;
- h->post_end = h->end + after;
h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
h->file = NULL;
@@ -68,80 +70,6 @@
}
-ngx_hunk_t *ngx_create_hunk_before(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
-{
- ngx_hunk_t *h;
-
- ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
-
- if (hunk->type & NGX_HUNK_TEMP && hunk->pos - hunk->pre_start >= size) {
- /* keep hunk->start unchanged - used in restore */
- h->pre_start = hunk->pre_start;
- h->end = h->post_end = hunk->pre_start = hunk->pos;
- h->start = h->pos = h->last = h->end - size;
- h->file_pos = h->file_last = 0;
-
- h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
- h->file = NULL;
- h->shadow = NULL;
-
- h->tag = 0;
-
- } else {
- ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL);
- h->start = h->pos = h->last = h->pre_start;
- h->end = h->post_end = h->start + size;
- h->file_pos = h->file_last = 0;
-
- h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
- h->file = NULL;
- h->shadow = NULL;
-
- h->tag = 0;
- }
-
- return h;
-}
-
-
-ngx_hunk_t *ngx_create_hunk_after(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
-{
- ngx_hunk_t *h;
-
- ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
-
- if (hunk->type & NGX_HUNK_TEMP
- && hunk->last == hunk->end
- && hunk->post_end - hunk->end >= size)
- {
- h->post_end = hunk->post_end;
- h->pre_start = h->start = h->pos = h->last = hunk->post_end =
- hunk->last;
- h->file_pos = h->file_last = 0;
-
- h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
- h->file = NULL;
- h->shadow = NULL;
-
- h->tag = 0;
-
- } else {
- ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL);
- h->start = h->pos = h->last = h->pre_start;
- h->end = h->post_end = h->start + size;
- h->file_pos = h->file_last = 0;
-
- h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
- h->file = NULL;
- h->shadow = NULL;
-
- h->tag = 0;
- }
-
- return h;
-}
-
-
int ngx_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain, ngx_chain_t *in)
{
ngx_chain_t *cl, **ll;
diff --git a/src/core/ngx_hunk.h b/src/core/ngx_hunk.h
index 82c5cc6..3de78aa 100644
--- a/src/core/ngx_hunk.h
+++ b/src/core/ngx_hunk.h
@@ -50,8 +50,6 @@
int type;
char *start; /* start of hunk */
char *end; /* end of hunk */
- char *pre_start; /* start of pre-allocated hunk */
- char *post_end; /* end of post-allocated hunk */
ngx_hunk_tag_t tag;
ngx_file_t *file;
ngx_hunk_t *shadow;
@@ -100,7 +98,7 @@
ngx_chain_t **last;
ngx_connection_t *connection;
ngx_pool_t *pool;
-} ngx_chain_write_ctx_t;
+} ngx_chain_writer_ctx_t;
#define NGX_CHAIN_ERROR (ngx_chain_t *) NGX_ERROR
@@ -123,8 +121,7 @@
(size_t) (h->file_last - h->file_pos))
-ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size,
- int before, int after);
+ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size);
#define ngx_alloc_hunk(pool) ngx_palloc(pool, sizeof(ngx_hunk_t))
#define ngx_calloc_hunk(pool) ngx_pcalloc(pool, sizeof(ngx_hunk_t))
@@ -151,7 +148,7 @@
int ngx_output_chain(ngx_output_chain_ctx_t *ctx, ngx_chain_t *in);
-int ngx_chain_write(void *data, ngx_chain_t *in);
+int ngx_chain_writer(void *data, ngx_chain_t *in);
int ngx_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain, ngx_chain_t *in);
void ngx_chain_update_chains(ngx_chain_t **free, ngx_chain_t **busy,
diff --git a/src/core/ngx_output_chain.c b/src/core/ngx_output_chain.c
index 4ab9b96..b50cf90 100644
--- a/src/core/ngx_output_chain.c
+++ b/src/core/ngx_output_chain.c
@@ -108,7 +108,7 @@
}
ngx_test_null(ctx->hunk,
- ngx_create_temp_hunk(ctx->pool, size, 0, 0),
+ ngx_create_temp_hunk(ctx->pool, size),
NGX_ERROR);
ctx->hunk->tag = ctx->tag;
ctx->hunk->type |= NGX_HUNK_RECYCLED;
@@ -253,9 +253,9 @@
}
-int ngx_chain_write(void *data, ngx_chain_t *in)
+int ngx_chain_writer(void *data, ngx_chain_t *in)
{
- ngx_chain_write_ctx_t *ctx = data;
+ ngx_chain_writer_ctx_t *ctx = data;
ngx_chain_t *cl;
diff --git a/src/event/modules/ngx_kqueue_module.c b/src/event/modules/ngx_kqueue_module.c
index 6f6ed62..26e109b 100644
--- a/src/event/modules/ngx_kqueue_module.c
+++ b/src/event/modules/ngx_kqueue_module.c
@@ -437,8 +437,8 @@
break;
case EVFILT_AIO:
- ev->aio_complete = 1;
- ev->active = 0;
+ ev->complete = 1;
+ ev->ready = 1;
ev->event_handler(ev);
diff --git a/src/event/ngx_event.h b/src/event/ngx_event.h
index 1e5a63a..629e83d 100644
--- a/src/event/ngx_event.h
+++ b/src/event/ngx_event.h
@@ -61,18 +61,15 @@
/*
* the event was passed or would be passed to a kernel;
- * aio mode: 1 - the posted aio operation,
- * 0 - the complete aio operation or no aio operation.
+ * in aio mode - operation was posted.
*/
unsigned active:1;
- /*
- * the ready event;
- * in aio mode "ready" is always set - it makes things simple
- * to learn whether the aio operation complete use aio_complete flag
- */
+ /* the ready event; in aio mode 0 means that no operation can be posted */
unsigned ready:1;
- unsigned aio_complete:1;
+
+ /* aio operation is complete */
+ unsigned complete:1;
unsigned eof:1;
unsigned error:1;
@@ -89,12 +86,20 @@
unsigned deferred_accept:1;
+ /* TODO: aio_eof and kq_eof can be the single pending_eof */
+ /* the pending eof in aio chain operation */
+ unsigned aio_eof:1;
+
+ /* the pending eof reported by kqueue */
+ unsigned kq_eof:1;
+
#if (WIN32)
+ /* setsockopt(SO_UPDATE_ACCEPT_CONTEXT) was succesfull */
unsigned accept_context_updated:1;
#endif
#if (HAVE_KQUEUE)
- unsigned kq_eof:1;
+ /* the pending errno reported by kqueue */
int kq_errno;
#endif
diff --git a/src/event/ngx_event_acceptex.c b/src/event/ngx_event_acceptex.c
index 8fd978e..c737434 100644
--- a/src/event/ngx_event_acceptex.c
+++ b/src/event/ngx_event_acceptex.c
@@ -120,6 +120,9 @@
wev->write = 1;
rev->event_handler = ngx_event_acceptex;
+ rev->ready = 1;
+ wev->ready = 1;
+
ngx_test_null(c->pool,
ngx_create_pool(ls->pool_size, ls->log),
NGX_ERROR);
@@ -127,8 +130,7 @@
ngx_test_null(c->buffer,
ngx_create_temp_hunk(c->pool,
ls->post_accept_buffer_size
- + 2 * (c->listening->socklen + 16),
- 0, 0),
+ + 2 * (c->listening->socklen + 16)),
NGX_ERROR);
ngx_test_null(c->local_sockaddr, ngx_palloc(c->pool, ls->socklen),
diff --git a/src/event/ngx_event_connect.c b/src/event/ngx_event_connect.c
index d47c542..c697c1b 100644
--- a/src/event/ngx_event_connect.c
+++ b/src/event/ngx_event_connect.c
@@ -204,12 +204,13 @@
if (ngx_event_flags & NGX_USE_AIO_EVENT) {
/* aio, iocp */
- rev->ready = 1;
#if 1
/* TODO: NGX_EINPROGRESS */
+ rev->ready = 1;
wev->ready = 1;
+
return NGX_OK;
#endif
}
diff --git a/src/event/ngx_event_pipe.c b/src/event/ngx_event_pipe.c
index d9f9abc..387d8b8 100644
--- a/src/event/ngx_event_pipe.c
+++ b/src/event/ngx_event_pipe.c
@@ -101,71 +101,52 @@
} else {
-#if (HAVE_KQUEUE)
-
/*
* kqueue notifies about the end of file or a pending error.
* This test allows not to allocate a hunk on these conditions
* and not to call ngx_recv_chain().
*/
- if (ngx_event_flags == NGX_HAVE_KQUEUE_EVENT) {
+ if (p->upstream->read->available == 0
+ && (p->upstream->read->kq_eof || p->upstream->read->aio_eof))
+ {
+ p->upstream->read->ready = 0;
+ p->upstream->read->eof = 0;
+ p->upstream_eof = 1;
+ p->read = 1;
- if (p->upstream->read->available == 0) {
- if (p->upstream->read->kq_eof) {
- p->upstream->read->ready = 0;
- p->upstream->read->eof = 0;
- p->upstream_eof = 1;
- p->read = 1;
-
- if (p->upstream->read->kq_errno) {
- p->upstream->read->error = 1;
- p->upstream_error = 1;
- p->upstream_eof = 0;
-
- ngx_log_error(NGX_LOG_ERR, p->log,
- p->upstream->read->kq_errno,
- "readv() failed");
- }
-
- break;
- }
- }
-
-#if 0
+#if (HAVE_KQUEUE)
if (p->upstream->read->kq_errno) {
+ p->upstream->read->error = 1;
+ p->upstream_error = 1;
+ p->upstream_eof = 0;
+
ngx_log_error(NGX_LOG_ERR, p->log,
p->upstream->read->kq_errno,
"readv() failed");
- p->upstream_error = 1;
-
- break;
-
- } else if (p->upstream->read->kq_eof
- && p->upstream->read->available == 0) {
- p->upstream_eof = 1;
- p->read = 1;
-
- break;
}
#endif
+ break;
}
-#endif
if (p->free_raw_hunks) {
/* use the free hunks if they exist */
chain = p->free_raw_hunks;
- p->free_raw_hunks = NULL;
+ if (p->single_buf) {
+ p->free_raw_hunks = p->free_raw_hunks->next;
+ chain->next = NULL;
+ } else {
+ p->free_raw_hunks = NULL;
+ }
} else if (p->hunks < p->bufs.num) {
/* allocate a new hunk if it's still allowed */
- ngx_test_null(h, ngx_create_temp_hunk(p->pool,
- p->bufs.size, 0, 0),
+ ngx_test_null(h, ngx_create_temp_hunk(p->pool, p->bufs.size),
NGX_ABORT);
p->hunks++;
@@ -214,7 +195,12 @@
}
chain = p->free_raw_hunks;
- p->free_raw_hunks = NULL;
+ if (p->single_buf) {
+ p->free_raw_hunks = p->free_raw_hunks->next;
+ chain->next = NULL;
+ } else {
+ p->free_raw_hunks = NULL;
+ }
} else {
@@ -229,6 +215,9 @@
ngx_log_debug(p->log, "recv_chain: %d" _ n);
+ if (p->free_raw_hunks) {
+ chain->next = p->free_raw_hunks;
+ }
p->free_raw_hunks = chain;
if (n == NGX_ERROR) {
@@ -237,6 +226,10 @@
}
if (n == NGX_AGAIN) {
+ if (p->single_buf) {
+ ngx_event_pipe_remove_shadow_links(chain->hunk);
+ }
+
break;
}
@@ -283,8 +276,11 @@
return NGX_ABORT;
}
- /* TODO: p->free_raw_hunk->next can be free()ed */
p->free_raw_hunks = p->free_raw_hunks->next;
+
+ for (cl = p->free_raw_hunks; cl; cl = cl->next) {
+ ngx_pfree(p->pool, cl->hunk->start);
+ }
}
if (p->cachable && p->in) {
diff --git a/src/event/ngx_event_pipe.h b/src/event/ngx_event_pipe.h
index f59b60e..fc68cc6 100644
--- a/src/event/ngx_event_pipe.h
+++ b/src/event/ngx_event_pipe.h
@@ -38,6 +38,7 @@
unsigned read:1;
unsigned cachable:1;
+ unsigned single_buf:1;
unsigned upstream_done:1;
unsigned upstream_error:1;
unsigned upstream_eof:1;
diff --git a/src/http/modules/ngx_http_gzip_filter.c b/src/http/modules/ngx_http_gzip_filter.c
index 9fff90d..5a091b4 100644
--- a/src/http/modules/ngx_http_gzip_filter.c
+++ b/src/http/modules/ngx_http_gzip_filter.c
@@ -190,9 +190,9 @@
sizeof(ngx_http_gzip_ctx_t), NGX_ERROR);
ctx->request = r;
- if (!(r->headers_out.content_encoding =
- ngx_http_add_header(&r->headers_out, ngx_http_headers_out)))
- {
+ r->headers_out.content_encoding =
+ ngx_http_add_header(&r->headers_out, ngx_http_headers_out);
+ if (r->headers_out.content_encoding == NULL) {
return NGX_ERROR;
}
@@ -222,9 +222,7 @@
ngx_http_gzip_ctx_t *ctx;
ngx_http_gzip_conf_t *conf;
- ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module);
-
- if (ctx == NULL) {
+ if (!(ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module))) {
return ngx_http_next_body_filter(r, in);
}
@@ -344,9 +342,8 @@
} else if (ctx->hunks < conf->bufs.num) {
ngx_test_null(ctx->out_hunk,
- ngx_create_temp_hunk(r->pool, conf->bufs.size,
- 0, 0),
- ngx_http_gzip_error(ctx));
+ ngx_create_temp_hunk(r->pool, conf->bufs.size),
+ ngx_http_gzip_error(ctx));
ctx->out_hunk->tag = (ngx_hunk_tag_t)
&ngx_http_gzip_filter_module;
ctx->out_hunk->type |= NGX_HUNK_RECYCLED;
@@ -429,7 +426,7 @@
} else {
ngx_test_null(h,
- ngx_create_temp_hunk(r->pool, 8, 0, 0),
+ ngx_create_temp_hunk(r->pool, 8),
ngx_http_gzip_error(ctx));
h->type |= NGX_HUNK_LAST;
diff --git a/src/http/modules/proxy/ngx_http_proxy_handler.c b/src/http/modules/proxy/ngx_http_proxy_handler.c
index c9caaa7..053b7b5 100644
--- a/src/http/modules/proxy/ngx_http_proxy_handler.c
+++ b/src/http/modules/proxy/ngx_http_proxy_handler.c
@@ -38,86 +38,101 @@
ngx_http_proxy_upstream_t *u);
-static ngx_command_t ngx_http_proxy_commands[] = {
+static ngx_conf_bitmask_t next_upstream_masks[] = {
+ { ngx_string("error"), NGX_HTTP_PROXY_FT_ERROR },
+ { ngx_string("timeout"), NGX_HTTP_PROXY_FT_TIMEOUT },
+ { ngx_string("http_header"), NGX_HTTP_PROXY_FT_HTTP_HEADER },
+ { ngx_string("http_500"), NGX_HTTP_PROXY_FT_HTTP_500 },
+ { ngx_null_string, 0 }
+};
- {ngx_string("proxy_pass"),
- NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
- ngx_http_proxy_set_pass,
- NGX_HTTP_LOC_CONF_OFFSET,
- 0,
- NULL},
+static ngx_command_t ngx_http_proxy_commands[] = {
- {ngx_string("proxy_request_buffer_size"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
- ngx_conf_set_size_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, request_buffer_size),
- NULL},
+ { ngx_string("proxy_pass"),
+ NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_http_proxy_set_pass,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ 0,
+ NULL },
- {ngx_string("proxy_connect_timeout"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
- ngx_conf_set_msec_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, connect_timeout),
- NULL},
+ { ngx_string("proxy_request_buffer_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, request_buffer_size),
+ NULL },
- {ngx_string("proxy_send_timeout"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
- ngx_conf_set_msec_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, send_timeout),
- NULL},
+ { ngx_string("proxy_connect_timeout"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_msec_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, connect_timeout),
+ NULL },
- {ngx_string("proxy_header_buffer_size"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
- ngx_conf_set_size_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, header_buffer_size),
- NULL},
+ { ngx_string("proxy_send_timeout"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_msec_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, send_timeout),
+ NULL },
- {ngx_string("proxy_read_timeout"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
- ngx_conf_set_msec_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, read_timeout),
- NULL},
+ { ngx_string("proxy_header_buffer_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, header_buffer_size),
+ NULL },
- {ngx_string("proxy_buffers"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
- ngx_conf_set_bufs_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, bufs),
- NULL},
+ { ngx_string("proxy_read_timeout"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_msec_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, read_timeout),
+ NULL },
- {ngx_string("proxy_busy_buffers_size"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
- ngx_conf_set_size_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, busy_buffers_size),
- NULL},
+ { ngx_string("proxy_buffers"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
+ ngx_conf_set_bufs_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, bufs),
+ NULL },
- {ngx_string("proxy_temp_path"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
- ngx_conf_set_path_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, temp_path),
- NULL},
+ { ngx_string("proxy_busy_buffers_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, busy_buffers_size),
+ NULL },
- {ngx_string("proxy_temp_file_write_size"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
- ngx_conf_set_size_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, temp_file_write_size),
- NULL},
+ { ngx_string("proxy_temp_path"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
+ ngx_conf_set_path_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, temp_path),
+ NULL },
- {ngx_string("proxy_pass_server"),
- NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
- ngx_conf_set_flag_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_proxy_loc_conf_t, pass_server),
- NULL},
+ { ngx_string("proxy_temp_file_write_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, temp_file_write_size),
+ NULL },
- ngx_null_command
+ { ngx_string("proxy_pass_server"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, pass_server),
+ NULL },
+
+ { ngx_string("proxy_next_upstream"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
+ ngx_conf_set_bitmask_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, next_upstream),
+ &next_upstream_masks },
+
+ ngx_null_command
};
@@ -231,8 +246,8 @@
ngx_chain_t *cl;
ngx_http_request_t *r;
- ngx_output_chain_ctx_t *out_ctx;
- ngx_chain_write_ctx_t *write_ctx;
+ ngx_output_chain_ctx_t *octx;
+ ngx_chain_writer_ctx_t *wctx;
r = p->request;
@@ -262,38 +277,38 @@
r->connection->log->handler = ngx_http_proxy_log_error;
p->action = "connecting to upstream";
- out_ctx = ngx_pcalloc(r->pool, sizeof(ngx_output_chain_ctx_t));
- if (out_ctx == NULL) {
+ octx = ngx_pcalloc(r->pool, sizeof(ngx_output_chain_ctx_t));
+ if (octx == NULL) {
ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
return;
}
- p->output_chain_ctx = out_ctx;
+ p->output_chain_ctx = octx;
if (r->request_body_hunk) {
- out_ctx->free = ngx_alloc_chain_link(r->pool);
- if (out_ctx->free == NULL) {
+ octx->free = ngx_alloc_chain_link(r->pool);
+ if (octx->free == NULL) {
ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
}
- out_ctx->free->hunk = r->request_body_hunk;
- out_ctx->free->next = NULL;
+ octx->free->hunk = r->request_body_hunk;
+ octx->free->next = NULL;
}
- out_ctx->sendfile = r->sendfile;
- out_ctx->pool = r->pool;
- out_ctx->bufs.num = 1;
- out_ctx->tag = (ngx_hunk_tag_t) &ngx_http_proxy_module;
- out_ctx->output_filter = (ngx_output_chain_filter_pt) ngx_chain_write;
+ octx->sendfile = r->sendfile;
+ octx->pool = r->pool;
+ octx->bufs.num = 1;
+ octx->tag = (ngx_hunk_tag_t) &ngx_http_proxy_module;
+ octx->output_filter = (ngx_output_chain_filter_pt) ngx_chain_writer;
- write_ctx = ngx_pcalloc(r->pool, sizeof(ngx_chain_write_ctx_t));
- if (write_ctx == NULL) {
+ wctx = ngx_pcalloc(r->pool, sizeof(ngx_chain_writer_ctx_t));
+ if (wctx == NULL) {
ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
return;
}
- out_ctx->output_ctx = write_ctx;
- write_ctx->pool = r->pool;
- write_ctx->last = &write_ctx->out;
+ octx->output_ctx = wctx;
+ wctx->pool = r->pool;
+ wctx->last = &wctx->out;
ngx_http_proxy_send_request(p);
}
@@ -339,7 +354,7 @@
/* STUB */ len++;
- ngx_test_null(h, ngx_create_temp_hunk(r->pool, len, 0, 0), NULL);
+ ngx_test_null(h, ngx_create_temp_hunk(r->pool, len), NULL);
ngx_alloc_link_and_set_hunk(chain, h, r->pool, NULL);
@@ -439,7 +454,7 @@
int rc;
ngx_chain_t *cl;
ngx_connection_t *c;
- ngx_chain_write_ctx_t *ctx;
+ ngx_chain_writer_ctx_t *wctx;
c = p->upstream.connection;
@@ -447,8 +462,8 @@
if (c) {
p->action = "sending request to upstream";
- ctx = p->output_chain_ctx->output_ctx;
- ctx->connection = c;
+ wctx = p->output_chain_ctx->output_ctx;
+ wctx->connection = c;
rc = ngx_output_chain(p->output_chain_ctx,
!p->request_sent ? p->request->request_hunks:
NULL);
@@ -504,6 +519,20 @@
ngx_event_connect_peer_failed(&p->upstream);
ngx_http_proxy_close_connection(c);
+
+ if (p->upstream.tries == 0
+ || !(p->lcf->next_upstream & NGX_HTTP_PROXY_FT_ERROR))
+ {
+ ngx_http_proxy_finalize_request(p,
+ p->timedout ? NGX_HTTP_GATEWAY_TIME_OUT:
+ NGX_HTTP_BAD_GATEWAY);
+ return;
+ }
+
+ if (!p->fatal_error) {
+ ngx_http_proxy_send_request(p);
+ return;
+ }
}
for ( ;; ) {
@@ -586,8 +615,7 @@
if (p->header_in == NULL) {
p->header_in = ngx_create_temp_hunk(p->request->pool,
- p->lcf->header_buffer_size,
- 0, 0);
+ p->lcf->header_buffer_size);
if (p->header_in == NULL) {
ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
return;
@@ -746,8 +774,8 @@
}
}
- ngx_log_debug(c->log, "HTTP proxy header: %08X '%s: %s'" _
- h _ h->key.data _ h->value.data);
+ ngx_log_debug(c->log, "HTTP proxy header: '%s: %s'" _
+ h->key.data _ h->value.data);
continue;
@@ -952,6 +980,12 @@
ep->preread_size = p->header_in->last - p->header_in->pos;
+ if (ngx_event_flags & NGX_USE_AIO_EVENT) {
+
+ /* the posted aio operation can currupt shadow buf */
+ ep->single_buf = 1;
+ }
+
/*
* event_pipe would do p->header_in->last += ep->preread_size
* as though these bytes were read.
@@ -1405,6 +1439,8 @@
conf->path = NULL;
+ conf->next_upstream = 0;
+
conf->upstreams = NULL;
conf->peers = NULL;
@@ -1428,8 +1464,6 @@
/* "proxy_cyclic_temp_file" is disabled */
conf->cyclic_temp_file = 0;
- conf->next_upstream = NGX_CONF_UNSET;
-
conf->pass_server = NGX_CONF_UNSET;
return conf;
@@ -1464,8 +1498,8 @@
ngx_conf_merge_size_value(conf->temp_file_write_size,
prev->temp_file_write_size, 16384);
- ngx_conf_merge_value(conf->next_upstream, prev->next_upstream,
- (NGX_HTTP_PROXY_FT_ERROR|NGX_HTTP_PROXY_FT_TIMEOUT));
+ ngx_conf_merge_bitmask_value(conf->next_upstream, prev->next_upstream,
+ (NGX_HTTP_PROXY_FT_ERROR|NGX_HTTP_PROXY_FT_TIMEOUT));
ngx_conf_merge_path_value(conf->temp_path, prev->temp_path,
"temp", 1, 2, 0, cf->pool);
diff --git a/src/http/ngx_http_header_filter.c b/src/http/ngx_http_header_filter.c
index fe97d29..f85bd45 100644
--- a/src/http/ngx_http_header_filter.c
+++ b/src/http/ngx_http_header_filter.c
@@ -210,7 +210,7 @@
len += header[i].key.len + 2 + header[i].value.len + 2;
}
- ngx_test_null(h, ngx_create_temp_hunk(r->pool, len, 0, 0), NGX_ERROR);
+ ngx_test_null(h, ngx_create_temp_hunk(r->pool, len), NGX_ERROR);
/* "HTTP/1.x " */
h->last = ngx_cpymem(h->last, "HTTP/1.1 ", sizeof("HTTP/1.x ") - 1);
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index be38358..36fac03 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -68,8 +68,7 @@
return;
}
- lctx = ngx_pcalloc(c->pool, sizeof(ngx_http_log_ctx_t));
- if (lctx == NULL) {
+ if (!(lctx = ngx_pcalloc(c->pool, sizeof(ngx_http_log_ctx_t)))) {
ngx_http_close_connection(c);
return;
}
@@ -133,8 +132,7 @@
ngx_memzero(r, sizeof(ngx_http_request_t));
} else {
- r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t));
- if (r == NULL) {
+ if (!(r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t)))) {
ngx_http_close_connection(c);
return;
}
@@ -212,23 +210,20 @@
c->log->log_level = clcf->err_log->log_level;
if (c->buffer == NULL) {
- c->buffer = ngx_create_temp_hunk(c->pool,
- cscf->client_header_buffer_size,
- 0, 0);
+ c->buffer =
+ ngx_create_temp_hunk(c->pool, cscf->client_header_buffer_size);
if (c->buffer == NULL) {
ngx_http_close_connection(c);
return;
}
}
- r->pool = ngx_create_pool(cscf->request_pool_size, c->log);
- if (r->pool == NULL) {
+ if (!(r->pool = ngx_create_pool(cscf->request_pool_size, c->log))) {
ngx_http_close_connection(c);
return;
}
- r->headers_out.headers = ngx_create_table(r->pool, 20);
- if (r->headers_out.headers == NULL) {
+ if (!(r->headers_out.headers = ngx_create_table(r->pool, 20))) {
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_http_close_connection(c);
return;
@@ -290,7 +285,7 @@
/* the request line has been parsed successfully */
- /* STUB: we need to handle such URIs */
+ /* TODO: we need to handle such URIs */
if (r->complex_uri || r->unusual_uri) {
r->request_line.len = r->request_end - r->request_start;
r->request_line.data = r->request_start;
@@ -323,8 +318,7 @@
r->uri.len = r->uri_end - r->uri_start;
}
- r->uri.data = ngx_palloc(r->pool, r->uri.len + 1);
- if (r->uri.data == NULL) {
+ if (!(r->uri.data = ngx_palloc(r->pool, r->uri.len + 1))) {
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_http_close_connection(c);
return;
@@ -378,8 +372,7 @@
r->exten.len = r->uri_end - r->uri_ext;
}
- r->exten.data = ngx_palloc(r->pool, r->exten.len + 1);
- if (r->exten.data == NULL) {
+ if (!(r->exten.data = ngx_palloc(r->pool, r->exten.len + 1))) {
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_http_close_connection(c);
return;
@@ -393,8 +386,7 @@
if (r->args_start && r->uri_end > r->args_start) {
r->args.len = r->uri_end - r->args_start;
- r->args.data = ngx_palloc(r->pool, r->args.len + 1);
- if (r->args.data == NULL) {
+ if (!(r->args.data = ngx_palloc(r->pool, r->args.len + 1))) {
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_http_close_connection(c);
return;
@@ -531,8 +523,8 @@
/* a header line has been parsed successfully */
- if (!(h = ngx_http_add_header(&r->headers_in, ngx_http_headers_in)))
- {
+ h = ngx_http_add_header(&r->headers_in, ngx_http_headers_in);
+ if (h == NULL) {
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_http_close_connection(c);
return;
diff --git a/src/http/ngx_http_request_body.c b/src/http/ngx_http_request_body.c
index 19730e7..eb82af0 100644
--- a/src/http/ngx_http_request_body.c
+++ b/src/http/ngx_http_request_body.c
@@ -47,8 +47,7 @@
size = request_buffer_size;
}
- ngx_test_null(r->request_body_hunk,
- ngx_create_temp_hunk(r->pool, size, 0, 0),
+ ngx_test_null(r->request_body_hunk, ngx_create_temp_hunk(r->pool, size),
NGX_HTTP_INTERNAL_SERVER_ERROR);
r->connection->read->event_handler =
diff --git a/src/http/ngx_http_write_filter.c b/src/http/ngx_http_write_filter.c
index b7cb16c..143f38c 100644
--- a/src/http/ngx_http_write_filter.c
+++ b/src/http/ngx_http_write_filter.c
@@ -21,16 +21,16 @@
static int ngx_http_write_filter_init(ngx_cycle_t *cycle);
-static ngx_command_t ngx_http_write_filter_commands[] = {
+static ngx_command_t ngx_http_write_filter_commands[] = {
- {ngx_string("buffer_output"),
- NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
- ngx_conf_set_size_slot,
- NGX_HTTP_LOC_CONF_OFFSET,
- offsetof(ngx_http_write_filter_conf_t, buffer_output),
- NULL},
+ { ngx_string("buffer_output"),
+ NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_write_filter_conf_t, buffer_output),
+ NULL },
- ngx_null_command
+ ngx_null_command
};
diff --git a/src/os/unix/ngx_aio_read.c b/src/os/unix/ngx_aio_read.c
index cb498eb..28deac6 100644
--- a/src/os/unix/ngx_aio_read.c
+++ b/src/os/unix/ngx_aio_read.c
@@ -24,12 +24,15 @@
rev = c->read;
- if (rev->active) {
+ if (!rev->ready) {
ngx_log_error(NGX_LOG_ALERT, rev->log, 0, "SECOND AIO POST");
return NGX_AGAIN;
}
- if (!rev->aio_complete) {
+ ngx_log_debug(rev->log, "rev->complete: %d" _ rev->complete);
+ ngx_log_debug(rev->log, "aio size: %d" _ size);
+
+ if (!rev->complete) {
ngx_memzero(&rev->aiocb, sizeof(struct aiocb));
rev->aiocb.aio_fildes = c->fd;
@@ -49,12 +52,13 @@
return NGX_ERROR;
}
- ngx_log_debug(rev->log, "aio_read: OK");
+ ngx_log_debug(rev->log, "aio_read: #%d OK" _ c->fd);
rev->active = 1;
+ rev->ready = 0;
}
- rev->aio_complete = 0;
+ rev->complete = 0;
n = aio_error(&rev->aiocb);
if (n == -1) {
@@ -65,15 +69,17 @@
if (n != 0) {
if (n == NGX_EINPROGRESS) {
- if (!rev->active) {
+ if (rev->ready) {
ngx_log_error(NGX_LOG_ALERT, rev->log, n,
"aio_read() still in progress");
+ rev->ready = 0;
}
return NGX_AGAIN;
}
ngx_log_error(NGX_LOG_CRIT, rev->log, n, "aio_read() failed");
rev->error = 1;
+ rev->ready = 0;
return NGX_ERROR;
}
@@ -83,16 +89,20 @@
"aio_return() failed");
rev->error = 1;
+ rev->ready = 0;
return NGX_ERROR;
}
- rev->active = 0;
-
- ngx_log_debug(rev->log, "aio_read: %d" _ n);
+ ngx_log_debug(rev->log, "aio_read: #%d %d" _ c->fd _ n);
if (n == 0) {
rev->eof = 1;
+ rev->ready = 0;
+ } else {
+ rev->ready = 1;
}
+ rev->active = 0;
+
return n;
}
diff --git a/src/os/unix/ngx_aio_read_chain.c b/src/os/unix/ngx_aio_read_chain.c
index 31f7c85..9af48dd 100644
--- a/src/os/unix/ngx_aio_read_chain.c
+++ b/src/os/unix/ngx_aio_read_chain.c
@@ -12,25 +12,30 @@
size_t size, total;
ngx_err_t err;
+ if (c->read->aio_eof) {
+ c->read->ready = 0;
+ return 0;
+ }
+
total = 0;
while (cl) {
/* we can post the single aio operation only */
- if (c->read->active) {
+ if (!c->read->ready) {
return total ? total : NGX_AGAIN;
}
- buf = cl->hunk->pos;
- prev = buf;
+ buf = cl->hunk->last;
+ prev = cl->hunk->last;
size = 0;
/* coalesce the neighbouring hunks */
- while (cl && prev == cl->hunk->pos) {
- size += cl->hunk->last - cl->hunk->pos;
- prev = cl->hunk->last;
+ while (cl && prev == cl->hunk->last) {
+ size += cl->hunk->end - cl->hunk->last;
+ prev = cl->hunk->end;
cl = cl->next;
}
@@ -46,6 +51,15 @@
return NGX_ERROR;
}
+ if (n == 0) {
+ c->read->aio_eof = 1;
+ if (total) {
+ c->read->eof = 0;
+ c->read->ready = 1;
+ }
+ return total;
+ }
+
if (n > 0) {
total += n;
}
diff --git a/src/os/unix/ngx_aio_write.c b/src/os/unix/ngx_aio_write.c
index dcdecc5..dc2c876 100644
--- a/src/os/unix/ngx_aio_write.c
+++ b/src/os/unix/ngx_aio_write.c
@@ -24,13 +24,13 @@
wev = c->write;
- if (wev->active) {
+ if (!wev->ready) {
return NGX_AGAIN;
}
-ngx_log_debug(wev->log, "aio: wev->aio_complete: %d" _ wev->aio_complete);
+ngx_log_debug(wev->log, "aio: wev->complete: %d" _ wev->complete);
- if (!wev->aio_complete) {
+ if (!wev->complete) {
ngx_memzero(&wev->aiocb, sizeof(struct aiocb));
wev->aiocb.aio_fildes = c->fd;
@@ -52,9 +52,10 @@
ngx_log_debug(wev->log, "aio_write: OK");
wev->active = 1;
+ wev->ready = 0;
}
- wev->aio_complete = 0;
+ wev->complete = 0;
n = aio_error(&wev->aiocb);
if (n == -1) {
@@ -65,15 +66,28 @@
if (n != 0) {
if (n == NGX_EINPROGRESS) {
- if (!wev->active) {
+ if (wev->ready) {
ngx_log_error(NGX_LOG_ALERT, wev->log, n,
"aio_write() still in progress");
+ wev->ready = 0;
}
return NGX_AGAIN;
}
ngx_log_error(NGX_LOG_CRIT, wev->log, n, "aio_write() failed");
wev->error = 1;
+ wev->ready = 0;
+
+#if 1
+ n = aio_return(&wev->aiocb);
+ if (n == -1) {
+ ngx_log_error(NGX_LOG_ALERT, wev->log, ngx_errno,
+ "aio_return() failed");
+ }
+
+ ngx_log_error(NGX_LOG_CRIT, wev->log, n, "aio_return() %d", n);
+#endif
+
return NGX_ERROR;
}
@@ -83,16 +97,15 @@
"aio_return() failed");
wev->error = 1;
+ wev->ready = 0;
return NGX_ERROR;
}
- wev->active = 0;
ngx_log_debug(wev->log, "aio_write: %d" _ n);
- if (n == 0) {
- wev->eof = 1;
- }
+ wev->active = 0;
+ wev->ready = 1;
return n;
}
diff --git a/src/os/unix/ngx_aio_write_chain.c b/src/os/unix/ngx_aio_write_chain.c
index ba24d80..7315044 100644
--- a/src/os/unix/ngx_aio_write_chain.c
+++ b/src/os/unix/ngx_aio_write_chain.c
@@ -26,7 +26,7 @@
/* we can post the single aio operation only */
- if (c->write->active) {
+ if (!c->write->ready) {
return cl;
}
