Modules compatibility: compatibility with NGX_HAVE_FILE_AIO.

With this change it is now possible to load modules compiled without
the "--with-file-aio" configure option into nginx binary compiled with it,
and vice versa, assuming both use the "--with-compat" option.
This commit is contained in:
Maxim Dounin 2016-10-10 18:44:17 +03:00
parent 19347aabb4
commit 5b968069c9
6 changed files with 7 additions and 11 deletions

View File

@ -72,10 +72,8 @@ typedef struct ngx_output_chain_ctx_s ngx_output_chain_ctx_t;
typedef ngx_int_t (*ngx_output_chain_filter_pt)(void *ctx, ngx_chain_t *in);
#if (NGX_HAVE_FILE_AIO)
typedef void (*ngx_output_chain_aio_pt)(ngx_output_chain_ctx_t *ctx,
ngx_file_t *file);
#endif
struct ngx_output_chain_ctx_s {
ngx_buf_t *buf;
@ -90,9 +88,9 @@ struct ngx_output_chain_ctx_s {
unsigned need_in_temp:1;
unsigned aio:1;
#if (NGX_HAVE_FILE_AIO)
#if (NGX_HAVE_FILE_AIO || NGX_COMPAT)
ngx_output_chain_aio_pt aio_handler;
#if (NGX_HAVE_AIO_SENDFILE)
#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT)
ssize_t (*aio_preload)(ngx_buf_t *file);
#endif
#endif

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@ -182,7 +182,7 @@ struct ngx_connection_s {
unsigned need_last_buf:1;
#if (NGX_HAVE_AIO_SENDFILE)
#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT)
unsigned busy_count:2;
#endif

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@ -30,7 +30,7 @@ struct ngx_file_s {
ngx_thread_task_t *thread_task;
#endif
#if (NGX_HAVE_FILE_AIO)
#if (NGX_HAVE_FILE_AIO || NGX_COMPAT)
ngx_event_aio_t *aio;
#endif

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@ -35,13 +35,13 @@
#define NGX_MODULE_SIGNATURE_2 "0"
#endif
#if (NGX_HAVE_FILE_AIO)
#if (NGX_HAVE_FILE_AIO || NGX_COMPAT)
#define NGX_MODULE_SIGNATURE_3 "1"
#else
#define NGX_MODULE_SIGNATURE_3 "0"
#endif
#if (NGX_HAVE_AIO_SENDFILE)
#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT)
#define NGX_MODULE_SIGNATURE_4 "1"
#else
#define NGX_MODULE_SIGNATURE_4 "0"

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@ -152,7 +152,7 @@ struct ngx_event_aio_s {
ngx_event_handler_pt handler;
ngx_file_t *file;
#if (NGX_HAVE_AIO_SENDFILE)
#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT)
ssize_t (*preload_handler)(ngx_buf_t *file);
#endif

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@ -3760,10 +3760,8 @@ ngx_http_core_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_conf_merge_value(conf->sendfile, prev->sendfile, 0);
ngx_conf_merge_size_value(conf->sendfile_max_chunk,
prev->sendfile_max_chunk, 0);
#if (NGX_HAVE_FILE_AIO || NGX_THREADS)
ngx_conf_merge_value(conf->aio, prev->aio, NGX_HTTP_AIO_OFF);
ngx_conf_merge_value(conf->aio_write, prev->aio_write, 0);
#endif
#if (NGX_THREADS)
ngx_conf_merge_ptr_value(conf->thread_pool, prev->thread_pool, NULL);
ngx_conf_merge_ptr_value(conf->thread_pool_value, prev->thread_pool_value,